Hello.
So basically my problem is when i insert any sim card my baseband version is going unknown same as imei. It happens on every rom except S5 sensation rom. Whenever i try to restore efs or modem device still has unknown imei and baseband. But when I pull the sim card out it is known and correct. Any way to repair that?
Thanks in advance
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Hi,
I got this phone from a friend and I don't know the history of it but is unable to detect any SIM card and the Baseband and IMEI appear as Unknown.
Do you have any idea on how to fix it?. Thanks in advance.
i had the same problem on 850FQ i bought few days earlier.
I digged deeper into the Issue and found out when someone wants to unlock their phone it can be done by 2 ways ONE: with an unlock code which people can buy from many online sites TWO: Using some hardware device i dont know its name. The repair guy told me sometimes a phones IMEI is also changed during the unlocking process and if the process is buggy then it may also damage IMEI AND BASEBAND.
Unknown imei/baseband can also be caused by a damaged "modem chip" or it can be caused by corrupt "EFS AND MODEM" folder while flashing custom roms. But since there is no ROOT and No firmwares available for the "A" model i guess your corrupt baseband is either due to "buggy unlocking" or it is a hardware malfunction. People who have the same problem in F or other models can try restoring factory firmwares with odin (from sammobile) but the folks with "A" Model are out of luck. i sold my phone as a demo unit cus i wasn't able to recover its baseband and imei.
Try a factory reset without simcard inserted, see if the imei comes back. if not you may sell it as a demo unit or keep the device for camera and music needs
adolfo7x said:
Hi,
I got this phone from a friend and I don't know the history of it but is unable to detect any SIM card and the Baseband and IMEI appear as Unknown.
Do you have any idea on how to fix it?. Thanks in advance.
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Click to collapse
maybe your phone is locked to provider(AT&T verzion...) i dont know,also I cant find proper 850A firware on sammobile or other sites
مشكله في جهازي تغير رقم imei الي (004999010640000) جلاكسي sm-g850f الأصدار 5.02
Problem in two to change imei number (004999010640000) Galaxy sm-g850f LAUNCH 5.02
I have 004999010640000 imei and I want to restore my original imei but it seems I don't have a backup. Any solution for this?
I have a BLU vivo XL phone to which I have flashed a new rom using SP Flash Tool.
My sim card wasn't being recognized by the phone, and I noticed there was no longer an IMEI number assigned to my phone. There are two sim card slots, and I manually assigned the IMEI number for each slot using the apk Mobileuncle Tools.
The sim still isn't working, but when I check Settings>About Phone>Status>IMEI information, the IMEI for slot 1 and slot 2 both have numbers assigned now, however, there is another value for the IMEI SV(Slot 1) and IMEI SV(Slot2), i don't know what this is, but they both still say "unknown".
I am guessing that maybe I need to have both IMEI and IMEI SV numbers in order to use the sim card slots, but I don't know how to get it or what to try next.
Thank you for your help.
Hi all,
I just upgraded from CM12 to CM13 (with full wipe) and somehow the IMEI and baseband information got corrupted.
So I restored a efs backup (using dd). Now IMEI (3597...), serial and baseband is back and the phone recognizes the sim card.
But if I enter the PIN code it doesn't unlock the sim card (checked the sim card successfully in an other phone).
Any ideas?
GT-9100
Android 6.0.1
CM 13.0-20160818-Nightly-i9100
Baseband I9100XXLS8
Just after posting this, I had an other idea:
In the restored efs partition I replaced the nv_data.bin and .nv_data.bin.md5 with the *bak*-files.
And after a reboot everything is working now
(seems that my backup was also corrupted... )
Hello Win'ners
Please I have this Samsung Win i8558 I got from a friend and would like to use my both lines in it (Not actually as a smartphone as I already have a Note 4) Runs on 4.2.2 but here is the problem I have with the device!
If I insert one SIM card in either slots... It reads and gets signal for the Network SIM. (either Sim1 or Sim2)
But if I slot both SIMs in both slots... It would give a "No sim card" error even when it would shows the SIM Network names under "SIM Card Manager" in settings but would not detect signal.
So I put in one SIM in sim1 and checked the IMEI via *#06# and it came up. I put in one SIM in Sim2 and checked the IMEI and found out both slots uses the same IMEI number.
If I mount both SIMs at same time and check the IMEI , it would give "Null/Null"
Any help on how to solve this problem as I have 2 network SIMs I want to use on it.
Thanks.
SOLVED
I solved the issue by flashing a later build via Odin!
Now I need root!
Hi
Recently I have had some issues where sim cards are not working on my phone. At first I thought it was an issue with the sim cards but when I tried the sim in a different phone, it worked fine. I tried numerous restarts, taking the sim out and placing it back in (in case there was an issue with the contacts/sim tray) but this has not solved the issue. By chance I was looking at the phone identity menu and noticed that the IMEI and the IMEI SV fields both say unknown but the device serial number is fine.
android version to 7.0 (OS 4.27.651.4)
how can i get IMEI so plz help me (country UAE)
moazzam2025 said:
Hi
Recently I have had some issues where sim cards are not working on my phone. At first I thought it was an issue with the sim cards but when I tried the sim in a different phone, it worked fine. I tried numerous restarts, taking the sim out and placing it back in (in case there was an issue with the contacts/sim tray) but this has not solved the issue. By chance I was looking at the phone identity menu and noticed that the IMEI and the IMEI SV fields both say unknown but the device serial number is fine.
android version to 7.0 (OS 4.27.651.4)
how can i get IMEI so plz help me (country UAE)
Click to expand...
Click to collapse
TRY THIS
fastboot erase modem_st1
fastboot erase modem_st2