L720 imei null and no sound - Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot

hi for all
am have GS4 L720 with imei null .
phone with 4.4.2 sound is work but with any downgrade firmware sound not work and imei still null after flash
L720VPUFNAE_L720SPTFNAE and flash modem NAE-ModemOnly.tar still imei null am have some box software am reset efs but still the same problem please help me how to return imei

abracadabra19 said:
hi for all
am have GS4 L720 with imei null .
phone with 4.4.2 sound is work but with any downgrade firmware sound not work and imei still null after flash
L720VPUFNAE_L720SPTFNAE and flash modem NAE-ModemOnly.tar still imei null am have some box software am reset efs but still the same problem please help me how to return imei
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Click to collapse
no any one have solution

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S5 G900w8 imei certi fail

Hay guys i got my samsung S5 G900W8 imei repaired with SPT BOX..
- reset EFS with N900F
- repaired imei with super imei with N900F aswell
imei restored successfully!! however... IMEI CERTI shows FAIL in *#0011# and im only able to get emergency signal right now... which is the same issue with N900W8 4.4.2 that can be fixed with reflashing an older modem...
anyone has a clue what modem i can flash for the G900W8 to get IMEI CERTI PASS???
Juujuus said:
Hay guys i got my samsung S5 G900W8 imei repaired with SPT BOX..
- reset EFS with N900F
- repaired imei with super imei with N900F aswell
imei restored successfully!! however... IMEI CERTI shows FAIL in *#0011# and im only able to get emergency signal right now... which is the same issue with N900W8 4.4.2 that can be fixed with reflashing an older modem...
anyone has a clue what modem i can flash for the G900W8 to get IMEI CERTI PASS???
Click to expand...
Click to collapse
I don't think its fixable at this point... wait for a solution

imei null unkown baseband after change emmc

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emergency calls only problem

my s4 i9500 when i downgraded to 4.4.2 from 5.0.1 it lost its IMEI. when i tried to install new kernel then it can not register on network.
Hi,
Flash Lollipop modem and let me know.
Sent from my ASUS_Z00AD
same problem i flash modem lollipo, kk, marshmalow
i have the imei generic 0049.......
Flash back to the latest stock rom and check imei.
flashed stock rom
4.2.2 ime unknow---signal no services
4.3 imei generic---signal emergency call only
4.4.2 imei generic---signal emergency call only
5.0.1 imei unknow---signal no services
The problem occurred when installing Cyanogenmod 13
Did you backup the efs folder?
audit13 said:
Did you backup the efs folder?
Click to expand...
Click to collapse
yes, but the same problem when restore EFS
I assume the phone has the correct imei before downgrading?
If restoring EFS didn't work, you may have to take it to a repair shop to have the imei injected into the phone.
Does wifi work?
audit13 said:
I assume the phone has the correct imei before downgrading?
If restoring EFS didn't work, you may have to take it to a repair shop to have the imei injected into the phone.
Does wifi work?
Click to expand...
Click to collapse
I assume the phone has the correct imei before downgrading? --yes--
If restoring EFS didn't work, you may have to take it to a repair shop to have the imei injected into the phone. --whit any box example 3zx box....
Does wifi work? very well, its working wifi
Yes, phone probably needs to be re-programmed with a an Octopus box or something similar.
audit13 said:
Yes, phone probably needs to be re-programmed with a an Octopus box or something similar.
Click to expand...
Click to collapse
oks 10x 4 all

Samsung n900k imei null also baseband unknown

Hello brothers samsung n900k imei unknow also baseband unknown i try flashing deffrent firmware but not done still same problems
I traying repair msl also write efs but not result
SEARCH your question thousands of identical posts .
Answers are One restore your backed up EFS folder .
Fail to backup take to service centre .
farooquepm said:
I traying repair msl also write efs but not result
Click to expand...
Click to collapse
Did you try diffrent basebands?
farooquepm said:
Hello brothers samsung n900k imei unknow also baseband unknown i try flashing deffrent firmware but not done still same problems
Click to expand...
Click to collapse
Same problem please if you have the updated modem and the boot please upload them I can't get any rom to work with my sim KT

Note 3 N900s imei null baseband unknown.. Please help!

So i just got a note 3 from my brother, he said that he had install roms and tried to back to original rom but the imei was null and baseband was unknown. Is there anything i can do to fix the phone please?
One restore your backed up EFS .
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