with a USB Host Shield to put the device into "pwned DFU" mode.

Because the iPad mini 1 is an A5 device, a permanent software bypass usually requires putting the device into a special "pwned DFU" mode. This typically requires external hardware.

: Using a script like checkm8-a5 uploaded to the Arduino, you connect the iPad in DFU mode to the Arduino. Once the exploit runs, the device enters a state where you can send custom commands to it.

You must use the Arduino to put the iPad into "Pwned DFU" mode, which allows the Sliver tool on a Mac or PC to delete the Summary of Options Requirements DNS Bypass Arduino/Sliver Free (software) Arduino + USB Host Shield Official Request Proof of purchase for Apple Support

iPad 2 iOS 9.3.5 Hello screen Activation Lock. How remove it??

: Many "free" tools online are fronts for malware or scams. Experts recommend official routes, such as contacting Apple Support