iPhone 6 backup failing

I went to update my iPhone 6 to ios9 this evening but when I went to back it up the back up failed almost instantly with the error message "iTunes could not back up the iPhone because an error occurred" (I've tried dozens of times and got the same error). There is no error code or anything. I also tried backing up to iCloud but that also failed both doing it in iTunes on my macbook and trying it from the phone itself?

Anyone have this issue? I looked around online but none of the easy fixes are making any difference.

Heisenberg1

Thalia Kind Lubrication wrote: »

I went to update my iPhone 6 to ios9 this evening but when I went to back it up the back up failed almost instantly with the error message "iTunes could not back up the iPhone because an error occurred" (I've tried dozens of times and got the same error). There is no error code or anything. I also tried backing up to iCloud but that also failed both doing it in iTunes on my macbook and trying it from the phone itself?

Anyone have this issue? I looked around online but none of the easy fixes are making any difference.

So your iPhone will not back up automatically? Are running 8.1.4 now ? When did you last back up your device?

Heisenberg1

Heisenberg1 wrote: »

So your iPhone will not back up automatically? Are running 8.1.4 now ? When did you last back up your device?

It won't back up manually or automatically as part of the software update (to iTunes or iCloud).

I'm currently running 8.4, last backup was mid July.

guil

Have you tried rebooting the phone and is iTunes up to date?

guil

guil wrote: »

Have you tried rebooting the phone and is iTunes up to date?

Yeah rebooted the phone a few times (tried with power button and home button also) and rebooted the MacBook as well. iTunes was updated earlier in the week.

Heading in the direction of trying to restore it at this stage I suppose which isn't ideal with two months since I backed it up.

guil

Unless there is important texts etc I would just restore as a new phone, iCloud will have all your numbers and pictures will be there as well if iCloud photo library is enabled.

guil

guil wrote: »

Unless there is important texts etc I would just restore as a new phone, iCloud will have all your numbers and pictures will be there as well if iCloud photo library is enabled.

Not worried about photos I have onedrive backup enabled so have all them. I dont have iClould backups enabled though so wont have numbers and I do have stuff in texts etc and lots of stuff in notes that I want so I'll try to either restore to my last back up or else wipe the phone and then restore to the last back up.

Will be next week before I get a chance to do anything but I'll report back anyway in case its useful to anyone else. Have about 10 days of warranty left so even if I cant solve it I've time to organise a warranty repair anyway thankfully.

Just an update on this.

I erased the phone completely today and restored it to my most recent backup and all appears fine now, I was able to update to ios9.0.2 and its backing up fine now also.