If your phone is stuck in a "Nokia" logo loop or refuses to update via official methods, you may need to use to flash the firmware.
The V15.09 firmware update represents one of the final, most stable software iterations released for the . Running on Nokia’s proprietary Series 40 platform, this update stabilizes the 1GHz processor performance, resolves intermittent Wi-Fi and 3G connectivity drops, fixes application crashes, and updates internal security protocols. Core Flash File Details nokia asha 302 software update 15.09 download
This is the simplest method and does not require a computer. Note that due to the age of the device, Nokia's official update servers may no longer be active. Go to > Phone > Device Updates . Select Download phone software . If your phone is stuck in a "Nokia"