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.

Hard resetting your NIU Niutek 4.0D via Recovery Mode will completely wipe all data, apps, accounts and settings, restoring the device to its original factory state. This is commonly used to fix persistent software issues, boot loops, prepare the phone for sale, or recover from a forgotten screen lock. Back up your data before proceeding as this cannot be undone.

All data will be permanently erased. Back up first.