If you are uncomfortable with command-line or legacy tools, consider using a professional box like or Z3X – they automate most steps and offer IMEI repair features.
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Flashing is generally safe, but you may encounter some issues. If you are uncomfortable with command-line or legacy
The progress bar will turn green once the process begins. Wait until it displays "All files complete" or a green "Done" status. : Disconnect the USB cable and power on the device. samsung gt-c3520 flash file and tool
on the keypad while connecting the phone to your PC via USB cable. Monitor Progress