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How to Soft Reset — NIU Niutek 4.0D
How to Soft Reset — NIU Niutek 4.0D
The NIU Niutek 4.0D is a 2013 Android 4.2 smartphone powered by the Mediatek MT6572 (28 nm) with 256MB and 512MB internal storage. It features a 4.0", TFT, 256K colors, 480.0x800.0 display and is available in Black, Blue, Green, White, Yellow.
The Niutek 4.0D is equipped with a Li-Ion 1500 mAh, removable, a 15 MP, 720p@30fps main camera, a 3 MP front camera. The device uses a Dual SIM (Mini-SIM) configuration. It weighs 131 g.
Performing a soft restart on your NIU Niutek 4.0D is the quickest way to resolve minor performance issues, app freezes, or unresponsive touch screens without losing any data. Unlike a factory reset, a soft reset simply reboots the device and clears temporary memory, making it the recommended first step for any troubleshooting.
Does not erase any data. Always try this first.
On your NIU Niutek 4.0D: hold Power for 2 seconds
Tap 'Restart' or 'Reboot' in the menu
Wait ~30–60 seconds for the restart to complete
Force restart if frozen: hold Power for 10–15 seconds until screen goes black
Device reboots automatically — no data is lost
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