Omega Rom v21 for Galaxy S4 I9505 Android 4.4.2 Kit Kat released

Omega Rom v21 for Galaxy S4 I9505 Android 4.4.2 Kit Kat

Based on leaked firmware XXUFNA5 Android 4.4.2 (Date: 14/01/2014)
Kernel Stock XXUFNA5
Samsung Push Service
Dolphin Jetpack
Samsung Print Service Plugin
All mods from previous Omega Kit Kat 4.4.2 versions added
Rom is Deodexed + Rooted + Zipaligned
Rom is No Full Wipe

Installation Instructions for Omega v21:
Android 4.4.2 Kit Kat firmware needs the new bootloader to work.
This mean the knox will be triggered and your warranty will be void, read more here.
If you are ok with this then continue, else get Omega v19 with android 4.3
1. Backup your device (nadroid backup, titanium backup, efs backup … etc) and save the backup to a safe place.
2. Flash the new bootloder and modems with odin
Bootloader -> BL_I9505XXUFNA5_373648_REV06_user_low_ship_MULTI_C ERT.tar.md5
Modems -> CP_I9505XXUFNA5_373648_REV06_user_low_ship_MULTI_C ERT.tar.md5
Power off device completely, then boot to download mode and flash bootloader and modems with odin like this:
Then boot to android and check if the new modem XXUFNA5 flashed ok (if wifi is not working is normal)
(If you already have the correct XXUFNA5 bootloader & modems, ignore this step)
3. Boot to Recovery –recommended TWRP, get the latest version from here ->
and flash Omega v21 and then boot to android.
You can flash without full wipe if you are coming from Omega v20 or v20.1, if not then flash with full wipe

You can download Omega v21 from Omega’s Download Center
and from your device with Omega Files Pro app.
Omega Files Pro offers two fast Direct Links with pause and resume option.

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  • Alex

    Am I doing anything wrong? I used odin 3.04 (ran as admin) flashed exactly as described above, but it’s always fail to flash in download mode. What am I missing? phone i9505 tmobile edition (baseband m919uvuamdl android 4.4.2 omega v21-xxufna5 kernal 3.4.0) what am I missing? This is the second time I try to flash bootloader or modem in download and it fails. Please help. wifi not working at all and settings (security) always fail to start. Also can’t install/uninstall apps.

    • WeZZeY

      Exactly the same problems here… i9505(unbranded edition) (Omega 21.1)

  • Hiyaaaa

    V20 didn’t work for my Galaxy S4 i9505. But for v21 it did. Thanks. I followed the instructions exactly.

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  • cynic

    mine sits at the rebooting stage with the lion and android animation, that is all that is happening, how can i fix this?

  • Besto

    I follow instructions, Omega 21.1 not boot…. Stay on Omega V19, I do not recommend installing V21.1

  • Pete

    Did all (twice) now and will no wifi. I wiped the phone completely (ie picked the wipe option during install). Don’t know what else to do… Prior to this I had Cyanogemod 11 installed and had no wifi issues.

    Any ideas how to get wifi working?

    • Peter

      Did a deep wipe (that appears to have removed the root too), installed all again and now it’s working. Will have to check if I need to re-root though!

  • WeZZeY

    testresults i9505 unbranded edition (Omega 21.1)

    Flashed multiple modems: NA1 & NA5
    Flashed multiple roms: Cyanogenmod 11 (old bootloader & modem), Pyrana V28, Foxhound 4.1 & Omega 21.1

    All roms/modems have the wifi problem except Cyanogenmod 11, possibly because it doesn’t use the XXUFNA bootloader & modem…

    Problems when using XXUFNA:
    – no wifi
    – system->security crashes
    – system->lockscreen crashes
    – app uninstall causes a reboot