The BLU Dash L4 is a 2017 Android 6.0 smartphone powered by the Mediatek MT6570 (28 nm) with 512MB and 8GB internal storage. It features a 4.0", IPS LCD, 480.0x800.0 display and is available in Black, Gold, Rose Gold, Silver, Red.

The Dash L4 is equipped with a Li-Po 1700 mAh, removable, a 5 MP, 720p@30fps main camera, a 2 MP front camera. The device uses a Dual SIM (Mini-SIM/Micro-SIM) configuration. It weighs 119 g.

A bootloop on the BLU Dash L4 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.