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How to Fix Black Screen — vivo X300 Ultra
How to Fix Black Screen — vivo X300 Ultra
The vivo X300 Ultra is a 2026 Android 16, OriginOS 6 smartphone powered by the Qualcomm SM8850-AC Snapdragon 8 Elite Gen 5 (3 nm) with 12GB | 16GB and 1TB | 256GB | 512GB internal storage. It features a 6.8", LTPO AMOLED, 1B colors, 144Hz, 2160Hz PWM, Dolby Vision, HDR10+, HDR Vivid, 1440.0x3168.0 display and is available in Eclipse Black, Victory Green, Silver.
The X300 Ultra is equipped with a Si/C Li-Ion 6600 mAh (International) or 6400 mAh (Europe), a 200 MP, 8K@30fps, 4K@24/30/60/120fps (10-bit Log, Dolby Vision HDR), 1080p@30/60/120/240fps, gyro-EIS, HDR10+ main camera, a 50 MP, 4K@30/60fps, 1080p@30/60fps, gyro-EIS, HDR front camera. The device uses a · Nano-SIM + Nano-SIM + eSIM (max 2 at a time) · Nano-SIM + Nano-SIM configuration. It weighs 232 g.
A black screen on the vivo X300 Ultra 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 vivo X300 Ultra: 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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