[Q] AT&T i717 won't recognize AT&T SIM - AT&T Samsung Galaxy Note I717

Hey guys, I'm an AT&T subscriber on an AT&T phone, and I can't get service after flashing a ROM in CWM.
This morning I flashed my G~Note i717 to Padawan 7. I noticed I could make calls and text, but all of my cellular data would not work. After a quick google, I assumed that I needed to reflash a modem, so I downloaded a UCLF6 modem and flashed it in CWM. My data still did not work, so I reverted to a stock android 4.0.4 ROM. Now, not even my SIM card is recognized. Cannot call, text, or data (wifi is still functional). It isn't an issue with the SIM, as it works in my iPhone 3GS, and my friend said it worked in his Galaxy SIII (LTE included).
Any suggestions?
PS: I've tried finding similar topics. Most of it was people on T-mobile trying to get their service to work on an AT&T phone. Still, I tried their fixes and no luck.

If you have voice and text, but no data, the modem is ok. The base rom you had is from Asia so it doesn't have the at&t data settings. You have to manually input the APN in the wireless settings.
I don't have any advice about the stock rom and your sim card issue, except to do a factory reset and re flash the rom.

rangercaptain said:
If you have voice and text, but no data, the modem is ok. The base rom you had is from Asia so it doesn't have the at&t data settings. You have to manually input the APN in the wireless settings.
I don't have any advice about the stock rom and your sim card issue, except to do a factory reset and re flash the rom.
Click to expand...
Click to collapse
Tried this, but still no luck. Thanks for the info though, I didn't know that about the modems. Anyone else have any ideas? I really don't want to go back to my iPhone on this one, even for a little bit...

Check the apn settings very closely..
Upper and lower cases, spaces and periods etc.
Even one small error will fail the data connection.
Could you show us the APN you have now please ?...g

gregsarg said:
Check the apn settings very closely..
Upper and lower cases, spaces and periods etc.
Even one small error will fail the data connection.
Could you show us the APN you have now please ?...g
Click to expand...
Click to collapse
I can't open the APN settings. It's under Mobile Networks, right? It says I must insert a SIM card to access those features. (SIM card is in, btw).

Understood ...
If you reverted to a stock rom then yes, that field is likely locked.
But you can add new APN'S with a rooted stock rom.
And I'm sure the problem lies there....g

Double check you have the card in the slot correctly. Its not hard to mess that up. Possibly borrow a sim card from anyone else (doesn't have to be at&t) and check that. Sim cards do get fried.

gregsarg said:
Understood ...
If you reverted to a stock rom then yes, that field is likely locked.
But you can add new APN'S with a rooted stock rom.
And I'm sure the problem lies there....g
Click to expand...
Click to collapse
Any pro-tips/linkies on how to do this? Can't find anything that involves bypassing that little "Insert a SIM card to access these features" warning.
If it helps, my rooted ROM is 4.0.3 stock now, UCLD3.
Also, yeah, double and triple checked my SIM. It works just fine in my iPhone, and my friends' SIMs aren't recognized by the GNote.

No tricks I'm afraid .
If the "no sim" error persists, no APN additions can be made.
At this point, I would factory reset the device and try setting up again.
If that fails, I would Odin back to stock GB 2.3.6 and test again.
If you elect to Odin back, you must fully wipe the device first....or it won't be happy ...g
---------- Post added at 10:41 AM ---------- Previous post was at 10:35 AM ----------
UCLD3 rom???
That's either Rogers , bell , or telus ..
I'm thinking you have the wrong rom ???
You should have the latest UCLF6 for ATT if wanting ICS
full wipe and flash the link I'm gonna post for you, along with the correct baseband.
Stand by ...g
---------- Post added at 10:45 AM ---------- Previous post was at 10:41 AM ----------
http://d-h.st/Shk
Rom is UCLF6 rooted, pure stock .zip
---------- Post added at 10:49 AM ---------- Previous post was at 10:45 AM ----------
http://rootdev.org/i717/TU2/OTA/Apps/i717-ICS-UCLF6-Modem.zip
Here's the radio ...baseband
Flash both in CWM after "FULL" wipe ..
Hopefully that will help .....if not ...ugh
It would not be the first device failure, but lets try this first ....g

no Sim
I just went through the same thing had to take it to stock them wipe the flash data and sent it back for mechanical failure, got the new one overnight.

