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[Q] NEED HELP! My S4 doesn't like ROMs above 4.2.2. WHY ???

OP MamaDraq

8th January 2014, 10:07 PM   |  #1  
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Hi,

It looks like my phone doesn't like ROMs above 4.2.2. All the ROMs i flashed, have a signal problem and occasionally, the WiFi doesn't work.
I've tried to change the modem but whatever version i try... i cannot change it. My baseband (XXUBMG7) is the same.
Now i have flashed via ODIN (as a last resort cause i didn't know what else to flash or try) and lost root and all, the official version available for my country (Romania) hoping for a resolution but... no chance .
As you can see in the picture... when i turn the screen on, i have no signal. Tho i can receive calls when my screen is off.
After a while my signal appears and i can make phone calls.
I can's stay like this... please help! Any suggestions ?
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8th January 2014, 10:47 PM   |  #2  
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- Install Custom recovery (CWM or Philz Touch or TWRP) with Odin
------------
- Open Odin
- Shutdown ur phone and go to Download Mode
- Untick Autoreboot
- Flash modem -> HERE via Odin (button PDA/CP)
- Take the battery off and put it in again
- Reboot into Download Mode using (Vol Down plus Home button combi) again
- Flash Modem once more
- Once done, unplug then reboot device manually (Take the battery off and put it in again)
- It will change ur BASEBAND
Last edited by Joku1981; 9th January 2014 at 05:28 PM.
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9th January 2014, 04:40 PM   |  #3  
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I tried to flash alot of modems but none of them work (
Sometimes it sais it is installed, sometimes it asks for the PIT file.
I am stuck on baseband XXUBMG7 (
9th January 2014, 05:11 PM   |  #4  
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Quote:
Originally Posted by Joku1981

- Install Custom recovery (CWM or Philz Touch or TWRP) with Odin
- Flash this file -> HERE with the recovery
- Reboot ur phone
- Tell us how it works

via Odin !

Quote:
Originally Posted by MamaDraq

I tried to flash alot of modems but none of them work (
Sometimes it sais it is installed, sometimes it asks for the PIT file.
I am stuck on baseband XXUBMG7 (



Okey listen mate , Download and extract this file http://www.mediafire.com/downloady/kyx5khowhd7yzel/I9505XXUEMKF_MODEM.zip When your done "Turn Of your Phone manually" Remove your battery for 10 sec and put it back ! Press and hold Power+Volume Down In order to reach Download mode , Open odin select Phone/CP (Find the file you extract) put both cable and (check odin if it says com4 with blue color on it) press start and let it do its job , once done your phone will reboot and remove the cables.Now go to your phone setting > More> Device info> and check the baseband if it change. Have a nice day.
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9th January 2014, 06:10 PM   |  #5  
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Quote:
Originally Posted by MamaDraq

I tried to flash alot of modems but none of them work (
Sometimes it sais it is installed, sometimes it asks for the PIT file.
I am stuck on baseband XXUBMG7 (

when you are flashing a modem, flash twice the same modem and then reboot manually
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