No signal problem? - Galaxy S II Q&A, Help & Troubleshooting

Hello, recently I've been getting a no signal problem with my S2 running SuperNexus ROM. Basically, I have no signal. I have a IMEI (I checked online, and it's legit) and I have a efs folder backed up from when the signal was working.
This happened to me already, and It was fixed by reflashing SuperNexus. Not this time.
How can I get signal back? The phone is unlocked. Shall I restore my old efs? Also, when I search for networks it says "Error while searching for networks".
Please help Any help is appreciated.
THE SOLUTION WAS:
Install https://play.google.com/store/apps/details?id=com.helroz.GSII_Repair&hl=en
Do step 1, and step 2. After step 2, reboot. Problem is fixed.

Either you factory reset & restore or you flash stock.
Are you sure it happened overnight?
Check the supernexus thread to see if this is a known issue.
Sent from the little guy

I checked the supernexus thread, and I didn't find anything. Also, I'm pretty sure it happened overnight. It happened like that the last time too. Also, I kinda want to avoid flashing more stuff. I flashed enough already. Can't be bothered to waste 30+ minutes getting everything configured again in settings.
I put my SIM into another phone, and a different SIM into my phone. On the other phone, I can call and I have signal, so not a SIM problem. Now, this is the stupid part: the other SIM works well on my phone! I get signal and I can call etc. so its not a phone problem.
What is this? So is it just my SIM can't work on my phone? I never saw anything like this! Anyone can help?

Network locked.
Sent from the little guy

gastonw said:
Network locked.
Sent from the little guy
Click to expand...
Click to collapse
What does that mean? And what can I do about it? I tried other SIMs from other networks on my phone, all work fine, and from my network, orange too.

Maybe your SIM is f#@$/d up.
I dunno, if you don't wanna come across these issues flash stock.
Sent from the little guy

I'm gonna try my luck with stock and then flash SuperNexus again. Also, how can my SIM works with other phones, but not with mine anymore? I don't really want to flash stock and then SuperNexus again, because I'm pretty sure it's just gonna come back again, like last time. Last time the solution was simple. I want this to be done and over with. My SIM is 4 years old, so maybe I should go to EE (as that's what orange is called now) and ask for a new SIM? I don't know :/ Also, what did you mean by network lock?

Try galaxy sim unlock just for kicks.
You could also ask for a new SIM, yeah.
Sent from the little guy

I tried Galaxy S2 ulock by chainfire, and it said that the unlock code is a few 0's. Does that mean anything?

I installed a few more unlocking things, and stuff related to it. I installd SGII_Repair, and after r/w mounting efs, I got signal back Such a weird solution! I kinda want to keep this thread going, as I don't know why that happened.... twice. I want to avoid this kind of problem, so I would like to find the source of it. If anyone can say something, that would be awesome.

Your EFS folder was kind of messed up then.
And you're right, it's weird because EFS don't get fu&*%%* up overnight.
Sent from the little guy

The problem is that I don't know how it got messed up xD Might do a totally clean flash, from stock ICS when I get some spare time. And I don't think that it actually was messed up. The first step of the app was to back up current efs. The second one was "force rw mounting on efs folder". I tried the app last time, the time I temporarily lost my IMEI, and it didn't work. So glad it's finally fixed, but I'm scared it will come again

Related

[SOLVED] I accidentally flashed odin with phone efs clear checked....