billwtsn said:
I just went through the same thing had to take it to stock them wipe the flash data and sent it back for mechanical failure, got the new one overnight.
Click to expand...
Click to collapse
Yes ....the Odin to stock method will repair the damage on occasion, but not always, as in the case of your device.
I'm hoping we get lucky on this one, but I'm not holding my breath.
OP ....I feel you should try the .zip method first, then Odin back second if it fails.
You may also have mechanical damage, but we need to exhaust our other options first ....g

The sim slot does fail occasionally, so get it stock and eliminate that.

Related

[FIXED] Radio Flash: No Sim

I have a quick question because I've run into a problem I can't seem to fix.
First, so everyone knows what I'm dealing with:
Phone: i717
Changes: Rooted (Shows super user access), CWM v5.5.0.4, Unlocked (Tested)
Rom: Stock AT&T Rom
Sim Card: Works in a T-mo branded Exhibit II 4G.
I flashed a radio (tried KID, 0331122 from the radio thread in the dev section, and reflashed the original AT&T radio).Even w/ the original radio installed, it cannot seem my T-Mo sim now.
Do I need to flash a new Rom or what? Wipe data to factory reset?
I would rather not change anything w/o asking since flashing radios seems to be a straight forward thing that most ppl have done w/o touching the rom.
Thanks ahead of time.
Mine worked with a rooted stock rom at first it didnt see the sim then i tried searching the network under wireless and networks it took a few minutes but then it came up.
Sent from my SAMSUNG-SGH-I717 using xda premium
don't forget if you are running an ICS based ROM you need an ICS based Radio/modem.
EDIT: i see you're running the original GB rom so you need the GB radio.
give it a few minutes to find a signal or go to settings/mobile networks/network operators. choose manual. then let it search a few minutes. then select t-mobile.
I find the Blaze 4G radio worked best for me, but depending on your area, your results may differ. try em all.
You guys are insanely fast.
I'm currently on the stock radio & I'm still getting the same message after letting the sim sit in the phone for 9 minutes (yes, I watched the clock, lol):
Insert SIM card to access network services
Click to expand...
Click to collapse
Where should I go from here?
Edit: Is the answer flashing another rom? Maybe something has become corrupt? I don't see how as I've read & re-read walk thrus for doing this to make sure.
I've done a little more reading. Flashing the beta ICS rom flashes to the old AT&T modem.
Would this be the best bet?
Edit: After looking through the "about" phone...
I'm on 4.0.3
Baseband: Unknown............. that's really bad.
Edit 2:
After reading, I needed to back up the EFS. No where is this stated anywhere, unfortunately. That contains IMEI and everything else.
Edit:
So, after reading MORE, the IMEI number is on a sticker behind the battery, along w/ the S/N.
Huh? Efs? I dont even know what that is nevermind backing it up. Goto clockworkmod and flash the radio.zip and reboot. Thats all there is to it.
Sent from my SAMSUNG-SGH-I717 using XDA
madman604 said:
Huh? Efs? I dont even know what that is nevermind backing it up. Goto clockworkmod and flash the radio.zip and reboot. Thats all there is to it.
Sent from my SAMSUNG-SGH-I717 using XDA
Click to expand...
Click to collapse
If you look up EMEI number related to flashing the radio, there's a lot of hits.
XDA has a thread on it here: http://forum.xda-developers.com/showthread.php?t=1352371
I'm quite shocked it's not mentioned everywhere as this happens to people now and again.
I have my IMEI number, i just don't know how to input it into the phone.
As for flashing the radio, I've flashed 2, then back to the original. To no avail.
Sorry never had anything like that. I would almost odin back to stock and start over. You dont need root for the sim to work on calls and edge with tmobile.
Sent from my SAMSUNG-SGH-I717 using xda premium
If you're baseband is unknown don't worry just flash a stock at&t modem and it should go back to normal. Your imei is under a different menu in about phone..the status one.
Also its no ones responsibility to tell you that modifying your phone may break it.
Sent from my SAMSUNG-SGH-I727 using xda premium
jamesd86 said:
If you're baseband is unknown don't worry just flash a stock at&t modem and it should go back to normal. Your imei is under a different menu in about phone..the status one.
Also its no ones responsibility to tell you that modifying your phone may break it.
Sent from my SAMSUNG-SGH-I727 using xda premium
Click to expand...
Click to collapse
I did flash back to the stock AT&T baseband as stated in the original post.
If I go to About Phone, the Baseband Version is unknown.
If I go to Status, the following are listed as
Network: Unknown
Mobile Network: Unknown
Service State: Out of service
Mobile Network State: Disconnected
IMEI: Unknown
IMEI SV: Unknown
I've backed up the EFS that I have no just so it doesn't degrade further. I'll try to flash again and see, but I still think the EFS is borked.
I'll see what I can, but I think I'll the EFS is borked beyond flashing it to normal.
My point about the EFS back up is that most ppl here don't seem to know what it is. It shouldn't be that foreign of a topic since flashing a radio is obviously problematic for some. I've seen other posts concerning no IMEI after flashing radios on forums other than XDA. It's odd that it's not mentioned as a sticky everywhere.
Backing up EFS would solve a lot of head aches from unlocking / radio flashing woes. I'm hoping this info will save a few people a lot of time and money.
After more digging, I came across this thread:
http://forum.xda-developers.com/showthread.php?t=1646326
Synopsis: Basically, he followed the same guide I did. The only difference is that I flashed the radio while using a stock AT&T rom. Once he flashed back to GB (saurom), he gained back his baseband / IMEI.
