The most reliable and permanent way to remove the lock is through official channels:
Keep in mind that the iPhone 4S may not support the latest features or apps, and performance might be slower compared to newer devices. iphone 4s activation lock bypass ios 935 extra quality
This requires a valid .plist file from a donor device—sharing such files violates Apple’s ToS, but individual extraction is legal for personal use. The most reliable and permanent way to remove
Bypassing the Activation Lock on an iPhone 4s running iOS 9.3.5 is possible, but reviewers and community experts emphasize that it is a complex process often requiring additional hardware or specific software environments. Most "one-click" online tools are scams Proven Bypass Methods Arduino + USB Host Shield (Recommended) iphone 4s activation lock bypass ios 935 extra quality