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How to Fix Black Screen — TCL 20B
How to Fix Black Screen — TCL 20B
The TCL 20B is a 2021 Android 11, TCL UI smartphone powered by the Mediatek MT6762 Helio P22 (12 nm) with 4GB and 64GB internal storage. It features a 6.5", IPS LCD, 720.0x1600.0 display and is available in Gray, Violet.
The 20B is equipped with a Li-Po 4000 mAh, a 50 MP, 1080p@30fps main camera, a 8 MP, 1080p@30fps front camera. The device uses a Nano-SIM + Nano-SIM configuration. It weighs 178 g.
A black screen on the TCL 20B 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 TCL 20B: 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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