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[Q] HELP to REVERT Stock firmware (Recovery)

OP marekaq

11th May 2014, 01:43 AM   |  #1  
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Hello, actually on my P6 I have Omni Rom 4.4.2 (this one http://forum.xda-developers.com/show....php?t=2673839 )

I have some hardware problems with my device so I want to send it in WARRANTY, so now I need to return on stock firmware and revert to a stock boot+recovery+rom

Is this the right way to REVERT all to stock? :

1. I need a boot.img (a stock one, I think B118, it is a good rom for warranty?) <---- where to find it
2. I need a recovery.img (a stock one, B118? ) <---- found this (http://www.androidfilehost.com/?fid=23252070760973625 )
3. I downloaded a stock rom B118 on my SD (dload/update.app)
4. Have I to UNROOT my device?

Thank you very much
Last edited by marekaq; 11th May 2014 at 02:47 AM.
11th May 2014, 06:42 AM   |  #2  
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http://forum.xda-developers.com/show....php?t=2709607 check this.
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11th May 2014, 07:11 PM   |  #3  
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Thumbs down FAIL to revert
Quote:
Originally Posted by tileeq

http://forum.xda-developers.com/show....php?t=2709607 check this.

Very fast & usefull installer, but I can't to revert to a stock firmware.

Now I've installed a Custom CyanogenMod unofficial on TWRP, no problems with zip firmware update or downgrade, but actually impossibile to install an official update/downgrade (update.app)

Dowloaded a stock B118
inserted it on SD in dload folder
rebooting (vol+)+(vol-)+power
initially has started the flashing process, but after a second appair FAIL...

any suggestion?
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Mr.DonDroid
11th May 2014, 07:38 PM   |  #4  
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Quote:
Originally Posted by marekaq

Very fast & usefull installer, but I can't to revert to a stock firmware.

Now I've installed a Custom CyanogenMod unofficial on TWRP, no problems with zip firmware update or downgrade, but actually impossibile to install an official update/downgrade (update.app)

Dowloaded a stock B118
inserted it on SD in dload folder
rebooting (vol+)+(vol-)+power
initially has started the flashing process, but after a second appair FAIL...

any suggestion?

You need to flash stock recovery image to be able to install stock ROM by dload method.
11th May 2014, 07:52 PM   |  #5  
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Quote:
Originally Posted by marekaq

Very fast & usefull installer, but I can't to revert to a stock firmware.

Now I've installed a Custom CyanogenMod unofficial on TWRP, no problems with zip firmware update or downgrade, but actually impossibile to install an official update/downgrade (update.app)

Dowloaded a stock B118
inserted it on SD in dload folder
rebooting (vol+)+(vol-)+power
initially has started the flashing process, but after a second appair FAIL...

any suggestion?

To reverd from KitKat to Jelly Bean first install that: https://mega.co.nz/#!9oEHUTiR!uVKEq6...QZ5yrnedx4rug4 via dload folder, after that install 4.2.2 stock firmware again via dload folder. That is a middle step, without it you can't downgrade from KitKat to Jelly Bean.
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12th May 2014, 12:33 AM   |  #6  
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Quote:
Originally Posted by Mr.DonDroid

You need to flash stock recovery image to be able to install stock ROM by dload method.

of course I did it
12th May 2014, 12:36 AM   |  #7  
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Try downgrading to B132 instead of B118

Sent from my P6-U06 using xda app-developers app
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12th May 2014, 12:59 AM   |  #8  
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Talking it worked
Quote:
Originally Posted by alex.79

To reverd from KitKat to Jelly Bean first install that: https://mega.co.nz/#!9oEHUTiR!uVKEq6...QZ5yrnedx4rug4 via dload folder, after that install 4.2.2 stock firmware again via dload folder. That is a middle step, without it you can't downgrade from KitKat to Jelly Bean.

Alex you are the BEST.

It worked very well.

So thank you very much for helping.

Cheers
12th May 2014, 01:01 AM   |  #9  
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Quote:
Originally Posted by tileeq

Try downgrading to B132 instead of B118

Sent from my P6-U06 using xda app-developers app

good idea, but I tried it before and nothing... it worked updating this one: P6联通 EMUI2.0 回退中转包

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