iPhone Data Leak Identified?

It’s no secret that I’m an Apple fan.  It’s not an exclusive relationship; I’ve also got a couple of Lenovo systems running Linux at home.  But over the last decade, I’ve purchased multiple iPods, an iMac, a Mac Mini, a MacBook and my current 13” MacBook Pro, iPhone 4 and new iPad.  I’ve spent more of my personal income on Apple hardware over the years than with any other single computer vendor.  For the most part, Apple solutions work well for me in a wide variety of roles, both personal and professional.  Clearly Apple stands to gain from long-term customer relationships like mine.  Unfortunately, despite many positive experiences with Apple, not everything coming out of Cupertino is perfect.

Today’s long story began in mid-June, 2011, when I finally climbed aboard the iPhone bandwagon with the shiny new, white iPhone 4 on AT&T.  The phone shipped with iOS 4.x; there was no reason to note the exact version number at the time, though it was probably 4.2.1.  I set up my various work and personal e-mail addresses, synced my music, and was off and running into the world of iOS apps.  Admittedly I was relatively late to the party.  But I wasn’t the last.  My employer has since all but abandoned BlackBerrys in favor of iPhones, and the BYOD phenomenon is slowly bringing in more iPhones and iPads here as time goes on.  And with them came some strange problems, affecting me perhaps most of all.

During my first year of iPhone use, I twice ran into the following scenario.  For a while everything would be fine.  My iPhone was set to use Wi-Fi both at home and at the office, meaning that I only used 3G cellular data while in transit back and forth, or while out and about, traveling, and the like.  Typically I’d use about 200 MB of 3G data per month, though my plan allowed for 2 GB.  Suddenly I’d notice that my iPhone battery life – previously good from the start of the day to the end – would instead run down before the noon hour regardless of use or lack thereof.  If I handled the phone, it would be warm to the touch.  Finally, when I’d get the cell phone bill, the 3G data use had surged from 200 MB per month up to 2 GB or more, an increase of at least 900% from my norm.  What the heck!?  I talked AT&T into forgiving an overage charge the first time.  I’ve since become a prolific user of the myAT&T app, keeping a close tab on data consumption patterns.
 

Two iPhones compared

The properly-functioning iPhone on the left has gone 25 hours since the last charge and still has 52% battery life remaining. The very same device, when malfunctioning, is down to 5% battery after only 4 hours and 55 minutes since the previous full charge. The one on the right indicates that it’s been in constant use when it really hasn’t.


 
You could say that a significant part of my day job includes troubleshooting technical problems.  Of course this is balanced with a desire to find a scenario that works and move on, rather than exhaustively analyze something with relatively minor monetary or business value.  On the first occurrence of the battery drain + warm to the touch + 3G data explosion, I began closing apps, rebooting the iPhone, etc.  No change.  I did my Google homework, and while many seemed to be in a similar boat, I couldn’t find a solution.  I may have called Apple, but didn’t keep a record of it.  Finally, I wiped the device, set it up as if it were a new iPhone, and began syncing my apps back on, a few per day.  I hoped to discover that a rogue app was the culprit.  Eventually I had all the same apps back on, and the phone performed great for months.  I hoped it was a one-time thing.

Some time after my initial encounter of battery drain + warm + 3G data surge, an IT colleague across the hall from me at work began experiencing the very same thing on her iPhone 4S on Verizon.  Her phone had a connection configured to our corporate Microsoft Exchange e-mail server, but she’d literally made no other customizations.  No Apple ID.  No apps.  Nothing.  In hindsight, this should have been a major clue.  I helped her wipe and reconfigure the device as if it were new, and she was off and running again.  For months, but not forever.

When the scenario returned a second time on my iPhone, I contacted Apple Support on case number 311217544.  (I’ll mention case and follow-up numbers as I go, on the chance that anyone inside Apple ever reviews this post.)  I believe that this contact was on May 1st, 2012.  I didn’t really get anywhere.  As expected, the Support Agent was sure that it was a user problem, and gave me a list of settings to check and suggestions about how to reduce battery drain by hobbling certain functionality.  Having been on the other side of the support desk, I know how easy it is to assume that the customer is using the technology wrong.  How could there be something inherently wrong with the technology?  Apple is perfect.  By the way, I’d long since upgraded to iOS 5.x by this time.

