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Coming back from 4.4

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blackwrx02
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Default Coming back from 4.4

Is it possible to come back from a 4.4 rom to say 4.2 or 4.3 stock ROM? Can I ODIN back?

Currently not able to get MMS/Group messaging to work on the current 4.4 rom. Tried updating modem, adjusting settings...still no luck and I need it for work. Appreciate any help
 
audit13
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Which phone do you have?
 
blackwrx02
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Which phone do you have?
AT&T S3
 
ChinDaChin
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You can go 4.4 -> 4.3. However, you cant get the unrooted stock rom of 4.3, since Samsung/AT&T didn't ever release to the public (It was all OTA).

If you went 4.2->4.3 OTA, then your bootloader was upgraded. As you've seen on these forums, downgrading from 4.3 to 4.2/4.1 is a big no-no unless you want a brick.

Example:
4.2 ---(OTA UPGRADE)--> 4.3.
Rooted+cyanogen 4.3
cyanogen 4.3-> cyanogen 4.4
cyanogen 4.4-> cyanogen 4.3
cyanogen 4.3
( ^ what I have done)

NOTE: After I got the OTA, I have never tried going back to stock. You can use rooted roms that are CLOSE to stock. But I wouldn't suggest going stock because of knox and blah blah blah.
 
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Were you ever on stock AT&T 4.3? If you were, your bootlaoder was probably updated so you can't install an older bootloader. You can load a older AT&T ROM using mobile Odin which does not flash a bootloader or modem.
 
blackwrx02
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I never went to 4.3...straight from 4.2 to 4.4
 
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Were you ever on stock AT&T 4.3? If you were, your bootlaoder was probably updated so you can't install an older bootloader. You can load a older AT&T ROM using mobile Odin which does not flash a bootloader or modem.
So I could go back to a 4.2 TW rom if I was never on 4.3 OTA? (or any 4.3 for that matter)
 
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So I could go back to a 4.2 TW rom if I was never on 4.3 OTA? (or any 4.3 for that matter)
Yes, you just need to find a stock AT&T ROM that is flashable in Odin.

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