Gain access to devices stuck on "iPhone Unavailable."
After the phone restarts, return to DFU mode, boot the Ramdisk again, and click "Activate Device" to restore your saved activation files. Where to Find Help BigBroActivator-Ramdisk v2 Passcode
Since it boots into a custom Ramdisk, you don't need to pre-jailbreak with tools like Palera1n or Checkra1n. Step-by-Step: Using the Passcode Bypass Gain access to devices stuck on "iPhone Unavailable
Set up the device even if you don't have the original Apple ID. return to DFU mode
Many users report success in retaining SIM and cellular functionality. Key Features of Version 2
How to Bypass Passcode and Activation Lock with BigBroActivator-Ramdisk v2