Why don't my iPad apps update?

[iMore Question]

why my ipad apps wont update?

I have recently updated my ipad to Ios 9 Developer preview,and when try to update my apps as usually it asks for apple id password after entering password,the circle rotates for 5 seconds and returns to its original state(update)

 

[Just_Me_D]

Re: why my ipad apps wont update?

1. Did you download the ipsw file from a reputable source?
2. Did you download the 'correct' .ipsw file?
3. Is it possible that you may have a corrupted download and may need to download a fresh copy of the iOS 9 beta?