Stock firmware are generally needed to either upgrade your Lumia 640 or flash the telephone to right for certain software issues or malfunctions on the phone. Here on this page I convey contained the download link for the consummate Lumia 640, for RM-1109 latest flash files/firmware which tin last used to flash your Lumia 640.
Please, banker's complaint that you lot tin exclusively flash your Lumia telephone using its right RM-Number.
Flashing a Lumia telephone using incorrect RM-Number may destroy the phone.
Example:
Windows Lumia 640 amongst RM-1091 is non the same equally Windows Lumia 640 amongst RM-1090 or RM-1092 therefore, their flash files firmware cannot last used interchangeably.
How to Download Latest Firmware too Flash Lumia 640 amongst RM-1090, RM-1091 or RM-1092
1. Download Windows Device Recovery Tool from here too install it on your PC.2. Download your Lumia 640, RM-1109 from here.
3. Move the downloaded firmware into a folder on your PC too advert the folder just equally RM-1109. This is to ensure that you lot are able to flash the telephone using whatever Nokia Lumia Windows Phone service tools.
4. Now, navigate to Windows Device Recovery Tool folder on your PC.
For Windows 32bit users:
and
C:\Program Files\Microsoft Care Suite\Windows Device Recovery Tool
Windows 64bit users:
C:\Program Files(86)\Microsoft Care Suite\Windows Device Recovery Tool
5. From inside the Windows Device Recovery Tool folder, click on an empty infinite too so press Shift + Right-Click. From the options, direct Open Command Window here.
6. Now, Put off your Lumia 640 or take away battery from it too re-insert the battery then, connect your Windows Mobile Phone to the PC.
7. Now, move inwards this ascendency business into the ascendency prompt:
too striking the Enter Key on your keyboard.
thor2 -mode uefiflash -ffufile "C:\the place of the ffu\file name.ffu" -do_full_nvi_update -do_factory_reset
E.g
thor2 -mode uefiflash -ffufile "C:\Program Files\Common Files\Nokia\DataPackage\Products\RM-1010" -do_full_nvi_update -do_factory_reset
8. Almost immediately, Windows volition notice your telephone too the flashing sequence volition commence. Your device volition at nowadays last flashed. Once the flashing performance is complete, the device covert volition flash greenish briefly.
9. Now, type inwards the ascendency prompt:
thor2 -mode rnd -bootnormalmode
This ascendency volition reboot your telephone too you lot may so disconnect the device from the PC too consummate the proper setup from your end.