[Q]No IMEI and Baseband - Galaxy S 4 Q&A, Help & Troubleshooting

Hello,
Day ago my S4 lost his IMEI. Phone was rooted (KNOX 0x1) samsung service said that they wont fix it.
What should I do ?
I tried resetting, flashing orginal Samsung ROMs etc.
I dont have EFS Backup because im not using custom roms only root.

If you did nothing and the IMEI just disappeared then your EMMC chip is damaged. It's ridiculous that Samsung won't fix it. In what country do you live?
The EMMC costs a few dollars so maybe you can find someone who can solder it for you.

Related

[Q] Help! i need some advice please help me...

I sent my note 3 n9005 to repair shop to repair "unknown baseband", IMEI null, and to repair serial no. my note 3 fixed but the IMEI of my phone is replaced by other IMEI to work network and now my phone is working and rooted, NOW MY QUESTION IS, "It is possible to flash to stock firmware even if the IMEI of my phone changed from the Original IMEI? help me.
Please do not clutter up the forum by posting the same question multiple times.
Nico231995 said:
I sent my note 3 n9005 to repair shop to repair "unknown baseband", IMEI null, and to repair serial no. my note 3 fixed but the IMEI of my phone is replaced by other IMEI to work network and now my phone is working and rooted, NOW MY QUESTION IS, "It is possible to flash to stock firmware even if the IMEI of my phone changed from the Original IMEI? help me.
Click to expand...
Click to collapse
Well to answer this quick. Just make sure you have an EFS backup before you do anything. if something goes wrong you could always restore you EFS and have your IMEI restored.
Just flash it with a same region as your phone is.
Don't use a UK Firmware on the Hong Kong version phone.

[Q] Null IMEI and unknown Baseband! Please Help

Hi!
I have got a samsung s4 i9500. Tried rooting it with a buggy rom, i guess. So decided to flash my phone with 4.4.2. Got null IMEI/unknown baseband.
Then found a thread saying "fix imei_null", tried that and got a generic IMEI. Originally I had lollipop, now I have 4.4.2.
I do not have backup of efs folder or anything else. Also do not have z3x box or any other.
Tried everything else and nothing helps. You guys are my last hope.
Please please help! Don't want to spend INR 9k/ $ 150 at samsung service station, I dont think they will be able to solve this problem even after spending so much!
The service center could definitely fix things. If your buggy ROM happened to be Android 5.0.1, flash an Android 5.0.1 modem and your IMEI may be restored. Otherwise, to the service center go you must.

Repair i9505 IMEI with another i9505

I have two Galaxy S4 LTE i9505......But one have imei problem with null imei and uknown baseband..........is it possible to repair it with another i9505?
irfanbd94 said:
I have two Galaxy S4 LTE i9505......But one have imei problem with null imei and uknown baseband..........is it possible to repair it with another i9505?
Click to expand...
Click to collapse
Sure swap the motherboards.
Lennyz1988 said:
Sure swap the motherboards.
Click to expand...
Click to collapse
Both phone is ok.......just one have imei problem.......so i want to know that is there any way to backup imei of i9505(with imei) and restore it on another i9505(with null imei)?????
What you're attempting to do (cloning the IMEI) is not legal and thus cannot be discussed here. For your device with IMEI woes, try reinstalling the ROM. Otherwise take it to Samsung and have them fix it.
yes cloning(my own s4 imei) imei or just network fix without imei.
irfanbd94 said:
yes cloning(my own s4 imei) imei or just network fix without imei.
Click to expand...
Click to collapse
If imei got lost without you doing anything then you have hardware failure and need to replace emmc chip.
imei lost because of downgrade to android 4.4.2,flashed 5.0.1 again but imei didn't come back
irfanbd94 said:
imei lost because of downgrade to android 4.4.2,flashed 5.0.1 again but imei didn't come back
Click to expand...
Click to collapse
Reflash Lollipop (yes again), voila imei back.
Flashed lollipop again but imei didn't fixed

SM-G950FD no network available

Hi everyone, i'll beging in thanks for anyone that can help me with my problem
So my phone just got a random crash, after that the network won't work at all. What i tried :
Testing another sim card from other provider
Wiping the phone in Odin
Custom rom with custom kernel
Restoring EFS
Checking if water damage inside the phone
Imei is good
Phone was bought in Canada it's the dual sim model so no warranty here.
Could i get it repaired in the country of origin for free ?
Also can a *box* could repair the modem ?
Any help would be accepted
Thanks

