Your computer cannot modify the system files while the phone is booted normally. You must force the device into Device Firmware Update (DFU) mode.

Hold the and Home buttons simultaneously for 10 seconds.

Method 1: Using Modern All-in-One Windows Unlockers (Simplest)

To successfully bypass the iCloud lock screen on iOS 10.3.4, you must understand how the exploit interacts with Windows:

Select the option labeled and click on Enter pwnedDFU .