I accidentally flashed odin with phone efs clear checked....now I have no 3G and a little triangle in the nitification bar.....Can anyone help?
EDIT: OK its fixed, Thanks Gizmo. Didnt have an extra phone laying around to reactivate, So I just called Big Red and had them do it. Worked perfect and im all good.
Uh... I'm going to copy and paste this here since it's really the only answer you are going to get, and to help anyone who might come along later:
If your MEID number is still valid in Settings -> About Phone -> Status -> MEID, then you are probably ok.
You may be able to *228, option 1. If that doesn't do it, try *22899.
If that doesn't work, activate an old phone on your account, then after a few minutes, reactivate your Samsung Fascinate. This will hopefully restore any of the EFS data that wasn't getting pushed by the *228 activation.
If your MEID in the Settings menu doesn't match the one printed on your phone under the battery, then the EFS data was corrupted and unable to rebuild after you cleared it. The only realistic option at that point is having it sent to Samsung.
GrainOsand said:
EDIT: OK its fixed, Thanks Gizmo. Didnt have an extra phone laying around to reactivate, So I just called Big Red and had them do it. Worked perfect and im all good.
Click to expand...
Click to collapse
Good to hear!
So if you ever flash something with phone in Odin, you can call Verizon and they can fix it? I can't see myself doing that, but it's good to know, just in case.
No! I didnt flash anything in phone section of odin! What I did was flash adryns deodexed/debloated EB01. What I failed to realize was that a box named CLEAR PHONE EFS was checked. Everything worked I just lost ability to use 3G. Gizmos instructions were spot on and worked. The funny part is that I have used Odin multiple times without a prob, so be careful W/Odin. Im not sure what flashing in PHONE section of ODIN would do but I remember gunnermike doing it on purpose to see what would happen and I think he ended up having to get a warranty replacement.
Sent from my SCH-I500 using XDA App
As long as you have the radio file by itself, you can reflash that to fix the issue of flashing something with the "phone" option
Nevermind

