1.To confirm whether your using system is IOS 14.5.1 or IOS 15.0. These two systems are not stable and have BUGs. Update the system can solve the touch problems.
2.Can be upgraded to IOS 14.6 or 14.7 system.
PS: The two systems have the following BUG, please avoid using these systems.
IOS 14.5.1: With bugs like APP flashback, overheat, frame drops, and performance degradation.
IOS 15.0: With bugs like APP flashback, overheat, vibrate with sound, rings without sound.
Plz check our products on our website at https://www.bizbee.com/List.html?key=ncc+incell&sort=p You can order them directly on our website.
Plz leave my name "Doris" when you build an account on our website, so that I can offer you gifts and VIP services!
Please consult me for details, Doris Li, whatsapp/wechat +86 13651441976.