Connect it to UnlockTool and utilize the mode.
Did you the tool, or has it been working fine until now? activation record does not exists unlocktool
feature. Connect the device and select "Get Activation" (often with "no change serial" selected) to allow the tool to generate the missing records. Mount Data/Ramdisk Connect it to UnlockTool and utilize the mode
: Update the device to the latest supported iOS version using activation record does not exists unlocktool