SamanthaD Posted May 27, 2016 Posted May 27, 2016 Hi all, I've got 30 iPads I manage through 1.7.2. which up until recently has worked a treat. Nowadays whenever I try to restore my backup I seem to get a block of 4 that fail with either "Unable to erase device" or "Unable to restore backup". No rhyme or reason as to why. Only solution I have at the moment is to force them into recovery mode, but this is starting to get tedious! Anyone have any ideas? Specs - 16Gb iPad mini, iOS 9.3.2. Running backups in blocks of 10, through either Kensington Sync N Charge or Bretford PowerSync Tray. Apple Configurator 1.7.2 on a Mac Mini running El Capitan.
abillybob Posted May 27, 2016 Posted May 27, 2016 Hi all, I've got 30 iPads I manage through 1.7.2. which up until recently has worked a treat. Nowadays whenever I try to restore my backup I seem to get a block of 4 that fail with either "Unable to erase device" or "Unable to restore backup". No rhyme or reason as to why. Only solution I have at the moment is to force them into recovery mode, but this is starting to get tedious! Anyone have any ideas? Specs - 16Gb iPad mini, iOS 9.3.2. Running backups in blocks of 10, through either Kensington Sync N Charge or Bretford PowerSync Tray. Apple Configurator 1.7.2 on a Mac Mini running El Capitan. Yep same here. They will eventually work just plug them all back in and do them again... Welcome to buggy central that is Apple Configurator. There's no fix to this....
Giblets2 Posted February 6, 2017 Posted February 6, 2017 (edited) I find that you can use AC2 to 'Revive' devices in this state and it also fails a lot less often when updating iOS. Note however that AC2 is a nightmare for app updates and general deployment tasks compared to AC1 so I continue to use AC1 for everything else. Note: Apple decided to store the iOS ipsw files in a different place in AC2 so make sure you copy the existing files to that folder before updating - otherwise it'll spend ages downloading the same files again. Don't recall the paths right now but a quick Google will help you. The final folder is called Firmware in both cases. Edited February 6, 2017 by Giblets2
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