"No Signal" after changing rom - Galaxy S III Q&A, Help & Troubleshooting

hey alll, im newbie with roms roots etc, ive been rooting my phone like a year ago and install cm10 everything worked perfect, today ive install other rom, and from this time my phone dont have signal, i tryed to install back the cm10 rom but still, i cant make out calls, no internet nothing... dont know what to do, search all over the internet, and read that maybe my modem as locked, or the imei was locked, i have no idea...
pls HELP

Have a read in the general forum of the stickies, particularly rootSU's efs thread:
http://forum.xda-developers.com/showthread.php?t=2393289

Haaaaaaaaaaaaaha
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WOW !!

We need desperately a kindergarten type section .
Thats where all the identical posts and helps can go .

New baseband maybe
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http://forum.xda-developers.com/showthread.php?p=44303955
Sent from my GT-I9300 using xda premium

well
i unrooted the phone and put the stock rom, but it didnt help either.. i guess i need a pro that really understand what to do, i read a post in here about a guy that heppen to him the same and he send a folder to an other guy from xda forums, then he send him back and it fix it, so i guess i need someone who know what to do.... someone ?! pls ?!

flash any rom with mg2 or mg4 baseband YOU CAN CHOOSE ONE FROM THE TOP 8 ON THIS PAGE http://www.sammobile.com/firmwares/. USE ODIN
READ http://forum.xda-developers.com/showthread.php?t=2393289 AND http://forum.xda-developers.com/showthread.php?t=2377731

hey
ashraf sharif said:
flash any rom with mg2 or mg4 baseband YOU CAN CHOOSE ONE FROM THE TOP 8 ON THIS PAGE http://www.sammobile.com/firmwares/. USE ODIN
READ http://forum.xda-developers.com/showthread.php?t=2393289 AND http://forum.xda-developers.com/showthread.php?t=2377731
Click to expand...
Click to collapse
can someone who did it allready can contact me by skype ?! i really need this help!
thanks
skype: phanatic_music

Basics .
http://forum.xda-developers.com/showthread.php?t=2344125
!!ALL QUESTIONS GO IN THE Q&A FORUM!! OR THEY MAY BE DELETED

Related

[Q]

when i tried to flash custom kernel i lost my imei ............. but i want to use stock rom . any help will be appreciated
Wrong section dude!!:thumbdown:
We have "Q&A Thread")
sent from devil phone sga-i
(will buy Nexus 4 from Google)
akhilkumarco007 said:
when i tried to flash custom kernel i lost my imei ............. but i want to use stock rom . any help will be appreciated
Click to expand...
Click to collapse
just yesterday our rc iamareebjamal made this thread http://forum.xda-developers.com/showthread.php?p=42865031#post42865031
i thought for a while..
was that even necessary to made that thread ?
now i got my answer..he should have made it a year ago..
please read it..
now since u have asked,
take backup of imei via app galaxy toolbox before flashing kernel and restore imei after flashing..
and reboot..
it should.work...
if that doesn't work then don't hesitate to use search button and search about solution to that problem...
you will surely get solution cause imei is a well discussed problem and may be one of the most common problem after bricking..
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Problem with network connection on galaxy s3 gt i9300

