Can I install a 4.2.2 rom while on 4.4.4?

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lankyboy29

Senior Member
Dec 21, 2012
86
5
baton rouge
Hello all,
First off let me share what I am trying to achieve then the question. I am on a VS 980 device, had verizon and switched to tmobile....yay.

Next, I am on a 4.4.4 rom specifically Slimkat [build 7.6] here:
http://xdaforums.com/showthread.php?t=2608271

I wish to flash a rom that includes wifi calling, [ the rom is a 4.2.2 base] Specifically here:
http://xdaforums.com/showthread.php?t=2606868

Question's are:
How and what do I need to do, before flashing this, without bricking?

If, there is a easier method ... such as flashing a tmobile rom and then a VS980 kernel ... could someone point me in the right direction.

Lastly,
Thanks.
 

es0tericcha0s

Senior Member
May 6, 2010
4,417
878
mobilemojo5280.com
Hello all,
First off let me share what I am trying to achieve then the question. I am on a VS 980 device, had verizon and switched to tmobile....yay.

Next, I am on a 4.4.4 rom specifically Slimkat [build 7.6] here:
http://xdaforums.com/showthread.php?t=2608271

I wish to flash a rom that includes wifi calling, [ the rom is a 4.2.2 base] Specifically here:
http://xdaforums.com/showthread.php?t=2606868

Question's are:
How and what do I need to do, before flashing this, without bricking?

If, there is a easier method ... such as flashing a tmobile rom and then a VS980 kernel ... could someone point me in the right direction.

Lastly,
Thanks.

You shouldn't have any issues with that. Just make a nandroid backup in case you want to go back to it. But that 4.2.2 rom is basically a T-Mobile rom with the VZW kernel anyway.
 
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    Hello all,
    First off let me share what I am trying to achieve then the question. I am on a VS 980 device, had verizon and switched to tmobile....yay.

    Next, I am on a 4.4.4 rom specifically Slimkat [build 7.6] here:
    http://xdaforums.com/showthread.php?t=2608271

    I wish to flash a rom that includes wifi calling, [ the rom is a 4.2.2 base] Specifically here:
    http://xdaforums.com/showthread.php?t=2606868

    Question's are:
    How and what do I need to do, before flashing this, without bricking?

    If, there is a easier method ... such as flashing a tmobile rom and then a VS980 kernel ... could someone point me in the right direction.

    Lastly,
    Thanks.

    You shouldn't have any issues with that. Just make a nandroid backup in case you want to go back to it. But that 4.2.2 rom is basically a T-Mobile rom with the VZW kernel anyway.