You can put your iPad in recovery mode, then restore it using your computer.
SOLVED] iPad Stuck in Recovery Mode and Won't Restore
If you can't update or restore your iPhone or iPod touch - Apple Support
How to get iPadOS 17 on your iPad
If the Restore screen appears on your iPhone, iPad, or iPod touch - Apple Support
Get temporary iCloud storage when you buy a new iPhone or iPad - Apple Support
How to reset an iPad to factory settings
No Data Loss) How to Fix support.apple.com/ipad/restore on iPad 2021
How to Bypass the iPad Unavailable Message in 2024 - EaseUS
How to Restore an iPad to Factory Default Using iTunes
Restore an iPhone, iPad, or iPod touch that needs a newer version of iOS or iPadOS - Apple Support
7 Viable Ways to Fix iPad Won't Restore Issue You Will Need