[Q] Help me imei null/null baseband unknown - Galaxy S III Q&A, Help & Troubleshooting

Good morning friends xda this day so I would ask URGENT help with a SG-i9300 S3 recently I have the phone and it was all fancy and was even Staba root a stock rom and root ps had my programs including root browser and then last night I got to make a copy of my efs folder and ps I saw that I could not because then there m failure insisted he left after me any minute network logo appeared locked and as I gave you * # 06 # and I get imei NULL / NULL baseband unknown then I get in because I read in several forums where flash was saying that making him with the original firm then I would stay again via odin intale I9300UBEMH2_I9300UVOEMH1_ARO and followed the same ... please help you? and look in the forums and had one of how to retrieve the IMEI in 9 steps and did not work l'm really desperate and scared ..:crying::crying:
please help meeee

Hi,
We have a sticky thread all about IMEI / EFS issues. This is because if you do a search here now, you'll find literally hundreds of threads all about the same thing.
Please go to:
general > Sticky roll-up thread > "IMEI / EFS - Know this stuff"
... have a read. If you have further questions, please feel free to ask them in that thread. We set it up to try and keep the forum tidy.
Thanks
Ps please be careful where you post questions. They should go in q&a. General is not for questions
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Related

IMEI 0049 - I have a backup...

Hi Guys,
i fu***d up my I9300 (unbranded).
I had the problem that there was an unknow IMEI and Baseband.
Then i restored my EFS partition with a root explorer.
After getting the factory mode fixed i was happy to use my phone. (Had to type in my PIN)
But now i have a 0049XXX IMEI... How to fix this without buying this hardware box?
I have an IMEI-Backup (tar.gz)
Please help me!
Please read general > sticky roll-up thread > imei / efs - know this stuff.
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IMEI

Good morning everyone!
I'd really like to know why installing a custom rom can delete or modify the EFS folder ....
And also why the IMEI of the device is stored in it.
What developers are doing to make it happen???
I did not backup this folder and even if he had done believe it would do.
The folder can not be deleted, nor overwritten ......
I always thought that the IMEI was written on a chip can only be read and not written.
Look my search results about IMEI here:
http://forum.xda-developers.com/search.php?searchid=222446237
And here too:
http://forum.xda-developers.com/search.php?searchid=222446965
This is absurd!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
I lost my S3 last week and would like someone to explain to me why this happens .....
Can anyone help me???
I know that many people will read this post looking for a solution to the same problem, but I can not help.
I hope the answer of "developers".
And I hope to see here "indie" and also the "Kryten2k35"
:crying::crying::crying::crying::crying:
Read the stickies/RTFM.
Why is hard to say because all this text contains no specific details. Best answer, read the imei / efs thread in general > sticky roll-up thread
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[Q] please ..... help not registered on network problem

i have galaxy S3 ... i upgraded it from 4.1.2 to 4.2.2 jellybean I9300XXUFME3_I9300OJKFME1_ILO .... everything went good until i tried to make calls ..... (( not registered on network )) problem appeared ...
please any help ....
and what about modem_XXDME4 ? is this fix it ?
thank you
livefree159 said:
i have galaxy S3 ... i upgraded it from 4.1.2 to 4.2.2 jellybean I9300XXUFME3_I9300OJKFME1_ILO .... everything went good until i tried to make calls ..... (( not registered on network )) problem appeared ...
please any help ....
and what about modem_XXDME4 ? is this fix it ?
thank you
Click to expand...
Click to collapse
Go to general forum, stickies. Read about 'EFS know this stuff.'
Hi,
We have a sticky thread all about IMEI / EFS issues. This is because if you do a search here now, you'll find literally hundreds of threads all about the same thing.
Please go to:
general > Sticky roll-up thread > "IMEI / EFS - Know this stuff"
... have a read. If you have further questions, please feel free to ask them in that thread. We set it up to try and keep the forum tidy.
Thanks
-----------------------
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I do NOT reply to support queries over PM. Please keep support queries to the Q&A section, so that others may benefit
Please use the search tool before creating a new thread. Posting a thread on a topic that has been covered over and over is troll heaven. You will get eaten alive out here for such a thing.
Thread closed

Modem change breaks mobile data.

Hey guys, this is my first thread on here so i'll try to be descriptive.
i'm running an i-9300 international in the UK. I recently changed to omega rom and it's been working great but unfortunately my speeds on mobile data are horrendously slow even on H+. my wifi speeds are better than ever so i've surmised it's not connected.
after some research i found out the modem for my network (tmobile) is I9300BVEMF1 i flashed this and afterwards the phone doesn't recognise my sim.
I flashed it back to the previous modem and it works but slowly.
On stock it works much better. Is there anything i can do?
Hi,
We have a sticky thread all about IMEI / EFS issues. This is because if you do a search here now, you'll find literally hundreds of threads all about the same thing.
Please go to:
general > Sticky roll-up thread > "IMEI / EFS - Know this stuff"
... have a read. If you have further questions, please feel free to ask them in that thread. We set it up to try and keep the forum tidy.
Thanks
-----------------------
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I do NOT reply to support queries over PM. Please keep support queries to the Q&A section, so that others may benefit

[Q] coruppted IMEI - really need help

Hi guys ,
I've flashed a new stock ROM to my sgs3 and IMEI got corrupted , I've already flashed Samsung phones 100s of times and it never happened but now it did.
anyways ,
I think I have some kind of international version , phone model is GT-I9300 .
IMEI shows the generic 00 IMEI.
my serial number(S/N , not IMEI) was good at first but then tried to flash an older stock ROM and now it's all zeros.
Please help me guys , I'm pretty desperate... spend more than 6 hours yesterday (and another 3 hours now )of trying to fix this and still without any success so please don't think I'm just asking here and too lazy to google it.
any help will be deeply appreciated.
Hi,
We have a sticky thread all about IMEI / EFS issues. This is because if you do a search here now, you'll find literally hundreds of threads all about the same thing.
Please go to:
general > Sticky roll-up thread > "IMEI / EFS - Know this stuff"
... have a read. If you have further questions, please feel free to ask them in that thread. We set it up to try and keep the forum tidy.
Thanks
thanks , I will go dig there right now.
Do please read all of post 1, to the end

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