No IMEI, Baseband version unknown, efs folder empty, no back up

I was with 3 and I legitimately unlocked my phone to move over to vodaphone.
The it wouldn't work. Wouldn't recognise the sim.
I sent it back to Vodaphone and they wouldn't touch it because there was a crack in the screen.
I got it home and did a bit of a google search and figured out it had something to do with the EFS file.
I rooted the phone and figured out that its completely empty.
I've tried a 1000's things. Looked at 1000's threads and I'm at a loss.
Is there ANY way to fix this at all?
I'm completely at a loss now.
Can I create a new nv_data.bin file and anything else that needs to be in the efs folder?
Happened to me before.
Well of course the way out will be send to service centre.
However, try a full flash to stock rom.
If it doesn't, try factory reset the phone, flash stock rom.
Since you have no backup, pretty tough here.
Sent from my Samsung Galaxy S II using XDA App
Maybe try GS_II Repair from the Market. No idea if/how it works (It's touted on here/on Market as your last best chance before sending it back to Samsung) as I've never used it & always backup my EFS.
If worst comes to worse, pm Odia, and apparently will repair it (edit: remotely) with a "donation". Instal app "team viewer" first;
https://market.android.com/details?id=com.teamviewer.teamviewer.market.mobile
http://forum.xda-developers.com/showthread.php?t=1103357
Apparently been quite successful, nearly but not 100%
Sent from my GT-I9100 using xda premium
nicregi said:
Happened to me before.
Well of course the way out will be send to service centre.
Click to expand...
Click to collapse
Is that how yours was fixed? I've already done that. They won't fix it.
MistahBungle said:
Maybe try from the Market. No idea if/how it works (It's touted on here/on Market as your last best chance before sending it back to Samsung) as I've never used it & always backup my EFS.
Click to expand...
Click to collapse
Yep tried that. Didn't work.
So follow Up In The Air's suggestion & get in touch with Odia & see if he can help, or send it back to Samsung. I'm betting Odia will be cheaper if he can indeed fix it.
Please Help!
Did your issue got resolved?
I am facing the same problem now. Although i didn't root my s2. Been using it stock since i bought it. Only today i got this no network error (baseband and imei unknown) when i was changing between some sim cards.. Anyone any ideas?? My warranty is still applicable since its just been 5 months. So will samsung cover it under their warranty?
I read in a thread that a user got their imei back by switching off, removing sim, switching back on.
Then they were able to backup efs with correct imei.
Then they switched off, put sim back in, switched on. Can't remember if it was a sim issue but you could try that.
Sent from my GT-I9100 using XDA App
aceofclubs said:
I read in a thread that a user got their imei back by switching off, removing sim, switching back on.
Then they were able to backup efs with correct imei.
Then they switched off, put sim back in, switched on. Can't remember if it was a sim issue but you could try that.
Click to expand...
Click to collapse
Tried that like a dozen times already.. Heres some more details regarding my problem:
1. My S2 wont detect any sim card (tried like 3-4 sims)
2. When i checked under settings>about i found imei and baseband version are missing and has been changed to "unknown" (*#06# returns a blank number)
3. Its just 5 months old and is in stock condition. (Not rooted and still running 2.3.3)
4. Cant turn off the flight mode (constantly shows in the upper right corner)
5. Cant connect my phone to kies (version 2.0.2.11071_128) on pc either
What do i do now guys? I dont have a proper service centre in my town. I was wondering if i can fix it on my own without making my warranty void..
Try GS_II Repair from Market, and failing that, contact Odia on here who might be able to recover your IMEI for a small 'donation'. Or you could send the phone in for warranty repair given you haven't been messing around with it like most of us here
You'd probably want to use the third option (send it in for warranty service). If you try and fix it yourself & stuff it up, you'll void your warranty & then you'll end up paying to have it fixed.
kreygor said:
Tried that like a dozen times already.. Heres some more details regarding my problem:
1. My S2 wont detect any sim card (tried like 3-4 sims)
2. When i checked under settings>about i found imei and baseband version are missing and has been changed to "unknown" (*#06# returns a blank number)
3. Its just 5 months old and is in stock condition. (Not rooted and still running 2.3.3)
4. Cant turn off the flight mode (constantly shows in the upper right corner)
5. Cant connect my phone to kies (version 2.0.2.11071_128) on pc either
What do i do now guys? I dont have a proper service centre in my town. I was wondering if i can fix it on my own without making my warranty void..
Click to expand...
Click to collapse
Any fix will probably void warranty .Try factory reset first.
jje
Sent from my GT-I9100 using xda premium
MistahBungle said:
Try GS_II Repair from Market, and failing that, contact Odia on here who might be able to recover your IMEI for a small 'donation'. Or you could send the phone in for warranty repair given you haven't been messing around with it like most of us here
You'd probably want to use the third option (send it in for warranty service). If you try and fix it yourself & stuff it up, you'll void your warranty & then you'll end up paying to have it fixed.
Click to expand...
Click to collapse
Thanks dude. Duly noted your point. Here are some more inputs from me:
1. So i tried GS_II repair from market but it requires for the phone to be rooted which mine isn't.
2. And first thing i tried after i faced this problem was doing a factory reset. Have done it over a dozen times by now and it does not solve it.
3. I faced this problem when i was changing between some sims cards within a couple of minutes. (Hope this doesn't void my warranty since i wasn't actually messing with it!)
4. As i mentioned in my earlier post, my town doesn't actually have a proper authorised service centre. So sending it for service would mean missing my baby S2 for over a month or two (which i find hard since i am so used to it by now)!
So my question is, can i flash an official stock firmware which matches with mine (i found one already here on xda, thanks you guys!) without having to root my phone or making my warranty void, and more importantly, will it solve my problem?
No reflashing a rom won't help, your best bet is to send it off to Samsung before you do anything that might void your warranty.
Sent from my GT-I9100 using Tapatalk
^ Precisely. As long as you have warranty you should use that to your advantage and keep from doing rash decisions that void your warranty. Good luck!
Seriously dude, don't try and fix it yourself. Regardless of how long you'll be without it, at least you'll get it back working and it won't cost you anything other than postage (I presume ?).
If you stuff up whatever you try to do to fix it, you might brick it, which means you'll be without your phone while Samsung fixes it anyway, only you'll be paying for it to be fixed. And given you've already spent however much you paid for the phone, do you really want to spend another couple of hundred bucks to have it repaired when you can get it fixed for nothing ?
As the very wise two posters above me have said, just don't risk it.
Thanks guys.. i have decided to send it for warranty repair then. I will make the visit tomorrow. Will be missing it lots! One hell of a great phone, it was like my mini computer
If i ever knew changing sim cards would screw it up so bad, i would never have done it!
Hopefully will post here later with the good news..
Gave my cell to the service center guys, told me to return later today so that they can examine it. Last i saw it they were fiddeling with it by some IMEI writer on a pc. Hope i get it back up and running soon.
While i was briefing them about my missing IMEI no. they told me that the reason behind it could be me using screen-lock-pattern on my phone. Is it true? Any one experienced it before?
Cool. Hopefully they sort it for you soon
That's interesting. I use a pattern lock mostly & have never seen a relationship between it and the IMEI going missing. What I have noticed tho (and I've seen other people report on here) is the IMEI/baseband go missing occasionally if you reboot the phone whilst connected to a charger.
This rights itself if you do a reboot (occasionally two) with the phone off charger. The first time it happened it scared the crap out of me I had an EFS backup so it would have been recoverable, but it happened out of the blue & I had no idea what caused it. I re-flashed my modem as a first step as the baseband was missing, and that seemed to fix it tho I suspect simply rebooting did the job.
kreygor said:
Gave my cell to the service center guys, told me to return later today so that they can examine it. Last i saw it they were fiddeling with it by some IMEI writer on a pc. Hope i get it back up and running soon.
While i was briefing them about my missing IMEI no. they told me that the reason behind it could be me using screen-lock-pattern on my phone. Is it true? Any one experienced it before?
Click to expand...
Click to collapse
The screen unlock codes are stored in the efs, both patern and pin so maybe that's correct, but efs and thus imei corruption seem to be random, I got it once updating my rom, I keep about 5 backups so I was ok, scary thought.
If you are going to root, first thing you should do after rooting is make an efs backup, hellcats ktool from the market is a good choice, easy and works well.
Sent from my GT-I9100 using Tapatalk

