Flash Guide

Please download the following files:

Download the FuriOS image and unpack it. ( FuriOS Image for the FLX1) ( FuriOS Image for the FLX1s)
Linux installer download, unpack and navigate via a terminal into the directory. You can then run it via ./flash_tool. **Note, you may need to run the flash tool with elevated privileges, consider running sudo ./flash_tool.
Windows installer download, unzip and run the exe.

In SP Flash Tool perform the following:

Select the download agent: SP_Flash_Tool_v5.2228_Linux/MTK_AllInOne_DA.bin
Select the scatter file MT6877_scatter.xml: which is already in the archive for the FuriOS images that you downloaded earlier.
The image below (with different paths for your home) should correctly load the files
Under Scatter-loading file and Authentication File there is dropdown with selections "Download Only" "Format All + Download" and "Firmware Upgrade" - make absolutely sure that you have "Download Only" selected. Format All + Download will wipe your imei - do not use that in any scenarios (not even if app or prompt tells you to do that)!

{{< figure src="/image/uploads/2024/07/SP-Flash-Tool.jpg" alt="" caption="" >}}

Once your flash tool looks like the above image, turn your phone off and click the download button. ** Note that this is not downloading any files, its instructing the flash utility to move the FuriOS image files to your device. Make sure to use the "Download Only" option in the drop down menu.
This will put the flash utility in a mode waiting for your device, the terminal should look like this:

{{< figure src="/image/uploads/2025/01/waiting.png" alt="" caption="" >}}

Next plug your phone into the laptop - you may need to experiment with different cables until you find the correct USB that allows the data connection.
If everything has gone well, the flash utility will auto detect your device as it's booting and start the process. Your terminal will look like this:

{{< figure src="/image/uploads/2025/01/executing.png" alt="" caption="" >}}

All of the stages will complete, be patient. Once finished. The flash utility will indicated success.
Reboot your phone.
Complete the Startup Tour
Open up the “Console” app
Type sudo su and it will prompt you for a password. Enter your PIN from the Startup Tour
Type apt update && apt upgrade -y
Repeat the above step another 2 times
Finally, do apt dist-upgrade and reboot
It should all be good. Let us know in our telegram chat if you get stuck.