The , running iOS 9.3.6 , represents a unique intersection of legacy hardware and modern security protocols. To understand the concept of an "iCloud Bypass" on this specific device, one must examine the evolution of Apple’s Activation Lock and the technical vulnerabilities that exist within older iterations of iOS. The Mechanics of Activation Lock
Why? The baseband chip (which manages cellular radio) is separate from the main OS. Even if you bypass the setup screen, the baseband checks the activation ticket stored in the FairPlay subsystem. Without a valid ticket matching the IMEI to a specific SIM and Apple ID, the baseband will show "No Service" or "Searching." Iphone 4s Ios 9.3.6 Icloud Bypass