Woodwyn

Q: How to restore back to iOS 9.2 after upgrade to 9.2.1?

Is it possible to restore back to 9.2? Does anybody know the steps?

 

My Touch ID failed following the update to iOS 9.2.1. I need to restore back to the previous OS to confirm 9.2.1 is causing the problem.

Posted on Jan 31, 2016 8:46 PM

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Q: How to restore back to iOS 9.2 after upgrade to 9.2.1?

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  • by ChrisJ4203,

    ChrisJ4203 ChrisJ4203 Feb 2, 2016 9:03 PM in response to Woodwyn
    Level 9 (58,962 points)
    iPhone
    Feb 2, 2016 9:03 PM in response to Woodwyn

    That is what I would expect to see there, however when looking at that list, what kind of battery percentages do you find at the top of the list. Something there is using much more than it should. This is where you can help find out what the battery problem is. Percentages over the last 24 hours, versus what you believe your amount of time using something is. A couple of days ago I helped a poster that said they were using the Facebook app, but was having a lot of trouble with battery. When asked the same question, he reported that 75% of battery in the last 24 hours was in Facebook. Despite other attempts, only deleting the Facebook app and then installing it again was able to correct the issue. I provide this only as an example of how things can go wrong.

  • by Woodwyn,

    Woodwyn Woodwyn Feb 2, 2016 9:26 PM in response to ChrisJ4203
    Level 1 (12 points)
    Mac OS X
    Feb 2, 2016 9:26 PM in response to ChrisJ4203

    after another record setting day of running through my battery with little activity on my end, I did check the battery usage during the day. about 3 hours after I reached 100% charge, my battery was at about 60%. looking at the app power distribution, it appeared as though Mail used about 34% in the background. All other apps were typical apps I routinely use all listed around 1-5% each. Safari used by far the most at 54%. i don't recall using safari that much. Unfortunately, unlike Facebook, it's impossible to delete and reinstall just Safari. And essentially I had just done that by reinstalling the OS from scratch.

     

    ALso, I can't be sure, but I think the phone is charging much faster than before. It seems to reach 100% charge from 10% in about an hour. That doesn't seem quite right. When I left the office tonight, the phone had gone from 100% to 0 within about 8 hours, and again, I wasn't really even using it again today.

     

    not sure what else I can do. I'll hopefully make an appointment at the Apple Store this week and have them run a hardware diagnostic to see if there's something else going on that could be causing this.

  • by ChrisJ4203,

    ChrisJ4203 ChrisJ4203 Feb 3, 2016 6:21 AM in response to Woodwyn
    Level 9 (58,962 points)
    iPhone
    Feb 3, 2016 6:21 AM in response to Woodwyn

    That much usage would indicate something. Do you have Background App Refresh turned off? What had you been doing on Safari, something that could have kept working, connecting, refreshing? If you go to Settings>Cellular>Safari, what kind of data usage do you see there? If there is time that you are not connected to wi-fi for a while, if Safari was doing something in the background, it should show in data usage as well.

     

    I agree with the Genius Bar appointment. There has to be something, and right now, I'm at somewhat of a loss.

  • by Woodwyn,

    Woodwyn Woodwyn Feb 3, 2016 5:37 PM in response to ChrisJ4203
    Level 1 (12 points)
    Mac OS X
    Feb 3, 2016 5:37 PM in response to ChrisJ4203

    Thanks for the follow up. I've thought about this theory that the percentage use indicator might indicate some app operating abnormally. To test that theory, I have used minimal apps today. My battery drained at the same alarming rate as it did yesterday. However, I made sure I quit all apps after I used them, and only used what I need to. Just like yesterday, I was down to about 60% battery in 3 hours after taking it off the charger.

     

    Without changing anything about my settings, I see that Mail has used about 51% of the available battery capacity, whereas yesterday it had only used 34%. The difference is that Safari does not even show up at all since I did not use it at all in the last 24 hours. The rest of the apps I used fall in line from 16% for the camera app, 14% for the home lock screen, 13% for settings, etc. All of which add up to an aggregate of 100%. By the way, I did not access the camera, the lock screen, or settings, more today than I did yesterday, and their respective percentages are all double what they were over yesterday.