This is what I cannot figure out:
CWM will see and flash any radio file I push to my note. If I push a stock AT&T rom, it won't see it. If I put the rom in it's own folder, it seems the rom, but states there's no files.
Is CWM corrupted? Why would it only read firmware to flash radios, but not android roms? Should I just go back and install CWM?
I've searched all over & used google, but I can't find a thread discussing this.
Fixed.
This problem has nothing to do with any of the radios corrupting the EFS folder. Albeit, it's always a good idea to back it up.
Flashing back to AT&Ts stock rom (2.3.6 or 4.0.3) never fix the issue. You will always be stuck w/o a radio, at least from what I've seen. Even flashing back to the stock radio fails. I don't know if it changes the EFS, but AT&T's rom does not like it and shows no IMEI & a bogus SN .
I had to go back, flash to saurom and a compatible GB (or beta T-mobile) radio to get te work fine. ICS radios work fine on ICS.
Saurom and GB radios dont work in my i 717 trying to connect to wind. I got a CM 9 ICS build and ive tired a bunch of radios. they all failed. i keep getting no sim errors. I can see the operator but when i select it it times out and says it cannot connect to the network at this time. it also says interset sim. Im positive it is unlocked.
Modems(radios) or basebands should have nothing to do with whatever rom you are running. Whether they are GB, ICS, or JB modems, they should all work to a degree, at least for phone call ability. I have flashed many different radios trying to get the best function of my att note on t-mo. The best I got was using the Blaze modem. That got me 3g hspa.
The worst will be just giving you edge speed. My note is unlocked and has been on JB running blaze ICS modem working fine. Maybe you need to start over, evaluate what you have, and go from there. There are great threads on att over t-mobile. Good luck.
I picked my rom, and started flashing 5 or 6 radios, and found what one worked best on t-mo.
Presently, I have switched back to att- sort of- straight talk. I'm not thrilled with the speeds. No higher than 4 mbps DL, and 1-1.5 UL. Thinking about going back to t-mo and dealing with the slow UL speeds. I'm on an ICS rom with the ucle6 modem.
Also, flashing a rom does not change your modem. You have to physically reflash the modem you want. Some modems show up as unknown under the baseband. Blaze is one of them.
Another thought- sometimes a reboot will get your sim recognized by your phone.
sico987 said:
Saurom and GB radios dont work in my i 717 trying to connect to wind. I got a CM 9 ICS build and ive tired a bunch of radios. they all failed. i keep getting no sim errors. I can see the operator but when i select it it times out and says it cannot connect to the network at this time. it also says interset sim. Im positive it is unlocked.
Click to expand...
Click to collapse
This is yet another case of the "no sim" bug ....
Damn I wish we could find the answer to this issue, but none exist .....and for some users the return to complete stock even fails to recover service ..
g
Really what an incredible unlucky glitch.I got my note for only 360CDN good condition but missing the stylus, even still it was a good buy. I'm on Wind mobile, T-mobile here in Canada. I even gave it to somebody who's done a bunch and they ran into the no sim problem. I guess I'll be going back to my HTC HD2 and sell the note .
---------- Post added at 11:48 PM ---------- Previous post was at 11:44 PM ----------
So just to confirm I have followed the process correctly over 20 times and no matter which cm9 cm10 based rom and any ics or gb based radio will allow connection or recognize the sim to the 1700 aws network. With a cm9 based rom I can see my network, but it will not allow connection like the phone is locked, even though i have unlocked and tested the phone on other networks.
same here
Yes, I have the same 'No SIM' issue with a working WIND SIM. I've tried everything, multiple Radios, multiple ROMs. Very strange problem. I wish we had the tools that the SGSIII has for dumping and restoring the NV ram. Even stranger, I do have a the correct IMEI number in Phone, About. I have a feeling it's something to do with how the phones were carrier unlocked.
http://forum.xda-developers.com/showthread.php?t=1804117
I have made a backup of the EFS folder with EFS Pro. I tried restoring the NV ram from .bak but there was none found.
http://forum.xda-developers.com/showthread.php?t=1308546
tweebs said:
Yes, I have the same 'No SIM' issue with a working WIND SIM. I've tried everything, multiple Radios, multiple ROMs. Very strange problem. I wish we had the tools that the SGSIII has for dumping and restoring the NV ram. Even stranger, I do have a the correct IMEI number in Phone, About. I have a feeling it's something to do with how the phones were carrier unlocked.
http://forum.xda-developers.com/showthread.php?t=1804117
I have made a backup of the EFS folder with EFS Pro. I tried restoring the NV ram from .bak but there was none found.
http://forum.xda-developers.com/showthread.php?t=1308546
Click to expand...
Click to collapse
It has nothing to do with your unlock. If you've followed the steps and are still having no sim issue you may have to get a new 32k sim card from wind the older ones won't connect in a phone with lte
Sent from my SAMSUNG-SGH-I717 using xda app-developers app
Had to replace the TMo SIM card with a newer one today. Solved the problem of "No SIM".
I know this is old
I have the same problem with "NO SIM." One day i flashed so many things to my phone and one time i turned it on i got ATT on the top right corner and everything was good. I made some phone calls and texts and even browsed the web. I restarted the phone to check if it was just a fluke and it was. Ever since then i cannot get it to read my phone, but i know for sure the hardware works.