Feeling more certain that there was an inherent but sporadic flaw somewhere in iOS, I wasn’t yet content to just wipe and reload, and go on with a few more months of normal use before the problem reared it’s head again.  I tried reaching out to a couple of Apple employees who listed an e-mail address publicly on their LinkedIn profile.  No response.  I pasted what may have been a long-winded letter into an Apple.com web form, even offering to FedEx them my malfunctioning iPhone for analysis.  I got an e-mail reply follow-up 205549136 indicating that my concern had been documented in case number 311234175.  Eventually I wiped and reloaded my iPhone again, and went on with life.  It’s not like I didn’t have better things to do.

Following Thanksgiving, 2012, I noted that both my iPhone 4 and a recently-acquired new iPad – both now running iOS 6.0.1 – were doing the battery drain + warm to the touch + 3G data slurp again.  And here I’d been hoping that Apple finally got it right with iOS 6.  I finally contacted Apple Support again on case number 383766567.  This time I spent an hour and six minutes on the phone, and was advanced to a person with the title Senior Advisor iOS Tier 2.  Before being escalated, I was advised to turn off cellular data, cut back on location services, and otherwise hobble the iPhone.  After escalation to Tier 2 and sharing my history with this issue, I was advised to wipe and reload each device, and then put my apps back on slowly.  Just as I had the very first time around.  She couldn’t explain why my iPad was using cellular data even when it hadn’t left my apartment and available Wi-Fi in the several days leading up to our conversation.  Based on the advice to put apps back on slowly, she was probably thinking rogue app.  I wiped my devices, set them up as if they were new, synced back all the same apps, set up all the same e-mail accounts and settings, etc.  And they’re once again fine.

As I alluded to several paragraphs ago, my employer uses Microsoft Exchange 2003 for e-mail, calendaring and the like.  While Exchange 2003 may be a little long in the tooth at this point, it does the job, and we’ve been investing our efforts in many line-of-business application enhancements instead.  When we have a new iOS device, we use the Exchange e-mail client native to iOS to connect to our corporate Exchange ActiveSync server.  We then let the end-user manage everything else.  For most of us, a connection to our Exchange environment may be the one thing that we have in common between our iOS devices.

This week our front-end Exchange ActiveSync server became unresponsive.  First it had filled the disk space clear full with large IIS log files in C:\WINDOWS\system32\LogFiles\W3SVC1\, and I quickly cleared all but December’s logs to regain room.  (Normally one should redirect their log files to a drive other than C:\.)  Even after re-gaining quite a few GBs of disk space and rebooting, the server was still intermittently sluggish.  I found myself restarting it two more times, and finally adding additional virtual processors and RAM.  At the same time, I began examining these log files, which were between 40 MB and 100 MB per day.  The logs cover every connection to Exchange Outlook Web Access and ActiveSync.  It’s an understatement to say that there were a lot of connections.  And that’s where I finally caught a break.

Out of thirty-five iOS devices that connected to our corporate Exchange environment that day, five of them (three iPhones and two iPads), were connecting to Exchange every two to three seconds, continuously, twenty-four hours a day, as long as they were powered on.  That’s well past 10,000 individual connections per day for each of those five devices.  To put it another way, this over-connection to Exchange was affecting 14% of our Apple inventory.  If you factor in all the devices that have ever had this problem, it represents over 22% of our Apple iOS inventory.  It bears mentioning that this behavior is not normal, even with Push e-mail enabled, as evidenced by the remaining 77% of our Apple devices that have apparently never done it.

But it gets more interesting.  I found a log from just prior to wiping my iPhone, and it had been connecting to Exchange every two to three seconds on both Wi-Fi and cellular, all day and all night.  No wonder the battery had been running down while the 3G data use had been climbing.  When we surveyed the owners of our five over-communicative iDevices, they all confirmed that their battery life had been awful lately.  One of them was using an iPhone 5 running just-released iOS 6.0.2.  Wiping and reloading the devices has resolved their functional problems too.  And our Exchange server logs confirm it.

So, we’ve narrowed the iPhone battery drain and data leak to a sporadic problem with iOS’s Exchange client as implemented in iOS 4.x, 5.x, 6.0.1 and 6.0.2, on both iPhone and iPad, while connecting to Exchange 2003.  To be fair, we also have one very chatty Android 4.0.4 device in our environment, but nothing quite like the two to three second interval of the handful of runaway iOS devices.  It’s completely possible that Apple’s Exchange client only has problems with certain versions of Exchange, and that some customers may not experience it at all.  Going the other way, it could perhaps affect push e-mail more broadly, and not just Exchange.  The hit-and-miss nature of it is troubling.  At 22% percent of our devices affected at one time or another, this feels akin to a beta-quality experience; not what Apple is trying to sell.

