How to Reset iPad to Factory Settings without iTunes: Third-Party Tool
Install and launch Tenorshare ReiBoot for iOS on your computer and connect your iPad with the computer via USB cable. Afterward, click “Reset Device”.
Select the “Factory Reset” option and then click the blue “Factory Reset” button.
The tool now asks about the way you want to repair the device. So, select the “Deep Repair” option and then click the blue “Deep Repair” button.
Now you have to download the firmware package based on your iPad model. So, select the path where you want to save the firmware and then click “Download”.
Once the firmware is downloaded, click the “Start Reset” button to initiate the reset process.
Doing a factory reset means it will erase all of your iPad’s data and settings. So, it is recommended to make a backup beforehand if possible.