No 3G Icon or Data Connectivity

Hey guys,
Backstory (Not sure if important): I was running Villain ROM for a long time whilst I was over seas, and every time I used WIFI, my phone heated up a lot (around the camera), to the point where I couldn't hold it up to my face to answer a call. My battery also got fairly hot while charging my phone on a boat. During this time I had a lot of issues with it crashing and what not, but data was still working. I charged my phone at the airport and then I tried to turn it on once I got home and the battery was dead. But I had a spare one which I'm currently using.
Anyway, I flashed Resurrection Remix ROM 3.0.5 (22/08/2012) and it failed to work (boot loop), so I flashed Stock Telstra 2.3.6 ROM. Then I tried to re root it and flash RR again and it worked fine. I attempted for a long time to fix the problem by using different modems, and flashing different ROMs etc, but I decided to use Triangle Away to reset Binary Count and then I flashed my phone back with the stock Telstra ROM as I may send it off for repair if I can't fix it. I also used OTA to upgrade it to ICS.
I've made sure that airplane mode is off. I've enabled data/roaming in settings. I've made sure (using power button) that data is enabled. I've checked the APN's and their all correct. I've selected the proper network operator (Telstra). I've gone into USSD Code '*#301279#' and changed the revisions.
I went into the settings using the USSD code '*#*#4636#*#*' and went into phone information. When I click 'Run ping test' it fails with the errors:
Ping IpAddr: Fail: IP addr not reachable
Ping Hostname: Fail: Host unreachable
HTTP: Client test: Fail: IOException
When I press the menu key there is an option called 'Enable data connection', that when I press closes the menu (as if it had worked), but when I opened it again, it says the same thing. There is also never a 3G or Data Icon.
If anyone has any ideas on how to fix this, or anything to try, please let me know.
TL;DR: I've read pretty much everything I could find on Google and nothing is making data work or even appear.
Thanks,
Hi !
I got the I9100 G, and tried many custom AOSP AOKP based rom too. I noticed that I can't get data network with those custom roms.
I also tried to flash modems, reflash with fresh restart, full wipe, etc.. but still nothing.
So I went to a stock based rom, with the Divine rom. And everything work fine.
Now I'm on the RR v3.0.5 and still no data, just wanted to try agan this amazing rom.
But I have to switch back again to the Divine..
Try this one, it should work if you got the same issue, even if I still don't know what it is exactly..
Note that it's for G's only !
let me know if you find another way to get rid of this.
why not try RootBox rom.. it will help you out with the data network problem,,
tobanezam said:
why not try RootBox rom.. it will help you out with the data network problem,,
Click to expand...
Click to collapse
Rb for i9000G?
Swyped from my Galaxy SII
---------- Post added at 12:13 PM ---------- Previous post was at 12:12 PM ----------
nicomuk said:
Hi !
I got the I9100 G, and tried many custom AOSP AOKP based rom too. I noticed that I can't get data network with those custom roms.
I also tried to flash modems, reflash with fresh restart, full wipe, etc.. but still nothing.
So I went to a stock based rom, with the Divine rom. And everything work fine.
Now I'm on the RR v3.0.5 and still no data, just wanted to try agan this amazing rom.
But I have to switch back again to the Divine..
Try this one, it should work if you got the same issue, even if I still don't know what it is exactly..
Note that it's for G's only !
let me know if you find another way to get rid of this.
Click to expand...
Click to collapse
Check your APN settings, if it's correct
Swyped from my Galaxy SII
Rootbox for G's.. Yeah..
Already tested.. Not the latest but the v1.7 and it didn t work..
APN, modems, fresh restart, saving APN on a stock rom + restoring when on a custom like RR or RB, even CM9.. Tried all of this already.
But I didn't tried all modems..
Sent from my GT-I9100G using Tapatalk
I think it is due to your netwolkng

