The vivo Y300 GT is a 2025 Android 15, OriginOS 5 smartphone powered by the Mediatek Dimensity 8400 (4 nm) with 12GB | 8GB and 256GB | 512GB internal storage. It features a 6.8", AMOLED, 1B colors, 144Hz, HDR, 5500 nits (peak), 1260.0x2800.0 display and is available in Black, Gold.

The Y300 GT is equipped with a Si/C Li-Ion 7620 mAh, a 50 MP, 4K, 1080p, gyro-EIS, OIS main camera, a 16 MP, 1080p@30fps, gyro-EIS front camera. The device uses a Nano-SIM + Nano-SIM configuration. It weighs 212 g.

A bootloop on the vivo Y300 GT occurs when the device repeatedly restarts without fully loading Android. This is commonly caused by a failed software update, corrupted system files, or an incompatible app. Most bootloops can be resolved without losing data by clearing the cache partition first before attempting a factory reset.

Factory reset may be needed as a last resort — erases all data.