Downgrading

AriaE132 · Jun 6, 2014

Sorry guys, I'm new to Android and all of this and i'm in a foreign country so i don't know what to do.
I have a B506 with KitKat, but i want to downgrade to B125, can anyone help me?
I know this question has probably been asked before, but i couldn't find it and i really don't know how to do this, so sorry for being a noob.

BeyondTheHorizon · Jun 6, 2014

AriaE132 said:
Sorry guys, I'm new to Android and all of this and i'm in a foreign country so i don't know what to do.
I have a B506 with KitKat, but i want to downgrade to B125, can anyone help me?
I know this question has probably been asked before, but i couldn't find it and i really don't know how to do this, so sorry for being a noob.

Flash through adb stock recovery. Put update.app B125 in dload folder on sdcard and press volume up + volume down + power button until the phone starts updating.

alex.79 · Jun 6, 2014

BeyondTheHorizon said:
Flash through adb stock recovery. Put update.app B125 in dload folder on sdcard and press volume up + volume down + power button until the phone starts updating.

This will not help.

For downgrade from B506 to B125 you will need a middle step. First flash that: https://mega.co.nz/#!9oEHUTiR!uVKEq6PYefO-p4_kJcJpHw2luWZT8QZ5yrnedx4rug4 via stock recovery, after that you will able to flash B125.

BeyondTheHorizon · Jun 6, 2014

alex.79 said:
This will not help.

For downgrade from B506 to B125 you will need a middle step. First flash that: https://mega.co.nz/#!9oEHUTiR!uVKEq6PYefO-p4_kJcJpHw2luWZT8QZ5yrnedx4rug4 via stock recovery, after that you will able to flash B125.

Not true. LOL The middle step it's a EMUI ZIP. That's so crazy. Man, don't make people follow your nonsense advice.

primo · Jun 6, 2014

BeyondTheHorizon said:
Not true. LOL The middle step it's a EMUI ZIP. That's so crazy. Man, don't make people follow your nonsense advice.

alex.79 is right, you can't downgrade directly from B506. That middle step is needed. So the nonsense advice is yours.

BeyondTheHorizon · Jun 6, 2014

primo said:
alex.79 is right, you can't downgrade directly from B506. That middle step is needed. So the nonsense advice is yours.

Trust me. I'm right, you're wrong.

alex.79 · Jun 6, 2014

BeyondTheHorizon said:
Not true. LOL The middle step it's a EMUI ZIP. That's so crazy. Man, don't make people follow your nonsense advice.

My frend don't give advice on things you are not quite clear for you. In this case nonsense advice is yours.

BeyondTheHorizon · Jun 6, 2014

alex.79 said:
My frend don't give advice on things you are not quite clear for you. In this case nonsense advice is yours.

No such step needed, you just try to make downloads with that link.

Tested without that step and all went well.

mandgeo · Jun 6, 2014

I've downgraded twice but never used that file. What is true (if i remember well) every time, at the firs boot, phone got stuck at logo. Installed the same firmware again and worked. At the second install, i think the script saw that something was not in place and did a factory reset. Maybe a factory reset should be done before downgrading.

kolembo · Jun 6, 2014

BeyondTheHorizon said:
Flash through adb stock recovery. Put update.app B125 in dload folder on sdcard and press volume up + volume down + power button until the phone starts updating.

Actually, this method works. I did not need the middle step. Just put the download update.app in the sdCard root AND in the dload folder, and then do a stock recovery boot.

In fact, I used the systems local update and got B125 no problem at all.

Sent from my HUAWEI P7-L10 using XDA Premium HD app

blueIBI · Jun 7, 2014

which stock recovery is needed to do a downgrade from kk to jb?

i'm a little confused what stock recovery to take..

there are many possible stock recoverys out there..

Sent from my P6-U06 using XDA Free mobile app

v.mohamadtaghi · Jul 18, 2014

alex.79 said:
This will not help.

For downgrade from B506 to B125 you will need a middle step. First flash that: https://mega.co.nz/#!9oEHUTiR!uVKEq6PYefO-p4_kJcJpHw2luWZT8QZ5yrnedx4rug4 via stock recovery, after that you will able to flash B125.

this is the right way to do

draven32 · Jul 23, 2014

big probelms in a downgrade

i had b507 by recicla .. to b125 and then the prolems started ... my cable disconnects original charger didn't work and the data cable gave me error 43 on compute after sercing for a solutioun returned to official kit kat and a miricle happend everything works can't return to jelly bin without those bugs to reapear .. what might be the problem .. i've wrote eaven the boot and nothing same thing .. so can't go to non of the roms from jelly bean tried b111,b125,b132 and all gave me the same thing .. now i'll stay at b511 till i find a soultion

error details .. on charger disconect after a sec or two , the other chargers work (old huawei one from a sonic a motorola charger and a non-branded one)
on calble one computer disconnects after 3 sec second atemt gabe me error 43
next computer error 43 from start

on b511 everything works

ReyTech · Apr 5, 2015

alex.79 said:
This will not help.

For downgrade from B506 to B125 you will need a middle step. First flash that: https://mega.co.nz/#!9oEHUTiR!uVKEq6PYefO-p4_kJcJpHw2luWZT8QZ5yrnedx4rug4 via stock recovery, after that you will able to flash B125.

@Alex
can u post here a new link i need this file to flash to my phone as well to update!
WBR
ReyTech.

gonzo4alls · Apr 18, 2015

Hello guys i need the recovery img too... can someone please provide i link with it please... !!

tileeq · Apr 18, 2015

Using this http://xdaforums.com/showthread.php?t=2433454 tool can get you any needed .img files from wanted firmware, supposing you have the actual file (update.app) from the firmware.

Sent from my SM-G850F

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