Yes. Use mode in SP Flash Tool. Do not format. This will overwrite corrupted system partitions while keeping your EFS (IMEI) intact.
Using the wrong firmware can permanently hard-brick your device. The Sunny 5 has several regional variants. To find your exact build, follow these steps: wiko sunny 5 w-k380 firmware
: Open the flashing tool and load the .pac (firmware) file . wiko sunny 5 w-k380 firmware
: Spreadtrum/Unisoc USB drivers installed on a Windows PC (Windows 7/8/10). : Flashing will erase all user data . Back up your files if the device still powers on. wiko sunny 5 w-k380 firmware