     

    So the way I read this, is that if I opened only one app on my iPhone today, it would show that of the available battery capacity used to any given point, that the one app used 98% of it, the home screen used 1%, and the Settings used 1%. In other words, it's merely reporting the proportional usage to whatever else was using the battery at the time. So while the battery indicator may be helpful diagnosing a problem, in this case it doesn't seem to be applicable.

     

    The only apps I used today were Apple apps, all of which have been freshly installed. My Mail settings look to be correct. Safari didn't even enter into the equation today and my battery still drained ridiculously fast. I checked Background App refresh and again it appears as it was before, but none of the apps that are turned on were launched or reported using any battery. I also checked Safari cellular data, but I'll need to reset it as I have 15 hours worth of use so far, during which I downloaded 500MB data. But, Safari wasn't even open today and used no battery, yet the battery drain was the same.

     

    So the drain is a clear result of the upgrade to iOS 9.2.1, and appears to be related to system problems, and NOT any particular app use. And since I am only running system apps which I have performed complete restore of, and confirmed settings have not changed since my last backup, there's very little else I can do in terms of reinstalling them. At this point I don't see any other recourse than to take it to an Apple Store. Perhaps they will also solve the Touch ID problem at the same time.

  • by gail from maine,

    gail from maine gail from maine Feb 3, 2016 7:39 PM in response to Woodwyn
    Level 7 (26,344 points)
    iCloud
    Feb 3, 2016 7:39 PM in response to Woodwyn

    Your deduction is correct - the percentage represented is proportional to the percentage used by active applications.

     

    I think you also are correct in determining that your next best step is to take it into Apple and have it looked at. Not sure if I am reading your backup status correctly, but it sounds like you have a recent one to iTunes, iCloud, or both (even though I'm a girl - I'm still a belt and suspenders type, so I would opt for both.... ).

     

    Also, in my personal experience, I have found that restoring from my iCloud backup results in a much closer mirror image to what was on my device before erasing it than a restore from iTunes, so wanted to share that with you.

     

     

    Best of luck,

     

    GB

  • by ChrisJ4203,

    ChrisJ4203 ChrisJ4203 Feb 3, 2016 7:56 PM in response to Woodwyn
    Level 9 (58,962 points)
    iPhone
    Feb 3, 2016 7:56 PM in response to Woodwyn

    Unfortunately, there is a little flaw in your hypothesis. Unless you were sending email to all members of Congress, there is no way that you should be using 51% battery. Are you using Push or Fetch for your mail? How many accounts do you have? How much mail today? While you are correct that it is going to equal 100%, that is just the mathematical part. I understand your apps are the native iOS app, but it could be something about the mail accounts that is locking connection. If you have all of your data backed up, the best test is the restore to factory, You then test the device prior to adding any additional content to the device. If the battery drainage becomes minimal, then it is something that you have added to the device, and right now since Mail is the high user, then it could be something about your mail account(s). You can believe it is the update, and I think we will have to agree to disagree, since I know that it probably isn't. History has shown that individuals have issues with battery with each update, and this one is no different.

     

    Go ahead and make an appointment at the Genius Bar. See if what they do will straighten it out, but I will tell you they are going to restore the device to start with.

  • by Woodwyn,

    Woodwyn Woodwyn Feb 5, 2016 6:30 PM in response to ChrisJ4203
    Level 1 (12 points)
    Mac OS X
    Feb 5, 2016 6:30 PM in response to ChrisJ4203

    Thanks again for the help.

     

    Respectfully, I don't think the Battery use percentages work quite the way you're suggesting. Having used it now for several days, I believe as I stated earlier that the percentages are reflective of relative use among all apps opened during any 24 hour period. In other words, these percentages do not reflect the percentage of total battery capacity, but rather the percentage used at any given time relative to whatever other apps are in use, therefore I can't really use them to confirm an app is drawing more battery power than it should be. Other things affect the battery drain which are not being reported in the Battery

     

    The first day I reported that Safari was using 54% and Mail was using 34%. When I stopped using Safari for a day, without changing any settings in Mail, it shot up to 51% as soon as Safari dropped off, and I wasn't even using Mail. Then I turned off Push and switched Fetch to manual, and essentially stopped using Mail. Predictably after Mail fell off the chart 24 hours later, suddenly the Clock app shot up to 46%, just from my using the stopwatch at the gym, which I had been doing everyday. Not only that, but apps I only used once briefly the day before jumped up proportionately from 1% to 5% as other larger percentage apps dropped off, without having used the apps again (and with no background activity functions enabled). And even with Mail turned off, my battery drained at the same fantastic rate, despite battery use reporting being in standby for 90% of the time.

