Baseband version unknown, IMEI Unknown - Galaxy S 4 Q&A, Help & Troubleshooting

Hi there,
I rooted my phone (Samsung galaxy S4 i9500) installed CM11 with Kitkat, and it worked. But my microphone was not sensitive, so i installed Original Samsung's ROM using ODIN. But now when i check my Baseband version, it says Unknown and IMEI as Unknown too. Does anyone know a fix, or is this fixable?
Please let me know.

Related

[Q] SM-N9005 no network imei different

dear experts, my friend bought this phone from UAE, and after OTA update the phone has lost network and imei has changed, device is not rooted and knox is still 0x0, so nothing was externally flashed. the current ver is 4.4.2, baseband is N9005XXUENC2, build num is KOT49H.N9005XXUENC2.
Please Help.. THANKS.
P.S.... problem solved after flashing Modem LTE ZHUENB5 from ValenteL's thread http://forum.xda-developers.com/showpost.php?p=50322367&postcount=11

[Q] I9505 Imei null/null - Baseband version Unknow

Here it goes lol, got me I9505 a few days ago,device working allmost perfect except it doesnt have the imei and baseband unknown. Got another I9505 but it only doesnt have incomming call sound( tried another speaker and other things but its most likely hardware issue) ,its got baseband and imei. After reading 2 days all kinds of threads with same problems and flashing different stock roms it didnt get the imei nor baseband back. So i used EFS to backup the i9505 with the sound issue and then restored that backup on the i9505 without imei and baseband but still no imei nor baseband.So in short: got 2x i9505 one with imei and baseband one withouboth,is it possible and how to transfer the imei and baseband?
adamir said:
Here it goes lol, got me I9505 a few days ago,device working allmost perfect except it doesnt have the imei and baseband unknown. Got another I9505 but it only doesnt have incomming call sound( tried another speaker and other things but its most likely hardware issue) ,its got baseband and imei. After reading 2 days all kinds of threads with same problems and flashing different stock roms it didnt get the imei nor baseband back. So i used EFS to backup the i9505 with the sound issue and then restored that backup on the i9505 without imei and baseband but still no imei nor baseband.So in short: got 2x i9505 one with imei and baseband one withouboth,is it possible and how to transfer the imei and baseband?
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There is a ROM out there that has baseband of the 5.0 Lollipop. If you had flashed that via Odin then you must download Lollipop baseband since you are unable to downgrade. If you didn't download the lollipop leak then you are prob downloading the wrong firmware for you phone just check on SAMMOBILE and see if you are indeed downloading the latest firmware for your phone.

Can I Flash Different Firmware on a standard i9505

Respected Dev.
i have an I9505 but its board has been changed and now i dont know which board is install but one of my friend install a rom and that is some how like "XXUHOE2" but i dont know that the board is compatible to that or not ? can i flash UK or USA or any other region firmware as i have a problem in CM ROM. Lost signal after few minutes of restart. no clear idea.
Find the model number by booting into download mode. Once you have the model number, flash the appropriate rom.
Listen please check this link. would it help me to recovered the phone from the unknown baseband
https://www.unlocksamsungonline.com/free-baseband-repair/Galaxy%20S4/#instructions

Help shv-e300l help

Hello
I dont know if this is the correct place to post(please correct me if so )
I have a SHV-E300L with its imei and baseband null (got it for cheap just to look into this case)
previous owner told me it happened without him doing anything but by the phone itself
Phone is not rooted. So no efs backups.
I have read that you can Force write the imei code if you know it?
What about the baseband?
What if i convert it to international version ? (i9500/i9505)
Or
Is it posiible to swap a motherboard of a i9500(idk the model no but i need 4g)
and the usb also?
it will cure the imei and baseband right? (since the motherboard carries its own?)
Please help me
Im just a newbie to the s4 I have a S2 and ive rooted flashed reflashed and stuff
Thanks All
Boot into download and verify the model number. Then go to sammobile.com and flash the latest stock ROM using Odin.
You can not convert a phone from one model to another model.

Baseband problem (unknown) on modified 900T

Hi everyone
I had a Note 3 that I thought the version is 9005 because there were no logo of T-mobile in stock rom and the version 9005 was shown in "about" on the phone. I decided to flash stock lollipop 9005 on it, when i put the phone in "downloading mode" , I realized that the phone name is 900T. I was shocked and decided to flash a lollipop 900T. I used Odin and flashed 900T. when the phone booted, I saw T-mobile logo and unfortunately baseband and IMEI are unknown. :crying::crying::crying:
the salesman cheated on me and sold me a modified phone . I flashed some custom rom (marshmallow and nougat).
MagMa-Nx.UR3.N930FFKU1BPI8
RR-N-v5.8 (the current rom)
the boots completely but still unknown baseband and IMEI
now I don't know if there is any way to bring my phone back or not.
any help would be appreciated.
If its 900T then you want TMobile forum not this one .
https://forum.xda-developers.com/showthread.php?t=2574886

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