DX5 II Firmware Rollback Tool Guide

Applicable Versions

This rollback tool must be used when the current firmware is V2.46 or later and you need to downgrade to V2.39 or earlier.

Instructions

1. Follow the standard DX5 II firmware update procedure to install:
   DX5 II FW Rollback Tool for V2.46 and Later.Topping

2. Wait for the update to complete and for the device to recognize the USB drive again.

3. Confirm that the firmware version displayed on the device is V5.55.

4. Follow the standard firmware update procedure to install the required V2.39 or earlier firmware.

Important Notes

1. V5.55 is an intermediate firmware used only for rollback. It is not the final firmware version.

2. Do not install the older firmware until the device displays V5.55.

3. This rollback tool is not required for normal firmware updates.

4. Do not disconnect the power or remove the USB drive during the firmware update.