I'm using a galaxy s3 gt i9300, android version 4.1.2, baseband version I9300XXEMB6. I currently had installed a custom rom ''Sotmax_Ultimate_Stock_V23_XXUFME7_HD_AR'' I managed to install it but when the network service provider requested the handset configuration (picture shown in the attachment) i clicked ok but then another pop up message appears saying ''temporary error occured in application. please try again later'' (picture shown in the attachment) I thought it was probably the custom rom so i reinstalled the stock rom of galaxy S3 but still the problem is there so until now i have no network connections on my phone .....so if there is anything i can do please help
Just go to your provider website, get the apn settings and enter them manually
slaphead20 said:
Just go to your provider website, get the apn settings and enter them manually
Click to expand...
Click to collapse
i dont think it will work because the network connection is telling me ''Emergency calls only'' and the attachment shows the picture of the device's status
Looks like corrupt imei.....have you had the MG4 modem on your phone?
slaphead20 said:
Looks like corrupt imei.....have you had the MG4 modem on your phone?
Click to expand...
Click to collapse
to tell you the truth i am still new to this stuff about android but when i installed the sotmax v23 romi did select the stock modem instead of selecting no changes to be made on the modem
Try ariza patch . Google it. You need to be rooted and busy box installed
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You need to provide details of what modem you are on.....I'd your imei starts 0049.....and it looks like it does, then you have probably at some time had one of the new format modems, so you need that (probably MG4) to get your imei back, unless you have a back up of it which I doubt.
Read read read read learn learn learn read read read learn more......then flash.
slaphead20 said:
You need to provide details of what modem you are on.....I'd your imei starts 0049.....and it looks like it does, then you have probably at some time had one of the new format modems, so you need that (probably MG4) to get your imei back, unless you have a back up of it which I doubt.
Read read read read learn learn learn read read read learn more......then flash.
Click to expand...
Click to collapse
yeah my imei starts with 0049....so how do i get the MG4 to restore my imei
Just flash the modem and all should be back to normal
Please go to general > sticky roll-up thread. In there read the imei / efs thread
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slaphead20 said:
Just flash the modem and all should be back to normal
Click to expand...
Click to collapse
is the xxemg4.zip safe
moodster1994 said:
sorry for bothering again but were do i get the MG4 file and which is best for installing it CWM or ODIN
Click to expand...
Click to collapse
Read the post immediately before the one I just quoted. Please don't pick and choose which answers to read. I dont post answers for fun. I wrote a thread with all the information you need because believe it or not, this is about the 15th thread posted today about this already
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rootSU said:
Read the post immediately before the one I just quoted. Please don't pick and choose which answers to read. I dont post answers for fun. I wrote a thread with all the information you need because believe it or not, this is about the 15th thread posted today about this already
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Click to expand...
Click to collapse
thank you very much it really helped me and sorry for doubting your post on the first look i thought it was about rooting
As long as you've read it now
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[q] i9300 imei problem!!!

Hi guys for like 7 days i have a I9300.....first i flash it with leaked 4.2 from tsar3000,then iv'e downloaded the official 4.1.2 and flash it again with some errors.....after that i repeated the steps with odin.....after the flash was finished my imei was damaged like 0000649 bla bla....iv'e fix it at work with nspro,but now if i flash a diferent rom i have to repair every time the imei even if the imei is shown ok in phone menu with *#06#,if anyone has the same problem and has fix it please share with me the fix.....thx in advance.
Did you read the sticky threads in general? The imei one?
Please ask questions in q&a. General is not for questions
-----------------------
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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
tiribomba said:
Hi guys for like 7 days i have a I9300.....first i flash it with leaked 4.2 from tsar3000,then iv'e downloaded the official 4.1.2 and flash it again with some errors.....after that i repeated the steps with odin.....after the flash was finished my imei was damaged like 0000649 bla bla....iv'e fix it at work with nspro,but now if i flash a diferent rom i have to repair every time the imei even if the imei is shown ok in phone menu with *#06#,if anyone has the same problem and has fix it please share with me the fix.....thx in advance.
Click to expand...
Click to collapse
Because MG4 roms and higher change your efs partition format if you stick above MG4 then your efs wil stay the same, where as if you go below, you will have to repair it and same goes if you wanna flash above MG4
Where can I find a list with mg4 roms.on tsar I found only one.....by the way sorry for the inconvenient can anyone move my bad post to the proper place on forum sorry again
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tiribomba said:
Where can I find a list with mg4 roms.on tsar I found only one.....by the way sorry for the inconvenient can anyone move my bad post to the proper place on forum sorry again
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Click to expand...
Click to collapse
Look in the S3 development forum! Basicallh all are ahead of MG4 now!
Thread closed. To the OP, please search before posting.

