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@@ -297,22 +297,34 @@ It works on Chrome, Chromium and Edge (desktop versions), and does not require i
## Steps to flash the firmware
- Open [UVTools2](https://armel.github.io/uvtools2/) in your browser.
- Open UVTools2 and select [flash](https://armel.github.io/uvtools2/?mode=flash) mode.
- Connect your radio to your computer using a compatible USB programming cable (USB-C or Baofeng/Kenwood like double jack USB cable).
- Make sure your radio is in DFU mode (flash mode).
- Select the firmware .bin file.
- Click on Flash Firmware, then select the serial port associated with your radio.
- Make sure your radio is in **DFU mode (flash mode)**.
- Select the firmware .bin file on your computer.
- Click on `Flash Firmware`, then select the serial port associated with your radio.
- The progress bar will guide you through the flashing steps.
Once finished, your radio restart with the new firmware.
## Steps to dump or restore calibration data
[UVTools2](https://armel.github.io/uvtools2/) can also backup and restore calibration data, which is highly recommended.
[UVTools2](https://armel.github.io/uvtools2/) can also dump and restore calibration data, which is highly recommended. It’s best to create a dump right after installing F4HWN firmware, and to restore it before installing another firmware (or when returning to the stock firmware, for example).
- Make sure your radio is in normal mode.
- Select Dump Calib to dump calibration data
- Select Restore Calib to restore calibration data
### Dump
- Open UVTools2 in [dump](https://armel.github.io/uvtools2/?mode=dump) mode (or click the Dump Calib tab).
- Power on your radio in **normal mode**.
- Click `Dump Calibration Data`.
When the process is complete, click `Download calibration.dat` to save the file to your computer.
### Restore
- Open UVTools2 in [restore](https://armel.github.io/uvtools2/?mode=restore) mode (or click the Restore Calib tab).
- Power on your radio in **normal mode**.
- Select your calibration.dat file on your computer.
Click `Restore Calibration Data` and wait until the process fully completes.
## Other sources of information