     

    That said, I absolutely agree, the only way to find out if one of my apps is corrupt and causing the problem is to test it running a clean install and setting up my Mail, and other apps from scratch. But at the end of the day, I find it very disappointing that I will have to go to that effort because a software update broke what was once working fine. I have of course performed several clean installs in attempting to restore Touch ID, and am certainly prepared to have the Apple Store "geniuses" perform the same to address batty life as well. The issue for me this week has simply been one of not being able to be without my phone during work hours. And it's unlikely I will be able to get to the Apple Store until next week. But I may try to run the phone with a clean install one day this weekend.

     

    There is now a new report of "Error 53" coming up on failed Touch IDs on iPhone 6 models which have not been repaired by authorized Apple repair shops. However, there are conflicting reports that this error is coming up on devices which have been repaired by authorized repair shops and that the problem may be with how the work was performed as well as the faulty home button replacement parts used. Since my 5S is presumably a refurbished phone replacing my original 5S due to a warranty issue a little over a year ago, I am now most eager to find out what a physical inspection of the iPhone yields, hopefully next week.

  • by ChrisJ4203,

    ChrisJ4203 ChrisJ4203 Feb 5, 2016 6:49 PM in response to Woodwyn
    Level 9 (58,962 points)
    iPhone
    Feb 5, 2016 6:49 PM in response to Woodwyn

    The issues with Error 53 have to do with improper repairs or 3rd party repairs. Repairs from Apple or Authorized Service Providers should not yield this error, and if they do, then Apple handles it. Devices that have hardware errors to the Touch ID that does not get replaced can also exhibit the Error 53, but that would be known ahead since the owner would know the Touch ID was faulty. If your device was a refurbished replacement from Apple, that would not be an issue for you.

     

    You have your opinion of battery, and I have mine and what I have studied and observed, so at this point, I believe we will have to agree to disagree. Good luck with your Genius Bar appointment.

  • by Woodwyn,

    Woodwyn Woodwyn Feb 8, 2016 11:27 AM in response to ChrisJ4203
    Level 1 (12 points)
    Mac OS X
    Feb 8, 2016 11:27 AM in response to ChrisJ4203

    Agreed. ;-)

     

    I didn't make it into the Apple Store this weekend, however, I did discover and turn on Low Power Mode, after I reached a full charge. This setting purports to eliminate background activity on a system wide level, and yet even with this selected, and restricting my use of apps in general, my battery drain continued at fantastic rates, all the while battery reported huge percentages for the apps I did use briefly throughout the day. Battery reported that the phone was in standby for almost 90% of the day, despite the battery draining completely within about 7 hours. I also checked the battery count and charge capacity, and I only have around 300 full recharges on the phone, showing at max capacity. So this confirms a problem with 9.2.1 in my mind but we shall see.

     

    The day I go into the Apple Store I do intend to do a clean install of iOS 9.2.1, without performing a backup restore, and run that all morning to see the effect of battery drain. And of course I report back afterward.

     

    As for Error 53, I'm reading many reports of iPhone users who have had brand new phones bricked after updates, never having had a repair. So I'm not at all certain that a refurbished phone given to me by Apple would be immune from this problem (or other Touch ID related issues) that Apple seemingly is withholding answers to. I'm also finding many more reports of people who have had their 5S Touch ID fail after iOS 9.2.1. So we shall see what the Apple Store has to day about that as well. One hopes their diagnostic tool will be able to reveal any hardware issues to put the cause for these problems to rest.

  • by Woodwyn,

    Woodwyn Woodwyn Feb 16, 2016 10:24 AM in response to ChrisJ4203
    Level 1 (12 points)
    Mac OS X
    Feb 16, 2016 10:24 AM in response to ChrisJ4203

    Going into the Apple Store today, so I'll have some answers to report back this afternoon.

     

    JUST DID A FULL RESTORE an hour ago, and set up the phone as new. I disconnected the phone at 100% charge, and in less than an hour the Battery monitor reports that with NO apps used, the phone is down to 90% power, with only 35 minutes of standby, and 11 minutes of on-screen activity, which was entirely using Settings. Touch ID still reports an error when setting up and does not work.

