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.

Hard resetting your vivo X300 Ultra 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.