Flashing can erase all user data and carries a risk of permanently damaging the phone if interrupted. How to Install and Flash (General Process) Download and Extract: Download the C3520 Flash Loader 7.5.4.20csc 20v0.2 Citrus Lite Zip package and extract it to your desktop. Install Drivers:
: Click SET MODEL , select the configuration file (e.g., C3520_Citrus_Setting_v00.mdl ), and click Open. Load Firmware : Click Main Partition and browse for the main firmware file. Flashing can erase all user data and carries
Hold the buttons (or the specific key combo for your region) while connecting the USB cable. Load Firmware : Click Main Partition and browse
: Extract the downloaded ZIP file and run the executable (often named bfloader.exe Model Selection : Click on and select the configuration file, typically named C3520_Citrus_Setting_v00.mdl Load Firmware Main Partition and browse for your specific firmware file (e.g., You lose any remaining warranty
If your device fails after using “Extra Quality” tools, the manufacturer will refuse service. You lose any remaining warranty.