     

    Pretty odd behavior for a CLEAN INSTALL with no restore of any potentially "corrupt" software/settings, and NO third party apps -- all coinciding with the installation of iOS 9.2.1.

     

    Should have more to report in about 4 hours or so.

  • by ChrisJ4203,

    ChrisJ4203 ChrisJ4203 Feb 16, 2016 10:30 AM in response to Woodwyn
    Level 9 (58,962 points)
    iPhone
    Feb 16, 2016 10:30 AM in response to Woodwyn

    Thank you for the update. When you reviewed those times (35 minutes standby 11 minutes on-screen activity), it is not showing anything as far as usage in apps in the last 24 hours? Anything else there, such as battery usage will be updated......, etc.? Sounds like something is stuck, and it could be in regards to a hardware issue but Apple should be able to diagnose the issue. My device is displaying 91% and 4 hr, 37 min of Standby, 1 hr, 1 min of usage.

  • by Woodwyn,

    Woodwyn Woodwyn Feb 16, 2016 11:10 AM in response to ChrisJ4203
    Level 1 (12 points)
    Mac OS X
    Feb 16, 2016 11:10 AM in response to ChrisJ4203

    Of course it wouldn't show anything for the last 24 hours since I just did a clean install and set it up as a new, default settings, iPhone. So there wouldn't be a history. It's only been running for a little over 90 minutes so far (1 hour 23 minutes standby, 18 minutes usage, no apps), and has now sucked down 22% of my battery life.

     

    If it's a hardware problem, it's one directly related to the 9.2.1 update, or a massive coincidence.

  • by Woodwyn,

    Woodwyn Woodwyn Feb 16, 2016 3:36 PM in response to ChrisJ4203
    Level 1 (12 points)
    Mac OS X
    Feb 16, 2016 3:36 PM in response to ChrisJ4203

    Back from the Apple Store. Here's there response:

     

    The ran several tests on the phone remotely, which turned up no issues. They did note the abnormal battery drain, confirmed my settings were perfect, and had no explanation.

     

    They then suggested it might be a firmware problem, and reset the firmware and one again restored the phone as new.

     

    While that did not resolve the issues, they retested it and discovered a minor battery fluctuation. However, they ruled that the battery was in such good condition that they could not authorize replacing it -- despite diagnosing it as a potential cause, or contributor to the problem. Although they did note a battery drain of approximately 10% within 5 minutes of performing the restore. In addition they took the iPhone apart, determined there was no visible internal damage, and re-seated the Touch ID and battery, to no avail.

     

    The only explanation they offered was that the 9.2.1 update uncovered a preexisting hardware defect, which they could not diagnose, which caused the Touch ID to fail, and battery life to drain rapidly.

     

    They only offered one solution since the phone was technically out of warranty -- repair the phone for $269. Or trade in the phone as-is and receive $200 put toward in-store credit.

     

    Now I say technically because of this: The iPhone 5S was originally purchased over 2 years ago. However, it was replaced under Apple Care warranty in November of 2014, with a brand new, manufactured-phone-for-replacement by Apple. So the current phone which exhibits the acknowledged manufacturing defect, is only 14 months old, barely two months out of the standard Apple 1-year warranty. Unfortunately the phone was no longer eligible for Apple Care because it's tied to the original purchase, not to the brand new replacement phone, and I did not originally purchase the phone, so Apple Care was no longer offered when I received it.

     

    So after spending an hour at the Genius bar, Apple has officially told me that iOS 9.2.1 broke the phone, which they presume suffered from a physical defect, and despite only being 14 months old, for which Apple Care which could not be purchased on the replacement phone despite being brand new, they are not obligated to repair or replace anything.

     

    So the official verdict -- iOS 9.2.1 broke my 14 month old iPhone -- specifically dramatically reducing the battery life, and permanently disabling Touch ID.

     

    Well, here's hoping they don't know what they're talking about and iOS 9.2.2 repairs whatever 9.2.1 broke.

  • by Nealf,

    Nealf Nealf Feb 23, 2016 10:32 AM in response to Woodwyn
    Level 1 (62 points)
    Mac OS X
    Feb 23, 2016 10:32 AM in response to Woodwyn

    I lost my touch ID with the upgrade, too.  And I have a relatively new, never repaired 6s+.  I am not seeing the batter issue, however. This may mean that it is not a hardware defect but software.

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