help

alright I got a problem that I need some help with alright this is how it started out I started flashing modem/radios to my rom and I flashed several different one (uclf3-6 and gb) it all started with a fix I tried from*http://forum.xda-developers.com/show...=straight+talk*after that it went all haywire I get text I get calls my apn settings are correct checked double checked triple checked I get no data at all use data packets is on im stumped I flashed odin stock and its still the same I cant figure it out can someone help me
Sk84all20 said:
alright I got a problem that I need some help with alright this is how it started out I started flashing modem/radios to my rom and I flashed several different one (uclf3-6 and gb) it all started with a fix I tried from*http://forum.xda-developers.com/show...=straight+talk*after that it went all haywire I get text I get calls my apn settings are correct checked double checked triple checked I get no data at all use data packets is on im stumped I flashed odin stock and its still the same I cant figure it out can someone help me
Click to expand...
Click to collapse
So first I want to say, the use of punctuation would make this easier to read. Could you please reform your help request like this:
1) what's the problem
2) what you've attempted to do to resolve it
3) where are you now. IE still not working.
4) what's currently loaded on the phone (stock or custom rom, which ROM and which radio and which service you're attempting to use this phone on)
From what I read it seems that you're currently having the issue that you can receive voice and sms but no data. Have you been able to receive data before? have you reset your device to stock? I believe you can do this using the Kies software from your desktop/laptop (if I'm wrong, please someone correct me). What carrier are you on? what radio are you using?
hope this is a good start point to get this resolved.
Theoriginalgiga said:
So first I want to say, the use of punctuation would make this easier to read. Could you please reform your help request like this:
1) what's the problem
2) what you've attempted to do to resolve it
3) where are you now. IE still not working.
4) what's currently loaded on the phone (stock or custom rom, which ROM and which radio and which service you're attempting to use this phone on)
From what I read it seems that you're currently having the issue that you can receive voice and sms but no data. Have you been able to receive data before? have you reset your device to stock? I believe you can do this using the Kies software from your desktop/laptop (if I'm wrong, please someone correct me). What carrier are you on? what radio are you using?
hope this is a good start point to get this resolved.
Service= Straight talk
Rom= Stock odin_n1717_cwm_recovery_b4_tar
Phone= Samsung galaxy note i717
Radio/Modem=i717-GB-Modem
1. the problem-Ok to start off the problem is i have no data whatsoever the icon don't even show. (Screen Shot) i can connect to wifi and have signal. I can call receive call send and receive texts.
2. what i have done to try and fix it-I Flashed several new modem/radios none of them worked it all started when i tried this fix i saw on the threads fix is bellow> after that i got no data what soever
3. I am currently sitting in a spot i always had service A.P.N settings are in fact correct. Im stumped please help me.
_______________________________________________________________________________________________________________________
[FIX] Straight Talk (NO DATA) | NO MMS | Galaxy Note I717
Hey guys! JALStudios here (Usually seen over at Galaxy S2 Forums) and I have a GREAT fix for you guys!
If you are having issues getting your Data to work and possibly MMS then you need to follow the steps below on how to fix!!
(MUST BE ROOTED)
1. Download Goldie's Special ROM! http://forum.xda-developers.com/show....php?t=1669170
**If you don't want to use Goldie's ROM then flash the UCLE2 Modem to your current ROM and then proceed with steps!**
2. Boot Into Recovery Mode (CWM)