Naturally I provided a summary of my most recent observations to Apple via e-mail, referencing case number 383766567.  I received a call back the next day from our Senior Advisor iOS Tier 2.  At first she asked me to wipe and reload a device, and put back Exchange accounts one at a time, as if to identify a problematic account.  Of course several of our affected users only have a single Exchange account, and wiping the device has historically always resolved the problem for months at a time.  This presents as a problem that, while sporadic, seems inherent to iOS, and manifests itself under an as-yet-unidentified set of potentially common circumstances.  The support agent acknowledged that other companies may be similarly affected, and that they “haven’t put two and two together yet.”  I offered to provide the log files so that Apple wouldn’t have to take my word for it regarding the connection intervals.

I expect to hear from Apple again next week.  While I feel like I’m nearing the end of a 1.5 year odyssey – only to finally be taken seriously – my purpose in publishing this now is not to make anyone wrong.  Rather, I want to share a summary of our iOS Exchange client problem – and the battery drain and 3G data consumption that accompany it – with a wider audience of IT peers, in order to better understand the true scope of the problem.  As I mentioned to our Senior Advisor iOS Tier 2, I’d be thrilled if Apple simply fixed this problem in the next major iOS upgrade, and I never saw it again.  Here’s hoping.  I’ll share any newly-revealed information in a follow-up post.  If you have anything to add to this conversation, please do so below.

[While I added a series of updates and a much easier fix here, and garnered some repeat visitors, I’ve since consolidated these into a second post.]

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Comments

  1. Matt Neuburg says:

    This is lovely, but lots of people are having similar issues and don’t use Microsoft Exchange. You’ve found a smoking gun but not the smoking gun. I wouldn’t be surprised to hear there’s something wrong with Push as a whole, but even that doesn’t get at well-established issues involving streaming media. One way or another, iOS can use a lot of cellular data even when you’re in range of WiFi, and even when you think the device should be doing nothing. The only known solution is to turn cellular data off completely, and that’s something you shouldn’t have to do.

    • Matt,

      Thanks for your comments. I agree that the Exchange client included in iOS may not be the only problem. But even the experiences presented in this post represent progress. iPhones aren’t just draining their batteries while driving up cell phone bills. They’re actually doing something. In several cases, the Exchange client has run amok, communicating non-stop when it shouldn’t. Evidence suggests that it’s happened in iOS 4.x, 5.x, 6.0.1 and 6.0.2. It’s happened on iPhone 4, 4S and 5, as well as multiple generations of iPads. And I’ve observed it on devices running on AT&T and Verizon Wireless, though it’s almost certainly affecting all carriers. Maybe it’s a larger issue; push e-mail, the network stack, etc. The bottom line is that this is an Apple problem. They own it. Only they can solve it. And until they do, they’re wasting the time and money of a statistically significant portion of their customer base. I’d like to believe that they’ll get it right sooner or later, before I and others have to begin recommending that people go elsewhere. Time will tell.

      Regards,
      r.a.parks

  2. Extensive research, indeed. I can talk about this topic for hours given my own battle with it. I hope, as I commented on MS Forum, that by moving to Exchange 2010 in a month, we’ll have seen the last of this issue.

    Cheers
    Venkat

  3. Please see my private message via Reddit.

  4. Thanks for sharing your experience. I’m having the same issue (data leaking while in a wifi area) and I have no idea what to do about it. I don’t really understand the problem or the technical aspects as well as you seem to so I’m not sure where to start…any ideas of first steps for people who have this issue but aren’t using Exchange?

    • Robert Parks r.a.parks says:

      As Matt Neuburg pointed out in earlier comments, I may have identified a smoking gun but not necessarily the only smoking gun. If the issue is slightly broader – potentially affecting all push e-mail, for example – you could always try deleting and then re-adding your e-mail account settings. It’s my understanding that iCloud and Hotmail use push e-mail too. If that doesn’t work, you could always wipe the phone and then set it up as if it were a brand new phone. However, I recommend that you contact Apple Support for assistance with that process.

