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Downgrade possible?

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s_m_a_s_h
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Default Downgrade possible?

I'm currently on Biftor ROM (a 4.1.2 ROM) but would like to try out a 4.4.2 ROM.

If I flash the 4.4.2 ROM is it easy to revert back with a nandroid, I ask as I am aware past 4.2 there are file locations differences etc and downgrading/upgrading from such can be problematic and 'things can go a miss' or dir's multiplied.

I don't want to revert back to 4.1.2 and find a host of file dir that weren't there before or mixed up dir's or a corrupt dir/file system(s).

As for 4.3 and 4.4 ROM's I am unsure if they suffer the same problems as 4.2.

I haven't flashed an alternative ROM in ages and even then never past 4.1.2.

Any advice?

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smash'n

SGS2 GT-I9100
 
keithross39
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(Last edited by keithross39; 16th January 2014 at 10:42 PM.)
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I've seen comments where people say they've gone from custom 4.2.2 to 4.4 without flashing back to stock, so I can't see a reason why you go directly from 4.1.2 to 4.4.2.....
The only thing to watch for is you more than likely will have to flash the latest cwm before you start. Older cwm's give 'status 7 installation aborted' messages if they're used to flash custom KK.........
that shouldn't be a problem though...... @infected_s KK builds link you to the latest cwm in the OP.......
As always.....read the OP in full and probably the last 10 pages of comments on the dedicated threads so that you are familiar with the flash instructions and have an idea of the issues (if any) that the ROMs users are facing.......

This might be my S2 or it might be my W, but it's definitely CM...
 
Donnie Sins
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But I thought he was asking for downgrading, not for upgrading.. (Not that I know the answer, as I also never gone further than 4.1.2.)
 
keithross39
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Lol....second line of the OP....hr wants to try out 4.4.2....

This might be my S2 or it might be my W, but it's definitely CM...
 
Donnie Sins
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Quote:
Originally Posted by keithross39 View Post
Lol....second line of the OP....hr wants to try out 4.4.2....

This might be my S2 or it might be my W, but it's definitely CM...
Yes I know, he wants to upgrade to 4.4, but only if it is possible to downgrade afterwards Right?
 
s_m_a_s_h
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Quote:
Originally Posted by keithross39 View Post
Lol....second line of the OP....hr wants to try out 4.4.2....

This might be my S2 or it might be my W, but it's definitely CM...
Right ))

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s_m_a_s_h
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Originally Posted by Donnie Sins View Post
Yes I know, he wants to upgrade to 4.4, but only if it is possible to downgrade afterwards Right?
Right )) so is it possibly to downgrade to 4.1.2 if I don't like 4.4.2, without problems to dir's etc once reverted back to 4.1.2?

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keithross39
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I'd definitely advise using @hawkerpaul's ROM and kernel nuke scripts.....and I'd probably try to get an older CWM flashed before flashing the 'older' ROM too......the older CWM is not compatible with KK, so is it possible that the newer CWM is not compatible with pre KK ROMs?.....I don't know the answer to that, but I personally wouldn't risk it......

This might be my S2 or it might be my W, but it's definitely CM...
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Vivek_Neel
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Quote:
Originally Posted by s_m_a_s_h View Post
Right )) so is it possibly to downgrade to 4.1.2 if I don't like 4.4.2, without problems to dir's etc once reverted back to 4.1.2?

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smash'n

SGS2 GT-I9100
I did not have any problem restoring my nandroid back up of 4.1.2

What I do

Full wipe
Then restore

Works well

Sent from my GT-I9100 using Tapatalk 2

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