The Spice Stellar 509 (Mi-509) is a 2014 Android 4.4.2 smartphone powered by the Mediatek MT6582M (28 nm) with 1GB and 4GB internal storage. It features a 5.0", IPS LCD, 480.0x854.0 display and is available in White.

The Stellar 509 (Mi-509) is equipped with a Li-Ion 2000 mAh battery, a 8 MP, 720p@30fps main camera, a 2 MP front camera. The device uses a Mini-SIM configuration. It weighs 120 g.

A bootloop on the Spice Stellar 509 (Mi-509) 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.