Force the new 12072 update on Lumia 800 - Nokia 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 http://download.windowsupdate.com/msdownload/update/software/dflt/2012/04/oemupdate.cab.pks_98ed59ede38f0bd78d153d984fcb96e119de2ccd.cab. 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.
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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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Yup. And the Volume bug does indeed seem to have disappeared
Sent from my iPad using Tapatalk

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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!

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Thank u a lot,the bug audio disappear now

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Thanks for instructions/link.
Easy update, everything working.

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Seems that the audio bug (using the headset during a call) disappeared for me too.

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does this mess with the bootloader at all?

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can't w8 to try it~~~

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Just got the update today, Vodafone, Netherlands.
(Pre-ordered Lumia 800 from Vodafone webstore)

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Thank God for this site.. The did the links and instructions from Mobiletechworld.com and the cab sender refused to see the update.
Used the ones in this post and the update went PERFECTLY!

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bit lost what .cab file do i need to put in folder ? mine is just creating logs ?

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andy1969 said:
bit lost what .cab file do i need to put in folder ? mine is just creating logs ?
Click to expand...
Click to collapse
This one

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yep have done that dont get option to update just a message press any key to continue i do and it says reading device then a link to saved log files what am i doing wrong.

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andy1969 said:
yep have done that dont get option to update just a message press any key to continue i do and it says reading device then a link to saved log files what am i doing wrong.
Click to expand...
Click to collapse
You must extract the archive called WP7+Update+Cab+Sender.zip.
This will create a folder called the same name: WP7+Update+Cab+Sender.
Place your cab archive inside this folder, just where is located the file called WP7 Update Cab Sender.bat
Run this batch file and select option number one, "S ·(S)end Cabs to device"
The update should then start.

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I PRESS S THEN ALL I GET IS BELOW MESSAGES
moving files to log directory
cleaning usless files
done
press any key to continue
so i press s nothing happens get above message again

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andy1969 said:
I PRESS S THEN ALL I GET IS BELOW MESSAGES
moving files to log directory
cleaning usless files
done
press any key to continue
so i press s nothing happens get above message again
Click to expand...
Click to collapse
Ok try this: double-clic on the folder called "Tools", then on x64 or x86 according to your configuration. Launch then the file "UpdateWP.exe".
Back in the folder "WP7+Update+Cab+Sender", double-clic on "if needed install this tool", then on "x64" (64 bits) or "x86" (32 bits) according to your config. Finaly, launch "Setup-UpdateWP-x64/x86.exe".
Votre ordinateur est paré pour la mise à jour.

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Just did my second cab sender update. Why are operators so slow when it comes to these things? I mean, it's a minor update, isn't it? Thank you.
PS: I had someone call me while listening to music; no longer shock therapy. Everything seems fine now

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Thank you for the easy to follow post on how to update.
Having too tried to follow instructions posted elsewhere, and failed, managed to update quickly and easily this time.

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does forcing this update wipe all your apps/messages etc?