Hi guys, I downgraded from Marshmallow to Lollipop, but after downgrading my Imei is now null, any idea how to fix this? Googled already and find no working fix. :crying:
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Am having this issue from quite a day.I installed lollipop offical firmware provided by blackcat..
i wanted to revert back to kitkat so i flashed stock firmware from sammobile everything is working great except for imei baseband issue please help me.I already tried flashing modems.
Are u have a Backup from your imei and efs?
No brother i do'nt have anything
No solutions yet for those who wish to revert to kitkat.
But a workaround is to use the Lollipop official leaked modem with any kitkat rom.
Heres a link http://forum.xda-developers.com/showpost.php?p=58296174&postcount=2746
ss
But i have reverted back to kitkat :/ problem is imei only :/
TYTY
Ty buddy that modem from lollipop works..
Hi Community,
Phone is GT i9500 - I am in the UK, the phone is unlocked
can you help please. I have just downgraded from Lollipop to Kit Kat via Odin.
All appeared well except that it no longer works as an actual phone!! The Imei is now showing a NULL and Baseband appears as UNKNOWN.
Thanks In Advance
AJ
Here iS the Fix
http://forum.xda-developers.com/galaxy-s4/general/gt-i9500-fix-null-imei-signal-downgrade-t3168137
ajcm.whitfield said:
Hi Community,
Phone is GT i9500 - I am in the UK, the phone is unlocked
can you help please. I have just downgraded from Lollipop to Kit Kat via Odin.
All appeared well except that it no longer works as an actual phone!! The Imei is now showing a NULL and Baseband appears as UNKNOWN.
Thanks In Advance
AJ
Click to expand...
Click to collapse
You need to flash a Lollipop modem. Or you could reflash the Lollipop firmware.
I wouldn't flash the link above you. He has no description at all of the file.
Lennyz1988 said:
You need to flash a Lollipop modem. Or you could reflash the Lollipop firmware.
I wouldn't flash the link above you. He has no description at all of the file.
Click to expand...
Click to collapse
Just as OP, I downgraded to kitkat, in my case because of the terrible battery life S4 gets in lollipop. I have spend days trying to fix this, I have tried all kinds of wipes and ROMs, until I got a decent lollipop ROM and flashed just the modem image, and the problem was fixed!
I thought I had wiped my IMEI, because of the IMEI null and Baseband UNKNOWN issue, but as soon as I flashed the corresponding modem, I "got it back". I do recomend you however, to backup your EFS partition, because apparently you *can* wipe your IMEI when you flash ROMs.
aospAfter flash miui 7, baseband and the imei were null. I have tried flashing miui 6 and AOSP kitkat,unfortunately , same problem. Could someone help me with this? maybe flashing a different baseband could solve it?
george did you restored your imei before via qpst ?
Hi
I just updated my N9005 to lollipop 5.0 as it was released officially to Srilanka.
Im a newbie so i just updated using ODIN. Now the battery is draining so i want to go back to kitkat. When i downgrade i have no baseband and imei number.
I reflashed with lollipop's modem file.I got the Imei back but the camera recording fails.Is there a way to downgrade properly or a fix..
BTW I DIDNT BACKUP EFS OR ANYTHING BASICALLY NO BACKUPS OF ANY SORT
PLSEASE HELP ME
No do it and nothing will happen,,,you will note lose any imei or any thing .. go for it ..
Hello, first post here.
Recently I had to change the logic board by the well-known lags and it came with MM 6.0.1.
I have seen that in several sites indicate to users that we can not downgrade from 6 to 4 by the bootloader, but here I found this post:
https://forum.xda-developers.com/note-4/general/downgrade-official-mm-to-kitkat-t3383885
This method works ? And with the European rom KK pxe 4.4.4. ??
Any data is appreciated...
Thanks and regards.
No one ??