: Because these tools often come from community forums, scan the .rar file with Windows Security or similar tools before extracting.
Set the "Upgrade Type" to or "Dump" to ensure a full overwrite.
: A compressed file format that typically bundles the firmware, the loader software, and occasionally a manual . General Recovery Procedure
: A utility (like the Upgrade Download Tool ) used to send the dump file from a PC to the device.
: Ensure the dump is specifically for your hardware version. Using a 4MB dump on a device with a different flash size (e.g., 8MB) will fail.