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How to Fix Black Screen — Oscal Tank 1
How to Fix Black Screen — Oscal Tank 1
The Oscal Tank 1 is a 2025 Android 15, up to 2 major Android upgrades, DokeOS 4.2 smartphone powered by the Mediatek Dimensity 7050 (6 nm) with 12GB | 16GB and 256GB | 512GB internal storage. It features a 6.8", IPS LCD, 120Hz, 700 nits, 1080.0x2460.0 display and is available in Black, Orange.
The Tank 1 is equipped with a 20000 mAh, a 4K@30fps, 1080p@60fps main camera, a 50 MP, 4K@30fps, 1080p@60fps front camera. The device uses a Nano-SIM + Nano-SIM configuration. It weighs 640 g.
A black screen on the Oscal Tank 1 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 Oscal Tank 1: 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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