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Wanting to upgrade my 4.2.2 Rooted Stock?

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Join Date: Mar 2013
Question Wanting to upgrade my 4.2.2 Rooted Stock?

Hi, I have a 4.2.2 Rooted Stock Rom running on my T-Mobile S4 at the moment (been rooted since June and never upgraded to any ROMS since root was still fairly new to the phone back then), and I was looking at all these ROMS and I want to upgrade to Wicked, Avatar, or XTREMEPERIA S4 ROM...BUT I'm pretty sure I need to do something before I do that. I already have ClockworkMod Recovery v6.0.3.2 installed, and I read in one of the ROM threads that I need to install a MK2 modem or something? I'm lost and I don't want to ruin my phone :/ I already backed everything up using MyBackup Pro, and using ClockworkMod.

Here's some information about my phone that will hopefully be helpful:

Baseband version: M919UVUAMDL
Kernel version: 3.4.0-440244
Build number: JDQ39.M919UVUAMDL

Please help, I really want to use the awesome ROMS I listed above.

Thanks in advance.
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Join Date: Feb 2012
Location: Los Angeles
If you follow these instructions:

your modem would be upgraded to mk2 which works well with 4.3 roms like Wicked v10.

Sent from my SGH-M919 using XDA Premium 4 mobile app

---------- Post added at 04:09 AM ---------- Previous post was at 04:06 AM ----------

If you follow these instructions:

You will upgrade your modem to NB4 which works well with 4.4 ROMs like insane kit Kat.

Sent from my SGH-M919 using XDA Premium 4 mobile app
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