Blu.1306720wrz.rar

Ensure the MediaTek (MTK) or relevant USB drivers are installed on your PC.

Most BLU devices use the SP Flash Tool . You would load the "Scatter" file from the extracted folder into the tool.

If you are planning to use this file to repair a device, the process usually looks like this: BLU.1306720WRZ.rar

A text file that tells the flashing tool (like SP Flash Tool) where to install each part of the software.

Necessary files to help your computer "talk" to the phone while it's in a special service mode. Usage Instructions (General) Ensure the MediaTek (MTK) or relevant USB drivers

Flashing the wrong firmware can permanently damage ("hard brick") your phone. Always double-check that your specific model number matches the one intended for this file before proceeding.

The actual operating system data (system, boot, recovery, etc.). If you are planning to use this file

Turn off the phone and connect it to the PC (sometimes while holding a volume button) to begin the update.