|Aug 20, 2010, 12:16 PM||#1|
Cant backup because of Unknown Error (-20)
Everytime I try todo anything that involves backing up my iPhone 4, this message comes up: 'iTunes could not backup the iPhone "Titch's iPhone" because an unknown error occurred (-20)'
I have tried uninstalling iTunes and downloading it again, and I have refreshed my iPhone a bunch of times but still no luck! and I am a newbie to any sort of Apple product!
|Aug 20, 2010, 01:17 PM||#4|
And the solution, as explained above, is to remove the existing backup.
When you next try to update the firmware on your iPhone, iTunes will create a new backup. Or you can force it to create one (Devices -> right-click -> backup). Chances are the existing one is corrupt in some way.
ɹɐǝddɐ ʎǝɥʇ uɐɥʇ ɹǝsolɔ ǝɹɐ ɹoɹɹıɯ uı sʇɔǝɾqo
|Aug 31, 2010, 08:58 AM||#12|
because an unkown error occured (-20)
I am having the same problem but I am using Windows 7. Can anyone help me to locate the backup folder using thios opertating system? Thanks
|Sep 2, 2010, 12:31 PM||#13|
If anyone cause help, I'd appreciate it!
|Sep 6, 2010, 01:21 AM||#15|
Hi guys !
Sorry ,to bug you guys, in your thread,but a have a problem :error19 ,i have a 3gs and i change my name carrier whit ibackupbot and i went on youtube to do it,
And now i cannot backup and sync
no more i need your help to put back the way i was .
And a lost everything in my phone because i did RESTORE on Itune, but now i try to have all the numbers ,in my girlfriend iphone how did i do that !!!
Thanks for everything!
|Sep 9, 2010, 10:03 AM||#16|
still got the same prob
hi i still have the unknown error 20 for backing up my iphone ( running on windows vista )
i tried both deleting the actual folder for mobile applications and also deleting the contents of the folder but leaving the folder empty - can you spot what im not doing correctly if this has worked for others?
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