For users who simply need to recover their iCloud account details:
When Apple Activation Lock is enabled, your device's unique hardware identifier (UDID) and serial number are linked directly to an Apple ID on Apple's secure servers. Restoring the phone via iTunes does not delete this link. When the iPhone 4s boots up on iOS 9.3.6, it pings Apple’s servers to verify authorization. If it detects an active iCloud lock, it demands the original owner's account credentials. Method 1: The Official Free Route (Always Try First) iphone 4s ios 936 icloud bypass free
It is . You remain locked out of iOS.
This is the most common free method for the iPhone 4S on iOS 9.3.6. It tricks the iPhone into communicating with a third-party server instead of Apple's activation server. For users who simply need to recover their