t8b
c755
c655
c745
c855
65t8b
c655 pro
75c655
4
ItemsHow do I back up my device data?
What should I do if my display screen broken?
What should I do if my screen has a line(s) or spot(s) on the display or incomplete display?
What should I do if my screen is just showing a completely black/blue/white display?
What should I do if I experience a slow response or incorrect action when touching the screen?
How can I connect my phone to a PC via a USB cable?
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