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[Q] Is it possible to downgrade the SGS 4G back to Gingerbread?

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TamratAK
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Default [Q] Is it possible to downgrade the SGS 4G back to Gingerbread?

Hello all, again...

A while ago I had hep from some of you guys and upgraded a friend's Galaxy S 4G to Cyanogen Mod (more info will be below). Bu now the dude hates CM (no idea why) and he wants me to downgrade it to an original/stock firmware (Gingerbread 2.3.x). Question is, is this possible at all?

Info about the Phone:

Recovery - CWM Recovery
--------
Android Version - 4.0.4
Phone Model - SGH-T959V
Baseband Version - T959VUVKJ6
Kernel - 2.6.35.7-cyanogenmod-ICS-00169-g6747657
bryan@sluuurpy #1
Fri Oct 25 16:29:43 PDT 2013
Cyan Ver - 9-20131025-UNOFFICIAL-galaxys4gmtd
Build Date - Fri Oct 25 15:53:03 PDT 2013
Build Number - cm_galaxys4gmtd_userdebug 4.0.4 IMM76L eng.
bryan.20131025.155231 test-keys

Thanks,
 
llinkll
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Quote:
Originally Posted by TamratAK View Post
Hello all, again...

A while ago I had hep from some of you guys and upgraded a friend's Galaxy S 4G to Cyanogen Mod (more info will be below). Bu now the dude hates CM (no idea why) and he wants me to downgrade it to an original/stock firmware (Gingerbread 2.3.x). Question is, is this possible at all?

Thanks,

Hi TamratAK, I'll post a link for a thread that will help you with that.

http://forum.xda-developers.com/show....php?t=1358498
 
Doolar87
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Default CM11 downgrade

Hi Guys,

I have question connected with that topic.

I had CM9 (20131005) with CWM 5.X.X.X (don't remember detailed number). And flashed SGS4G to CM11 (20140623) with TWRP.
How to swich back to any other ROM, I've tried to flash CM9 and CM10.
Both with same results - failed on begginig (after 2 sec).
I've tried Heimdall One-Click Collection to revert it back to stock, but here I also had a problem, everything goes OK till connection, phone is in download mode but cannot connect. I have the newest java 1.7.0_45 and VS2010

Any idea how to flash another rom?

Thank in advance!
 
FBis251
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Try the one click again except try with different USB ports or different USB cables.

I have one cable that will never flash for me and one that only works on certain ports. Find a usb cable and port combination that works for you and always use that.

Once you're on gingerbread with CWM5 you'll be able to flash back to CM9/10
 
Doolar87
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Thank you FB!

Another computer, another cable and worked perfectly.
Now I'm on CM10.

It could be cable fault.
I was using cable bundled with my HOX.
Cable bundled with BB worked.
 
FBis251
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Technology is awesome when it works properly . I'm glad you're on a working setup now
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