HELP NEEDED - Restore original EFS / IMEI & Baseband for Galaxy S8+

So by complete freak accident I copied over a TWRP backup of my mom's Galaxy S6 which was running an S8+ port ROM, and I restored it to my S8+ by accident - TWRP restored that backup to my S8+ and obviously I was unable to boot, but also my EFS & baseband was ruined because it tried to restore the Galaxy S6 EFS and baseband to my S8+ :crying: :crying: so now after flashing back a normal Galaxy S8+ ROM I can't make any calls/etc as expected.
I do have an EFS backup of my phone but that backup is stored in a computer which is in another country, and I won't have access to it for another 3 months...
Anyways, I was hoping if there was anyone that could help me repair my S8+ IMEI. I only have $5 USD in my Paypal that I could pay, I know its not much but I would really appreciate any help with this. I also have some balance in an SMM panel that I could give as additional compensation if someone is interested in that too. Thanks
EDIT: Nevermind, fixed by @ZeroXO
Thanks and best regards
Shamako said:
So by complete freak accident I copied over a TWRP backup of my mom's Galaxy S6 which was running an S8+ port ROM, and I restored it to my S8+ by accident - TWRP restored that backup to my S8+ and obviously I was unable to boot, but also my EFS & baseband was ruined because it tried to restore the Galaxy S6 EFS and baseband to my S8+ :crying: :crying: so now after flashing back a normal Galaxy S8+ ROM I can't make any calls/etc as expected.
I do have an EFS backup of my phone but that backup is stored in a computer which is in another country, and I won't have access to it for another 3 months...
Anyways, I was hoping if there was anyone that could help me repair my S8+ IMEI. I only have $5 USD in my Paypal that I could pay, I know its not much but I would really appreciate any help with this. I also have some balance in an SMM panel that I could give as additional compensation if someone is interested in that too. Thanks
Thanks and best regards
Click to expand...
Click to collapse
Imei are cert based on s8s. I'm not gonna give any sites. But imei repair is a Google search not here. Since you damaged the cert based imei possibly it will cost a lot more than 5 USD. Going rates I've seen are about 100 or so USD. So of some one could get you a copy of that efs sent to you your gold of not I would find a backup til you can repair it
TheMadScientist said:
Imei are cert based on s8s. I'm not gonna give any sites. But imei repair is a Google search not here. Since you damaged the cert based imei possibly it will cost a lot more than 5 USD. Going rates I've seen are about 100 or so USD. So of some one could get you a copy of that efs sent to you your gold of not I would find a backup til you can repair it
Click to expand...
Click to collapse
Nevermind, @ZeroXO fixed it for me! :highfive:
Shamako said:
Nevermind, @ZeroXO fixed it for me! :highfive:
Click to expand...
Click to collapse
how ?
so this thread would be helpful for other who has same problem.
im having a really similar problem, i havent completely lost my efs but i can really get my cell service to connect, it will register when im connected to wifi but goes dead if i disconnect.
o
ive got g950u that i put v5 safestrap on but messed with a lot setting and think i flashed improper radios. i was trying to do a carrier change im now on stock firmware bit 7 and ive been reading for days trying to fix this. i think i have a efs issue. anyone able to help? my imei isnt gone @ZeroXO
madmike_ said:
im having a really similar problem, i havent completely lost my efs but i can really get my cell service to connect, it will register when im connected to wifi but goes dead if i disconnect.
o
ive got g950u that i put v5 safestrap on but messed with a lot setting and think i flashed improper radios. i was trying to do a carrier change im now on stock firmware bit 7 and ive been reading for days trying to fix this. i think i have a efs issue. anyone able to help? my imei isnt gone @ZeroXO
Click to expand...
Click to collapse
Me too I needa backup of the efs folder g950u final cert fail
Hello, I had a similar issue with a galaxy S8, I contacted Samsung, they told me to use the "galaxy-s-unlock" app, which requires Busybox. And for me it worked ! Maybe you can try on the s8 sd

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