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GT-9305t NOT REGISTERED ON NETWORK/CORRECT IMEI

HELLO EVERYONE.
i have a samsung i9305T i flashed it wth L.P rom then suddenly
my imei went 0049. i tried anything bUt no luck. so i decided to flash a stock one
4.1.2 my imei was back. But when i try to insert my network sim it says.
NOT REGISTERED ON NETWORK . tho ived used this phone before here in the philippines
so im sure it is unlocked.
any help guys.? thank you in advance does my baseband caused the issue?
please help ...

Hi,
I'm not an expert at all but i have a theory :
I think you get a corrupted EFS. You flashed L.P rom so the format of your EFS changed to V2. So when you tried to return to 4.1.2, the phone can't read your efs anymore.
I think the solution is to flash a newer baseband, for example the L.P baseband or a KK baseband.
Read more about efs format => http://forum.xda-developers.com/galaxy-s3/general/ref-imei-efs-stuff-i9300-including-t2393289
Hope it helps.

mi3 invalid imei and baseband unknown

Hi, after flash a rom, my mi3 doesn't detect baseband and my imei invalid. I tried to flash miui using fastboot (clear cache, data, everything using MI Recovery. Flashed dev global, stable and local roms) but still not fixed. I also tried using QPST but the memory dump is too small so I stopped. Anyone knows how to fix this? Thanks

Do you have a backup ROM using CWM? Because I had this problem before but it was fixed by restoring my previous CWM back up.
Have you seen the thread on MIUI.com about fixing IMEI on Mi3?

bluerain28 said:
Do you have a backup ROM using CWM? Because I had this problem before but it was fixed by restoring my previous CWM back up.
Have you seen the thread on MIUI.com about fixing IMEI on Mi3?
Click to expand...
Click to collapse
Ty for reply. I have done that many times but it seems that my nvram is corrupted. I dont know how but all the settings and configurations are empty including imei number. I flashed more than 10 times stock rom with different method and my baseband is back. Still the imei is missing. Then, I try to fix the imei by looking at the nvram memory dump. I injected my old imei (from mi3 service card) then the imei is back. Somehow, still no services.
I think that my nvram is badly corrupted due to random error in flashing. This is my first time having this issue because other phone (Sony Xperia) i have can easily fixed by flashing the stock rom. If only I have the hex file to compare. By the way, the memory dump is about 150kb. Too small isn't it?

Hmmm. . . . . Seems you need a really hard flash on that. You'll need to go to a service center for that.

try wiping cache data and then flash rom.

GT-I9305 - Baseband version unknown, IMEI unknown, IMEISV unknown, *#06# null/null

GT-I9305 - Croatian market, T-Mobile
hi,
got the phone for repair. under baseband version is unknown, IMEI is unknown, IMEISV is unknown, *#06# comes up with null/null.
i read all the guides i could find and tried everything. found the apps that could help me but cant seem to get the phone recognized with them (QPST, NV-items reader writer, Qualcomm NV Tools that comes with EFS pro)
drivers are ok, ports are recognized, everything is as it should be but in QPST under phone it says "no phone", NV-items reader writer says "Failed.. Phone does not answer" and Qualcomm NV Tools "Unable to send SPC to the phone!"
tried with RNDIS+DM+MODEM and DM+MODEM+ADB and EFS professionals auto switch while launching Qualcomm NV Tools from EFS professional.
does it matter which options are selected on the first page of "service mode"?
UART
modem
pda - selected
USB
modem
pda - selected
although i tried with modem selected also
phone was stock but couldnt get it to be recognized, then rooted (supersu, busy box)and the problem is the same.
i managed to get it connected to EFS professional, but with it i can only backup and restore already corrupted EFS.. cant modify the backup to enter/fix the IMEI.. and simply backup/restore as some have suggested doesnt fix the problem
flashing param doesnt help, flashing different stock doesnt help.. havent tried "Perseus Kernel" which seems to help some, as im sure it would "fix" the problem.. but i need the phone to be stock and in working condition.. also the friend who gave me the phone sad that this just "happened", he didnt do anything.. the IMEI just disappeared
tnx to everyone in advance

no one :/

have you followed instruction here step by step? http://forum.xda-developers.com/gal...warning-guide-backup-restore-imei-nv-t1946915
this guide does not use EFS Pro. I can't really help. I never managed to brick my phone like that. If the phone won't be recognized it could be that the USB port is broken. Had happened to many S3's, I had to get mine fixed twice. Or are you able to get a connection to your PC?

