Instructions to reset, hard reset, factory reset or restore DTC devices

How to reset, reset, factory reset, hard reset on DTC devices step-by-step, instructions for formatting and deleting all content on DTC brand devices.
Resetting a DTC 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.

DTC GT16 DTC GT16
DTC GT21 DTC GT21
DTC LOLLY GRAND DTC LOLLY GRAND
DTC GT6U DTC GT6U
DTC GT6T DTC GT6T
DTC GT6P DTC GT6P