TUTORIAL - HOW TO FLASH ALL LUMIA DEVICE

Prerequisites

To accomplish this tutorial, you must get different prerequisites. Thus, all that will be required is mentioned below.

• You must determine the product code that is appropriate to your Lumia device. To do this, it is imperative to refer at the Annex - Additional informations.
• You must download the LumiaFlashTools.zip archive (uploaded on XDA-Developers servers). If this download Web link doesn't work, you can access at this official mirror download Web link (uploaded on Dev-Host servers).
• You must have an Lumia device incorporating Windows Phone 8 or later as operating system.
• You must have an PC incorporating Windows 7 (x86 or x64) or later as operating system.

Decompression of the archive

You must decompress, with an software intended for this usage, the LumiaFlashTools.zip archive that you have previously downloaded. Once that this decompression is done, you will have access at the LumiaFlashTools folder containing:

• the Driver subfolder;
• the NaviFirm+ subfolder;
• the WPID subfolder.

Installation of the required driver

For that your PC detects your Lumia device, it is necessary to install what is called a driver. This is indispensable for that your PC and your Lumia device can communicate and interact together (interoperability).

1. The driver that we will install, required so that your PC detects your Lumia device, being non-digitally signed, you must performed an manipulation that aims to temporarily disable driver signature enforcement. To do so:
   
   
   • if your PC is equipped of Windows 7, follow this tutorial;
   • otherwise, if your PC is equipped of Windows 8 and higher, follow this tutorial.
2. Once that the disable driver signature enforcement is performed, you must access to the ..\LumiaFlashTools\Driver directory and execute the Install.bat batch file (1).
   
   
   
3. The Device Driver Installation Wizard window appears. Click on the Next button (2). The Installation of the driver begins. If the Windows Security window appears showing the Windows can't verify the publisher of this driver software message, click so on the Install this driver software anyway button (3).
   
   
   
4. The installation of the driver ends. Thus, an message tells you that it is ready to use (4). Click then on the Finish button (5).
   
   
   
5. This part of this tutorial being finished, you can henceforth follow the third part written below.