So Battery Faulty. APPLE OS 12.5. Works Fine 100% If You Leave It Plugged In.

Brand: Apple
Storage Capacity: 16 GB
Screen Size: 9.7 in
Type: Tablet
Internet Connectivity: Wi-Fi + 4G
Series: Apple iPad Air 1st Generation
Model: Apple iPad Air 1st Generation A1474
Colour: Space Grey
MPN: A1475
Battery Run Time: POOR