NOTE:
Only a few devices can bypass with a signal 10 / 20% if there's an error on registration means you can not use Lu wifi for bypass without a signal 

iPad Air (Cellular)
iPad Air 2 (Cellular)
iPad mini 2 Gen (Cellular)
iPad mini 3 Gen (Cellular)
iPad mini 4 Gen (Cellular)
iPad Pro 1nd Gen (9.7 inch) (Cellular)
iPad Pro 1nd Gen (9.7 inch) (Cellular)
iPad Pro 1nd Gen (12.9 inch) (Cellular)

1. Check your device

2. Click activated

3. After you get message supported then upload your SN

4. Reconnect phone and click Activate

https://mega.nz/folder/R8By0ZiK#4YM_HLtYjq5d3lK-ot1pLg

? Windows & MacOS
? Fixed 6S-X Signal
? Instant

✅ Signal
✅ iCloud
✅ Reboot
✅ iMessage
✅ Apple Pay
✅ App Store
✅ Skip Setup
✅ Built-in JB
✅ iOS12-16 Supported
✅ Notifications/FaceTime
✅ Lock OTA & Erase options