[Q] Looking for Stock 4.4.2 for AIO/CRICKET

I have searched everywhere with no luck. My I337Z was 4.4.2 (after OTA) working well, no root, no unlock. Suddenly IMEI and Baseband go null. So what I did first was to restore it to factory settings, which didnt work and also some native apps like Contacts stopped working (not opening). I tried to restore it through KIES, it put my phone in Emergency mode, no escape there...I then went to the Factory files http://ift.tt/1vSE4tP which got my phone back to 4.2.2 and working...but still no Signal nor IMEI nor Baseband. I flashed MODEM and now it doesn't have any sound, wifi either....I went through KIES again and was able to catch the files it downloads when initializing the device, flash the System, MODEM and CSC, but same results and it is still on 4.2.2. Also when trying to flash Bootloader I get FAIL(Auth) code (I suppose because my BL is not unlocked)



My request:

I am thinking if someone can make a backup of System partition, I could put it into my phone as RESTORE through TWRP (not installed yet) I might be able to revive this device.



Suggestions are welcome!! Thanks!!!

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