Yellow Text Overlay, No Power Menu, WiFi not working, SN shows all 0

I upgraded my I9300 to 4.3 and that's when I got the issue where in my WiFi does not work. I tried the ARIZA patch and it resolves the WiFi but my IMEI shows Unknown which causes my S3 not to recognize my SIM card and now a yellow text overlay comes up on my homescreen about my phone details, another thing is that I don't have a Power menu, S3 goes straight off when I press the power button. So I decided to downgrade to 4.1.2 but then again same problem existed which now includes back the WiFi which is not working. Please help.. :crying:
Your question has been posted multiple times . Forum rules require you to search before posting .
Google <<< I9300 your search terms > xda
STICKYS
http://forum.xda-developers.com/showthread.php?t=2344125
UNDERSTAND FIRST
http://forum.xda-developers.com/showthread.php?t=2362743
Network IMEI EFS
http://forum.xda-developers.com/showthread.php?t=2393289
Downgrade and network problems .
http://forum.xda-developers.com/showthread.php?t=2531221
JJEgan said:
Your question has been posted multiple times . Forum rules require you to search before posting .
Google <<< I9300 your search terms > xda
STICKYS
http://forum.xda-developers.com/showthread.php?t=2344125
UNDERSTAND FIRST
http://forum.xda-developers.com/showthread.php?t=2362743
Network IMEI EFS
http://forum.xda-developers.com/showthread.php?t=2393289
Downgrade and network problems .
http://forum.xda-developers.com/showthread.php?t=2531221
Click to expand...
Click to collapse
I know I should be reading the stickies but I just really don't have any clues where to start from here.
ocirne14 said:
I know I should be reading the stickies but I just really don't have any clues where to start from here.
Click to expand...
Click to collapse
Please help guys..
ocirne14 said:
Please help guys..
Click to expand...
Click to collapse
Are u stock or? Rooted?
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JellyYogurt said:
Are u stock or? Rooted?
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Click to expand...
Click to collapse
I downgraded to 4.1.2 then re-root it since I lost root after the downgrade.
ocirne14 said:
I downgraded to 4.1.2 then re-root it since I lost root after the downgrade.
Click to expand...
Click to collapse
U shld have no network right? Do u have a back up of ur efs? Can u give me ur build number?
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ocirne14 said:
I know I should be reading the stickies but I just really don't have any clues where to start from here.
Click to expand...
Click to collapse
Start from here:
JJEgan said:
UNDERSTAND FIRST
http://forum.xda-developers.com/showthread.php?t=2362743
Network IMEI EFS
http://forum.xda-developers.com/showthread.php?t=2393289
Downgrade and network problems .
http://forum.xda-developers.com/showthread.php?t=2531221
Click to expand...
Click to collapse
On that note, thread closed as question has been asked and answered numerous times. Please refer to the relevant threads.
A.cid
Forum Moderator

Not registered on network - IMEI IS OK

After flahsed HD revolution 51.0 (Didn't backup efs -.-) I got this network problem,I cant make calls/SMS. How can i solve it?..
I can'
Go read the efs sticky in general thread
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boomboomer said:
Go read the efs sticky in general thread
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Click to expand...
Click to collapse
I tried to flash a stock rom via odin but there's the same problem.
Imei is still fine.
I flashed 4.1.2 with modems and it works now. but i cant flash 4.3 without get this error? WHY?!
the whole stroy is: I changed IMEI in laboratory (they changed it to s2 imei, if this is important), because the Imei didn't work and after that I was trying reflash the SAME rom (HD Revolution) with full wipe and then get this network error.
What I tried:
reflash HD Revolution 51.0 with network error then flashed MG4 Modem that downloaded from somewhere then flashed zuluman patch and get null imei.
flashed stock 4.3 via odin>rooted>flashed custom 4.1.2(Gorgoid rom)+modems (XXDME4, DDEMG2)-didnt work>flashed MG4 Patch again>works.
How can I flash a 4.3 rom without get problems? I'M SICK OF IT!
*sorry for bad english, but pls need ur help guys i cant stick with 4.1.2 :S
XDA won't help with IMEI discussion, changing IMEI is illegal.
boomboomer said:
XDA won't help with IMEI discussion, changing IMEI is illegal.
Click to expand...
Click to collapse
They changed it because it's didnt work I had no imei or something like that..
Mod Edit
Discussing the changing of IMEI is not allowed on XDA.
Please refer to ,and post in the stickies in the General section.
Thread closed
malybru
Forum Moderator

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