3. Wipe Data/Factory Reset (3 Times)
4. Wipe Cache Partition
5. Reboot
6. Let Sit For 10 Minutes without touching!
7. Reboot again!
8. Go to APN Settings settings>mobile networks>access point names
9. Add New APN
10. Type in this Info:
Name: straight talk
APN: att.mvno
Proxy: 66.209.11.32
Port: 80
MMSC: http://mmsc.cingular.com
MMS Proxy: 66.209.11.32
MMS Port: 80
Authentication Type: PAP or CHAP
11. SAVE APN!!!!!
12. Reboot
Now you should have working data at FASTER SPEEDS!!!!! And MMS!
UCLE2 Modem (ICS ONLY)--DOWNLOAD
I hope that this works for you and please leave feedback below!!
Click to expand...
Click to collapse
Before you rooted/odin'ed your phone were you able to get data?
Yes but I was also able to get service on custom roms jelly beer,padawan etc. And ever sense I flashed that fix I got nothing
Sent from my SAMSUNG-SGH-I717 using xda app-developers app
I was rooted and running custom roms back and fourth like crazy trying to find the one for me and I also flashed several diffrent modems and then I found the fix I tried flashing different roms to see if that would fix it and it didn't so I odin'ed back to stock with no root still nothing so re-rooted and I flashed modem uclf2 and still nothing
Sent from my SAMSUNG-SGH-I717 using xda app-developers app
Sk84all20 said:
I was rooted and running custom roms back and fourth like crazy trying to find the one for me and I also flashed several diffrent modems and then I found the fix I tried flashing different roms to see if that would fix it and it didn't so I odin'ed back to stock with no root still nothing so re-rooted and I flashed modem uclf2 and still nothing
Sent from my SAMSUNG-SGH-I717 using xda app-developers app
Click to expand...
Click to collapse
Ok, what I would do first is flash back to UCLF6 baseband, clear cache, dalvik and perform a factory reset, see if that cleared it up. If it didn't I would attempt to eliminate any funky things that might be going on (maybe the radio didn't get updated when the odin flash was performed, maybe remnants are still lingering, who knows) I would use the Kies reset method found here http://forum.xda-developers.com/showthread.php?t=1731654 see if that clears up the issue as that should reset your baseband, your ROM, everything. This will unroot your phone if I recall correctly. if that corrects the issue, verify your baseband and then root the phone (if you want to) and go from there. Again, those are the methods I'd take personally if I were having this issue.
Re-root is needed to unlock APN settings on roms, and not all roms will allow APN changes.
(If the builds are Samsung TW roms or their variant builds )
The rom I "know" has working and pre-loaded APN listings for straight talk is Cyanogenmod 9 stable. (ICS build) and can be found on the Cyanogenmod website. (Device is quincyatt)
Testing this AOSP BUILD will eliminate the need for reloading APNs after flashing, and if combined with the UCLE2 baseband, should eliminate any variables with Straight talk APN issues.
Beyond a known and working AOSP build with ready APNs and proper baseband, if the device fails to function, you may have damaged the device.
Additionally, posting multiple threads for the same issue is frowned upon, and will draw moderator attention very quickly.
I hope this helps you ...g
---------- Post added at 11:45 PM ---------- Previous post was at 11:21 PM ----------
See here also .... http://forum.xda-developers.com/showthread.php?t=2075929
This user had similar issues, and you may have partition corruption also, by rapid flashing and restoring the device without proper cleaning.
I advise "extreme " caution when using Odin too partition or re-partition the device, and suggest that you PM the OP from the above link "Before" any partition adjustments are attempted.
I do not mean to sound harsh or condescending in any way. And I truly am trying to help you Sir.
Please be very careful ....g

