The vivo NEX 3 5G is a 2019 Android 9.0 smartphone powered by the Qualcomm SM8150 Snapdragon 855+ (7 nm) with 12GB | 8GB and 256GB internal storage. It features a 6.9", Super AMOLED, HDR10, 1080.0x2256.0 display and is available in Black, Blue.

The NEX 3 5G is equipped with a 4500 mAh, non-removable, a 64 MP, 4K@30fps, 1080p@30/60/120fps, 720p@960fps, gyro-EIS main camera, a 16 MP, 1080p@30fps front camera. The device uses a Nano-SIM + Nano-SIM configuration. It weighs 218.5 g.

A bootloop on the vivo NEX 3 5G 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.