  5. GREAT research and evidence, and thank you for going through this effort with Apple. I had a similar battery drain/running hot issue START to occur just last week. My iPhone 5 had been on since Monday, I charged it for the first time that week on Wednesday night, and the problem presented Thursday morning with an incredibily fast battery drain… I was down to about 20% by noon. Crazy and uncharacteristically fast battery drain for me! This phone normally lasts me at least two or three days with my normal usage on a single charge. This past week I didn’t do anything unusual, I didn’t install any new software, and I didn’t change any settings other than my normal on/offs for Do Not Disturb, Airplane Mode, and similar. I’ve spent several days now watching usage, Googling, and narrowing down the culprit, finally landing on Exchange Server with the “Push/Pull” setting. That led me to more Google Fu and your post above. It fits perfectly with my situation. All the other iCloud tuning stuff and similar is very explainable and understandable for when it would cause high usage situations. Exchange Server is the only one I couldn’t explain… I am so glad to have found your post since instead of wiping my device I can try just uninstalling/reinstalling the Exchange account. (For now I have Push turned off and that seems to “mostly” do the trick, but I’m untrusting that it completely fixes the issue… plus I rather LIKE to have Push turned on! )

    Again – Thank you and great job!
    Banon

  6. Confirmed that deleting and adding back the Exchange account email fixed my problem. I now have Push enabled again with all my other prior settings. Cell data usage and battery life appear to be back to normal. Not sure it matters, but I also have a pop3 email account on the phone that I didn’t touch.

  7. I am having this problem as well, sans Exchange. My wife and I both have a 4S, bought at the same time, same day, same plan, even same iCloud account. After a month of normal battery drain, suddenly my wife’s begins draining very quickly, dead by noon with NO usage at all. The back of the phone is warm to the touch. Turning off cellular data seems to stop or slow it. She has two pop accounts on it, a Gmail and a Hotmail.

    I will try deleting them both and see what happens.

    • Robert Parks r.a.parks says:

      My Hotmail (actually Outlook.com) account is Push, while my Gmail accounts are Fetch. You might try removing and re-adding only the Hotmail account first if you haven’t done them both already. I’d love to hear your feedback as well.

      • OK, I added back her Hotmail, with Push disabled (just fetch every hour). I have no idea which, if any, was causing the problem. But clearly it had SOMETHING to do with email because so far everything is working fine. An hour has gone by and it is still at the 88% it was when I first checked, whereas before it would have been down about 10% by now.

  8. Seeing any improvement with iOS 6.1? Haven’t gotten feedback yet. Actually seeing a spike of cases lately. You can still reach me via reddit.

    • Robert Parks r.a.parks says:

      Too early to tell from my perspective. Since we’d manually intervened on our run-away iDevices a month ago, I haven’t personally observed any new or recurring instances of this problem.

  9. Thank you so much for posting this article. I had this exact symptom show up on my iPhone 4s a few days after upgrading to iOS 6.1. The phone had been well behaved as far as battery since I got it on launch day in the fall of 2011, but battery started plummeting and I noticed that the usage and standby times were always the same.

    I deleted my two Exchange email accounts from the phone (one for corporate servers and one for personal domain email hosted by google) and bingo! Everything is back to normal.

    You saved me SO much hassle. Hopefully now that you have Apple’s attention, they can find and fix the issue.

  10. I had the issue of data overuse from my Verizon 4S. My iPhone 4 was fine (it was also under an unlimited data contract). As soon as I upgraded, battery life was not very good & when I normally used less than 1 GB per month to using almost 2 GB in less than 2 weeks, I became very concerned. I searched forums & changed all my settings on my apps so that I didn’t receive notifications, etc. That didn’t work, so I called Verizon tech support & was told to got to “Settings > iCloud > Documents & Data OFF”. I really thought this work, but it hasn’t.

    Yesterday I contacted Verizon again, after about an hour, tech support suggested something I hadn’t heard yet. Go to “Mail > Mailboxes >Accounts” on each email & check in the “Drafts” folder. Erase anything in there if you can. What happens is you may have sent an email, but it never went through, so it continuously attempts to send it (you might have to go onto a computer & log into those accounts to delete drafts, I had to since the drafts wouldn’t load). I also deleted whatever was in the “Outbox”, so that I no longer have “Outbox” appear under “Mailboxes”.

    I’ve already noticed that it has fixed the loading issues with my Exchange (university) email, which had messages that would either never load or would take several minutes to load & would continue to be marked as unread. Hopefully this solves the issue, but we’ll see. I hope this is helpful for others as well.

  11. Additional follow up… I had the problem come back today for several hours – nearly killed my battery before I noticed.

