: Click the Gear icon (Load Packet) and select the B310EJPNE1_OJPNE1.pac file from your extracted folder. Ready the Phone : Turn off the phone and remove/re-insert the battery.
While holding the Center button, connect the phone to your PC via USB cable.
You will need to download and extract three main files (often bundled in a single .rar or .zip file): Download B310EJPNE1 OJPNE1 rar
Interrupting the flashing process or using the wrong firmware version can permanently damage your device (hard brick).
Press and hold the (the boot key for SM-B310E). Connect & Flash : : Click the Gear icon (Load Packet) and
: Unpack the downloaded .rar archive to a folder on your desktop.
: Ensure the phone's battery is charged (at least 50%) to prevent it from turning off during the flash. You will need to download and extract three
: Use WinRAR or 7-Zip to unpack the .rar file. 3. Installation Steps (Using SPD Upgrade Tool)