Mi5 64 Gb Baseband Version Unknown And No Sim Card Message. Help

Hello everybody!
After restoring with TWRP a backup of MIUI by xiaomi.eu 8.1.3.0 (MAACNDI) stable, the phone shows baseband version unknown and No SIM card message, though the SIM works perfectly fine in other phones. Also, when dialing *#06# it shows correct MEID and both IMEIs, while in settings > about phone > Status > IMEI information it shows the right MEID and IMEIs, but it shows Unknown under IMEI SV (Slot1) and IMEI SV (Slot2).
I've already tried restoring older back-ups, fastboot flashing to global rom, wiping dalvik and cache, multiple reboots. I've run out of ideas. Any ideas about how to get the baseband and the GSM function back?
Also I don't have a back-up phone and I am kind of desperate. Please Help! Thanks!

You didn't back up efs partition with twrp? You should try this thread http://forum.xda-developers.com/mi-5/how-to/xiaomi-mi5-efs-backup-restore-methods-t3432730/page8

I have a TWRP backup of the efs, but after restoring it, there is no change. Actually I think the backup is corupted and it is the culprit that broke my phone, cause when I restored the backup I accidentaly restored the efs too and after that the sim isn't recognized. I tried following the above tutorial, but I'm facing a problem with QPST cause I cannot restore the modified qcn file. It gives me the following error "Received an invalid command from the phone" and the status "Memory Restore Failed!". I don't know what to try next...

For those having the same problem after an efs restore in TWRP this is THE SOLUTION:
http://forum.xda-developers.com/oneplus-3/how-to/fix-empty-imei-unknown-baseband-sim-t3480781
THANKS for your answer!

With which version of twrp did you back up efs partition?

The problem was generated by a bug of the TWRP recovery (seems the 3.0.2.0 version, which I used for backup and restore was the one with problems). I think the bug was fixed in later versions, so you should use the latest version to avoid the problem.
My phone is working flawlessly again.
Details about the bug that causes the problem can be found here: http://forum.xda-developers.com/showpost.php?p=68500121&postcount=64
Cheers!

Ok Thanks i already installed last twrp and back up efs, i just wanted to be sure about this as i didn't want to go all through this process if i have any trouble

http://forum.xda-developers.com/mi-5/how-to/xiaomi-mi5-efs-backup-restore-methods-t3432730
It works for me

hiepthong said:
http://forum.xda-developers.com/mi-5/how-to/xiaomi-mi5-efs-backup-restore-methods-t3432730
It works for me
Click to expand...
Click to collapse
thanks, it helped to me too

Question Can someone give new NVRAM and NVDATA image to me for fixing IMEI problem

I lost my baseband and IMEI after flashing Redmi Note 11R from China Stable to EEA Stable, so I follow guides on Internet and tried to reflash it with SP Flash Tool. I use "Format All+Download" but after that, I can't boot into system but always fall into MIUI recovery 5.0 with "NV data is corrupted" message.
Then I tried to use ModemMETA, but when I press write button, I always got operation timeout error, so I think maybe those partition were damaged.
Will flashing a new image fix issues?

I can give you that files, but it won't help. If you delete nvram - than your phone will not call any more, how to fix that - only on service firmware, but when you upgrade it to miui, no phone calls. I have the same phone, same problem, and no solution. Maybe in some month

K1_by said:
I can give you that files, but it won't help. If you delete nvram - than your phone will not call any more, how to fix that - only on service firmware, but when you upgrade it to miui, no phone calls. I have the same phone, same problem, and no solution. Maybe in some month
Click to expand...
Click to collapse
Thanks for your helping, now it can at least boot into MIUI, not recovery. But the problem is ModemMETA tool now stuck at "Connect to MD" with good nvram files. Does that means I can only use the tool with corrupted nv data? That's weird. Also, I still getting unknown baseband and IMEI with China ROM, what version and region was your MIUI when you backup those files?

I have India, but it won't help you. If you want to recover your phone, you need to flash ENG rom(Format + Download) to use Meta Modem, then write only second IMEI. I have ENG rom if you want https://disk.yandex.ru/d/HFA-nWmHW8x1Kw
But then when I come from ENG to Stock - my baseband lock, phone no detect simcard. If I flash another modem, phone see simcard on stock, but no calls. I think it's becouse of baseband from nvram, nvdata + md1img that can't be applied on new phone with out change of Imei in that files, Meta Modet can't change IMEI in that files, it can only work on empy nvram, nvdata but with that files my phone don't calls.
So you need to flash stock and use special soft life Unlocktool to repair IMEI, I will pay some guy to fix my problem becouse I don't have solution for that. I spen about week on that problem in Internet - there is no solutions yet for that mode, Redmi Note 11E, 11R, 10 5G (light).