iPad Air 4(2020) Teardown-Touch ID Revive + Battery & Flex damaged! Teardown difficulty level UP. - YouTube
Review: Apple's iPad Air is a big tablet without all the baggage | Ars Technica
Amazon.com: oGoDeal A1546 Battery Replacement Kit Compatible with Apple iPad Mini 4 A1538, A1550 5124mAh with Repair Tools and Screen Adhesive : Electronics