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Force the new 12072 update on Lumia 800

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ybregeon's Avatar
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Location: La Valette du Var
Smile Force the new 12072 update on Lumia 800

Hi guys, if you are like me and didn't receive the new 12072 update yet, it's very easy to force it on your Lumia 800. I did it this morning, and my phone is locked and branded, and everything went well, so here is how to make it.
First, grab the update It's a cab archive, so don't extract it, just leave it as it is.
Then download this tool and install the x32 or x64 version according to your configuration.
Now download this one and simply extract it in a folder. Connect your Lumia to Zune and wait for the sync process to end. Close Zune. Put the .cab file in the same folder than the tool called WP7 cab sender, at the root of the file "WP7 Update Cab Sender.bat", it's important.
Launch the batch file "WP7 Update Cab Sender.bat", an msDos window should open, asking you to choose a letter for an option: choose the option of your choice but don't forget to make a backup before installing the new update.
Then you only have to wait for the backup / update to end. Don't close the MS-DOS window before the end of the process. It's done, your phone is now running the new update.
The Following 19 Users Say Thank You to ybregeon For This Useful Post: [ Click to Expand ]
Senior Member
Thanks Meter 70
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Well technically its a command prompt and not a "MSDOS" I update mine a few minutes ago. The whole procedure with backup should take about 20 minutes.
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Join Date: Mar 2012
Yup. And the Volume bug does indeed seem to have disappeared

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Junior Member
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Big Yes,

it seems to fix the volume bug, which was a big issue for me.
For the rest, I don't know; I only have had it for 5 minutes!
Senior Member
Thanks Meter 28
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Thank u a lot,the bug audio disappear now
Junior Member
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Join Date: May 2008
Thanks for instructions/link.

Easy update, everything working.
Thanks Meter 2
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Join Date: Aug 2010
Seems that the audio bug (using the headset during a call) disappeared for me too.
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Location: Mukwonago

does this mess with the bootloader at all?
My contributions:
Clean ROM for Samsung Focus v1.3, Nokia Lumia 800, and HTC HD2
Samsung Interop Unlock & Internet Sharing All-In-One for Windows Phone
Samsung Custom Theme & Accent Colors for Windows Phone
List of Windows Phone Unlocks by Type/OEM

Allstars that donated: RonV42, dark.angel

CURRENT DEVICES: HTC HD2, Nokia Lumia 800, Nokia N9, Apple iPhone 4, Nokia Lumia 920

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Thanks Meter 8
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can't w8 to try it~~~
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Join Date: Apr 2008
Just got the update today, Vodafone, Netherlands.
(Pre-ordered Lumia 800 from Vodafone webstore)
Nokia 3310 ~ Sony Ericsson T68(i) ~ HTC Touch HD ~
Nokia E71 ~ Nokia Lumia 800 ~ Nokia Lumia 925

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