For a more complete bypass on iOS 9.3.6, you often need to put the device into a "Pwned DFU" state. This typically requires a computer and sometimes specialized hardware. How to Bypass Activation Lock on iPad, iPhone & Mac - Avast
If you have the original proof of purchase, you can submit an Activation Lock support request directly to Apple. Method 2: DNS Bypass (Free & Instant) Iphone 4s Ios 9.3.6 Icloud Bypass
Enter a bypass DNS server based on your location (e.g., USA: 104.154.51.7 , Europe: 104.155.28.90 ). For a more complete bypass on iOS 9