On GSM/CDMA variants (A1396/A1397), SIM card cellular data will not authenticate. Disabled
You can use the free iRemove software an unlimited number of times to boot the tablet back up. However, you must connect the iPad to your PC each time it restarts. iPad 2 Hardware Architecture and Storage Clarification iremove tools 128 ipad 2 link
Please be aware that using iRemove Tools or any similar software may void your device's warranty. Additionally, ensure you have the necessary permissions or rights to unlock the device. On GSM/CDMA variants (A1396/A1397), SIM card cellular data
You must put the iPad 2 into Device Firmware Update (DFU) mode: It is often used as a workaround when
is a third-party software suite designed to bypass iCloud Activation Lock on various Apple devices, including the iPad 2 . It is often used as a workaround when the original Apple ID and password for a device are forgotten or unavailable. Key Features for iPad 2
Practical considerations for an iPad 2