    This time, I realized that I had a stuck meeting update in my calendar that was constantly resyncing between my phone and my corporate exchange server. I had accepted the meeting update (change in date to one instance of a repeating standing meeting) but that change was not being reflected on the server.

    I would accept it again – and that would be reflected on the phone, but not back on my PC running Outlook. A few seconds later, the badge would appear again on the calendar app indicating I had a pending meeting request to review, and when I checked, the invitation would be back.

    I tried accepting the update in Outlook, but that didn’t help – it was still listed as tentative on the phone.

    Ultimately, I had to delete the meeting in Outlook (removing only the one occurrence of the meeting) and then the badge finally went away permanently on the phone.

    I have not charged the phone all the way back up yet, so I can’t get the statistics on usage, but the battery certainly seems to be better behaved.

    I know there are other issues regarding Exchange meeting invitations and iOS6, and this may be a related one.

    I’ll update back in a day or so to see if this solved the problem without having to delete and recreate the whole exchange email account on my phone.

    Ted

  12. Dave Goldstein says:

    Thanks for the fix.

  13. Okay… as promised, a quick follow up. The one corrupt meeting invitation was the cause of my problem. After deleting the meeting from Outlook on my computer, my battery life was fine.

    Hopefully Apple can find and fix this issue soon.

    Ted

  14. I just updated to the latest ios a couple days ago on my ipod touch. Since then my battery is draining like crazy. I have gone from always having about 90% to constantly under about 40%. This is with minimal use. I do not hav

  15. iOS 6.1.1 on 4S
    When de-installing my exchange account everything works fine again, gmail and hotmail still installed and works fine. I reinstalled my exhange account and it has been running for two days without problem but now I see some problems again, my IPhone 4S is starting to get very hot with battery drain as result.
    It’s quite clear that iOS with exchange sync is still NOT working.

    • For now, I recommend that you remove and reinstall your Exchange account one more time. Following that, don’t accept any calendar invitations or updates via your iPhone. That should keep your iPhone running properly until Apple creates a fix.

  16. Thanks for this.

    I am increasingly believing this has a lot to do with email. I don’t have an Exchange, I use icloud (without synching) and with basically everything turned off and after monitoring with Dataman am still experiencing particular spikes every time I refresh it.

    The one thing I haven’t heard much about is the general excessive data used even when connected to wifi. By which I mean the data that does legitimately go through a wifi connection and doesn’t cost us anything on our 3G plans per se (which here in Australia are particularly expensive rates comparatively once you exceed our archaic data allowances). In the last 20 hours my phone has gone through 800MB with just email and facebook.

    Perhaps I’m not reading between the lines enough but is every data transaction by an affected iphone leaking excessively as well as these mail problems when compared to our laptops?

  17. I’ll add that in my particular case the majority of my excessive use, both over wifi and unidentified overnight spikes, occurs as “sent” data

  18. We have definately experienced this – practically from day one – with iPads and other iOS devices.

    I had also done the support thing, and been told that some number of devices need to mysteriously be wiped and setup as a new device (instead of restoring from backup) and even though that never struck me as “right” I had actually chalked it up to “just the way it is with Apple” until I came across the most recent admissions of an issue related to iOS 6.1 – thanks for putting together a comprehensive writeup. Made it VERY easy to see the dots connected back to what we’ve seen in the exchange server logs.

  19. We have the exactly same problem here with more than 150 devices. What is different from you, is that 10% of those devices use Androïd OS. But the fact remain the same, two many HTTP Sync connection on the Exchange 2K3 FE.

    An analysis of all of those devices’ OS show that there is no trend. Different IOS firmware version, and the same for Androïd. As I said, the problem start 1 year ago, and the IOS 6.1 effect is sporadic, as only 20% of our IOS devices are in this firmware’s version.

    Hope you will have feedback before switching to Exchange 2010.

  20. Hi,

    we are using exchanges 2k3 many of them like 15 or so…and we do have the same situation of battery draining and data usage going up the roof without explanation…we are in Canada with Bell mobility. as of now we have done the same thing wiping devices and putting back our basic templates and most of the times it as solved it…

    but this is getting frustrating to do so on a regular basis we have over 800 iso devices iphones 4 and 4s and Ipad.

    now that I have more information from your post we will be opening cases with apple again with our exchanges server log to push in the same direction…

    thank again so much for that valuable information, this should have come from apple in the first place but it’s hard to admit that your thing is not perfect…

    cheers everyone!

