Instructions to reset, factory reset, factory reset or restore Tianyu devices

How to reset, reset, factory reset, factory reset on Tianyu devices step-by-step, instructions for formatting and deleting all content on Tianyu brand devices.
Resetting a Tianyu is very simple by following the correct steps, find your model and find a way to perform the reset step-by-step. Performing a factory format or reset is very useful when you want to sell or give away your mobile device, or it works very slowly due to lack of space.

Tianyu U86 Tianyu U86
Tianyu D187 Tianyu D187
Tianyu E650 Tianyu E650