[Q] Lost automatic connection with my data plan

Hi everybody!
Yesterday, I applied a custom rom to my Galaxy Note and after a successful installation, my data plan wasn't working like it used to be.
I have to say this isn't the first time I have done this, and in the previous opportunities after flashing the rom and rebooting, the EDGE/3G icon appeared by itself detecting my data plan. I never had to configure the APN settings (like it is said in many posts I have seen here).
So, when I realize that it wasn't working properly, I re-flashed the rom but didn't worked. So then, I downloaded the ICS stock rom and flashed it through Odin, hoping it would reset all things here and would give me the initial configuration, but that didn't work either.
I have entered through settings and deactivated/activated the options related to mobile data, but that icon never appears or my data connection showed up.
Forgot to mention that this phone was unlocked through cellunlocker by code, and that I can make phone calls with no problem and also the Wifi works fine... And thank you in advance for any advice/help that you could make
If it's happening with different ROMs then take a look at your modem (baseband). Are you using I717UCLF6? Go to System Settings-About Phone-Baseband Version.
Like ^^^^ said, and you didn't say it, but I'm guessing T-Mobile. So flash any ROM you like, reboot and let but settle in, then flash the Blaze 4G or whatever T-Mobile modem works best for you.
You did enter your APN info?
Agoattamer said:
You did enter your APN info?
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[Q] Baseband Version Unknown - tried everything!

Hi!
A day ago I had the 5.0.2 Ressurection remix 5.3.8stable installed on my i9100 and for a hour or so I had no service whatsoever. Tried reboot without SIM, then with SIM but it didn't work. Note that I have a PIN for my SIM and since the reboot it didn't asked me to type the pin. Very strange!
Since then I tried going back to CM11 4.4.4, then even to my stock DBT firmware (XXLS8 modem) and now even to the XWLP7 firmware (4.0 android), but no succes either! It still says No service, null IMEI, no bluetooth etc.
Also, tried flashing separate modems for my S2, via Odin / CWM.
Also, tried taking my phone apart, piece by piece and remounting everything, hoping that something went loose but again, no luck.
Please keep in mind that the SIM works perfectly on any other phone, so it's the phone...
I tried pretty much everything I can find on the internet at this moment, except the z3x/asansam dongles... Please help!
I now have like a freaking iPad instead of a phone ...
Wondering if you made a backup before you flashed? 1st thing you should always do for just such a problem. You could have reinstalled your backup and been up and running. Install a stock rom, re-root and install your custom rom.
Sent from my iPhone using Tapatalk
---------- Post added at 08:14 PM ---------- Previous post was at 08:11 PM ----------
It may be your sim pin screwing everything up. Did you wipe the phone completely before trying to install stock rom.
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Me and other people are having the same problem, i.e. establishing the network connection with customs ROMs based on other bases than stock samsung ones. What works for me is flashing a stock based ROM. I see you already have tried that so maybe you have messed up the efs folder.. I am not an expert but I think that might be the issue. Have you had a backup of your efs? If so you can flash that backup and hope you regain your connection.
You can follow this thread for any development in this issue.
http://forum.xda-developers.com/galaxy-s2/help/mobile-network-available-flashing-to-t3012387
PS: I also made a thread long time ago but its dead now where I mentioned all the things I tried on customs ROMs to regain service but none of it worked. For me, stock based ROM is the solution.
Unfortunately, I haven't backedup the EFS, but a friend of mine gave me his efs backup from his S2, tried mounting it but no success.

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