The Samsung Galaxy S Duos 3 is a 2014 Android 4.4.2 smartphone with 512MB and 4GB internal storage. It features a 4.0", TFT, 480.0x800.0 display and is available in Black, Gray.

The Galaxy S Duos 3 is equipped with a Li-Ion 1500 mAh, removable, a 5 MP, 720p@30fps main camera. The device uses a Dual SIM (Micro-SIM, dual stand-by) configuration. It weighs 124 g.

A bootloop on the Samsung Galaxy S Duos 3 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.