The Celkon S1 is a 2014 Android 4.2.1 smartphone with 1GB and 16GB internal storage. It features a 5.0", IPS LCD, 1080.0x1920.0 display and is available in Black.

The S1 is equipped with a Li-Ion 2300 mAh battery, a 13 MP, Yes main camera, a 8 MP front camera. The device uses a Dual SIM configuration. It weighs 137 g.

A bootloop on the Celkon S1 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.