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

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

NIU Niutek 3G 3.5 N209 NIU Niutek 3G 3.5 N209
NIU Niutek 3.5D2 NIU Niutek 3.5D2
NIU Tek 4D2 NIU Tek 4D2
NIU Niutek N109 NIU Niutek N109
NIU NiutekQ N108 NIU NiutekQ N108
NIU Niutek 3G 4.0 N309 NIU Niutek 3G 4.0 N309
NIU Niutek 3.5B NIU Niutek 3.5B
NIU Niutek 3.5D NIU Niutek 3.5D
NIU Niutek 4.0D NIU Niutek 4.0D
NIU Niutek 4.5D NIU Niutek 4.5D
NIU Tek 5D NIU Tek 5D
NIU Andy 5T NIU Andy 5T
NIU Andy 5EI NIU Andy 5EI
NIU Andy 4E2I NIU Andy 4E2I
NIU Andy 3.5E2I NIU Andy 3.5E2I
NIU Andy C5.5E2I NIU Andy C5.5E2I