If the device is "bricked" or you are using custom firmware like , you may need to use FEL mode: Preparation : Download the WM IoT SDK or a specialized flashing tool like from community repositories. Boot Loop Mode : With the device , press and hold the

: It is highly recommended to "dump" (copy) your original firmware using the flashing tool before applying any updates in case you need to revert.

: The official ZEEWEII site provides manuals, but community-driven projects like ZeeTweak on GitHub often offer more advanced functionality.

Troubleshooting

Change the language to (usually the third option in the top-left menu). Set the "Chip" type to W80X . Select your firmware .fls image file. Enter Bootloader/Serial Mode: Turn off the oscilloscope.

: If you upgrade to certain versions (like V1.3.0C), you may also need to update the FPGA firmware to avoid "AUTO" button issues.

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