Instructions to restart, reboot, unfreeze or unblock NIU devices

How to reboot, unfreeze, unblock, or unlock a NIU brand device without losing personal data, documents, photos, settings and device content.

Do a "soft reset" if your device has been frozen in an application and is not responding.

Find your NIU device model and find the steps to restart it without losing information, be it a mobile phone, tablet, smartwatch or activity bracelet.

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 3G 3.5 N209 NIU Niutek 3G 3.5 N209
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 Niutek 3.5D2 NIU Niutek 3.5D2
NIU Tek 4D2 NIU Tek 4D2
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