    Gilles

  21. Bill Stephani says:

    I have seen this problem sporadically since we started deploying iOS devices. But this week we had a new development. I have a department that all needs to access a shared contacts list. That contacts list is in it’s own mailbox on Exchange 2003. I added that account to all of the iPhones from that department as a second (or in some cases third) exchange account. All of the exchange accounts point to the same exchange server. Almost 100% of the iPhones configured this way had the battery problem the next day. These units had never displayed this issue in the past. I am going to follow up with Apple on this.

  22. Robert Parks r.a.parks says:

    On February 24th, 2013, an iPhone 5 running iOS 6.1.2 (Apple-iPhone5C2/1002.146) contacted our Microsoft Exchange server 69,878 times. Evidently iOS 6.1.2 does not totally fix the Exchange client problem. Simply turning the calendar sync off and then back on in the Exchange settings on the offending device seems to have resolved the problem for now. I provided another log file to Apple.

  23. Christopher says:

    User09
    Re: iPhone5 with ios 6.1.2 uses cellular data when connected to wifi. Every hour to the minute even when no apps are running, iCloud is off, Ads are off, Diagnostics are off. Running on AT&T cellular network.
    Apr 1, 2013 6:18 AM (in response to JunGull)
    Hello All Who Read This!

    I just bought an iPhone 5 on the 21st of March. I ate through 850 MB’s in 12 days. I read up on the issue of data consumption looking for tips to conserve data. I did not know there was a problem.

    This morning I found out that I was leaking data very little, but daily it accumulates. I am in Barcelona, Spain. I do not have a contract, I am on a prepaid Yoigo carrier.

    I happened upon an article/blog by Robert Parks at snnyc.com “problems persist in ios 6.1.2.”.

    Although his situation did not relate to me, I tried a few tests on my own to see if I could stop the data leak without turning off my celular data and possibly push notifications, I think I found a solution that might help someone:

    In ios 6.1.3 goto Settings/Mail, Contacts,Calenders and scroll down to Calendars and turn off ” New Invitation Alerts” and also turn off “Shared Calendar Alerts”.

    My Cellular Network Data seems to be behaving. I only see a change in MB used when I open an ap that uses data.

    All The Best

  24. Same problem started with my iphone 6 months a go, i had synchronized my iphone for data exchange as well.. didn’t noticed till i download onavo count app ( which counts mb each app is downloading) after only a day of use, i noticed microsoft exchange had already downloaded 300mbs! Good thing i had a unlimited plan, but at the middle of the month i always reach the cap and shit was super slow.. glad i could figure it out as well..

  25. dfarmer says:

    Greetings all,
    We too have been plagued with the iPhone/Exchange ActiveSync issue since 2011. Our fix, like many of you, was to delete the exchange account from the iPhone and re-add it. That re-synchronizes the ActiveSync communication and fixes the infamous battery depletion issue (until it happens again). Although that solution is effective and works, it isn’t ideal. From my experience, it can be time consuming, inconvenient, and frustrating to the end-user.

    I discovered a quick fix that only takes a few seconds to re-establish the ActiveSync communication channel. Prior to applying the fix below, one of our problematic iPhones would continuously sync with exchange (about 20,000 – 30,000 hits per hour). After toggling SSL OFF and back ON, the iPhone begins to sync normally (about 20-30 times per hour). This method works for us and I hope it works for you too – at least until someone decides to permanently resolve the underlying bug.

    Steps for the quick and painless fix:
    1. From the iPhone, navigate to “Settings”
    2. Select “Mail, Contacts, Calendars”
    3. Click on your exchange mail account name, and then select “Account”
    4. Scroll down and toggle SSL to OFF, click “Done”
    5. Repeat steps 3 and 4 going back into the Account settings — but this time toggle SSL back to ON, click “Done”

    That should do it! I hope this saves you a little bit of time.

    Regards,

  26. Dbuckwalter says:

    Hi all.
    I really appreciate all of your help in this matter, because my iPhone 4S has been experiencing severe data drain recently. I went to the apple store and to the AT&T store, and they both were not really helpful. Then, in the past 24 hrs or so I deleted what I think is a windows exchange account email (from work) and that helped some, but the SSL toggling that dfarmer suggested has been especially helpful, I believe. Thanks so much!
    –Dave

  27. I’ve been having this issue with battery drain and data being sapped without use for a few months and have concluded to only turning on data when I need to use it which is a huge hassle.

    However, I have tried all of these suggestions to fix this and none of them have worked for me. Would wiping and restoring from backup fix this problem?

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