Hello, I upgrade my iphone 4s to iOS 9.3 and from that time the front camera dose not work just see black screen. This problem appear only when I upgrade to iOS 9.3. iphone 4s, iOS 9.3.1
iPhone 4S, iOS 9.3.1
Update could not cause hardware issue. Take your device to the Apple Store for further diagnostics.
You may also check this article: Get help with the camera on your iPhone, iPad, or iPod touch - Apple Support
In my country there is no apple store.
and the problem appear when I upgrade my iphone to new iOS
This is hardware issue. Most likely it has no relation to new update. Updates do not cause hardware problems. Check the article above.
You may also try basic troubleshooting techniques:
Try to reset your device. This won't delete your data stored on this device.
Alternatively, you may go to Settings - General - Reset - Reset All Settings
If this does not help, restore your device to factory settings. Note that this will erase the data from your device.
Take a look this Apple Support article: Use iTunes to restore your iPhone, iPad, or iPod to factory settings - Apple Support.
Try Installing iOS via DFU Mode via iTunes in PC
If this isn't Fix bette to Take the Phone to a Repair Store !!
when upgrade my iphone 4S to iOS 9.3 front camera not work
