: Download and extract the Flash Loader 7.5.4 CSC v0.2 and the corresponding firmware for your region (e.g., C3520XXKJ7).
To successfully flash your device, follow these steps as outlined by mobile repair experts: c3520 flash loader 75 4 csc v02 citrus 218l link
Click and browse to the CSC folder to select the configuration file specific to your carrier or region. Initiate Flashing : Click START in the loader. Remove the phone battery and reinsert it. Press and hold Buttons 1 + 2 simultaneously. : Download and extract the Flash Loader 7
: Ensure the phone has at least 50% charge to prevent the device from turning off mid-process, which can cause a permanent brick. C3520XXKJ7). To successfully flash your device