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How to Fix Black Screen — NIU Niutek 4.0D
How to Fix Black Screen — 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.
A black screen on the NIU Niutek 4.0D can occur due to a drained battery, a software crash, or the screen becoming unresponsive. In most cases this can be resolved with a force restart or a short charging period without any data loss. Follow the steps below in order before considering a factory reset.
On your NIU Niutek 4.0D: charge for 30+ minutes with a different cable and charger
Hold Power for 15–20 seconds
If still black: hold Power + Volume Down for 10 seconds
Try holding Power + Volume Up to enter Recovery Mode
In Recovery: select 'Reboot system now'
If Recovery loads: wipe cache partition then reboot
Last resort: factory reset from Recovery — erases all data
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