Tutorial - Flash an Lumia device (ROM's download)

Utilization of the NaviFirm+ software

The ROMs are available on the servers belonging at Microsoft, under form of FFU file, you can download them in different ways. The NaviFirm+ software is particularly used to access these servers. In its free version, this software allows download only the latest version of the ROM on servers, this in according to an input information called product code.

1. Access to the ..\Lumia Flash_Tool\NaviFirm+ directory and execute the NaviFirmPlus.exe program (1).
   
   
2. The NaviFirm Plus window appears and also an superimposed window Account Setup. As for this tutorial a free account is more than enough, simply click on theCancel button if you don't have a paid account (2).
   
   
3. Enter the product code that you have chose in the intended zone for this effect,(or click here for your device product code) then press the Enter key on your keyboard (3). Click on the Unmark All button (4), and select only the FFU file identifiable by his *.ffu extension (5).
   
   
   
4. Click on the Download button (6).
   
   
5. Thus, the FFU file that you have select is progressively downloaded.
   
   
6. Wait the complete end of the download, thus the FFU file should be totally in green color. If it was not correctly downloaded, it will red color, then repeat the download.
   
   
7. This part of this tutorial being finished, you can henceforth follow the fourth part written below.