Baseband unknown / no imei

My amaze randomly one day just lost mobile connection. From the settings I says Baseband Unknown and no IMEI number. From the HBOOT (1.90.2005) system info it has the imie number listed there fine. But in Android it doesn't show.
Tried restoring using OTA tmobile rom, still no radio. Contacted tmobile and they said the phone is not blacklisted.
Is there anything that can be done to fix this?
ive read about ways to restore a missing/lost imei so i know its possible, but im not really sure off hand right away... id do a google for restore missing/lost imei and see what turns up...
Ninjistix said:
ive read about ways to restore a missing/lost imei so i know its possible, but im not really sure off hand right away... id do a google for restore missing/lost imei and see what turns up...
Click to expand...
Click to collapse
The ones I found googling did not apply to the amaze but tried some anyway, they didn't help. There is also a post here in amaze forums but it gave no fix.
madhacker3kxl said:
The ones I found googling did not apply to the amaze but tried some anyway, they didn't help. There is also a post here in amaze forums but it gave no fix.
Click to expand...
Click to collapse
I made a post about this a lil while back... Look for it here in the q&a ... It goes like this... Switch of phone... Take out battery...Take out sim and sd ... Put back in battery... Turn on phone... At this point I saw on the lock screen... No sim and I was like...no way! Switched off pulled battery... Put sim back in... Battery back in... Switched on and booya!
I fought for over a month trying to do that shiz.. I hope it helps u...I really do.
seto862 said:
I made a post about this a lil while back... Look for it here in the q&a ... It goes like this... Switch of phone... Take out battery...Take out sim and sd ... Put back in battery... Turn on phone... At this point I saw on the lock screen... No sim and I was like...no way! Switched off pulled battery... Put sim back in... Battery back in... Switched on and booya!
I fought for over a month trying to do that shiz.. I hope it helps u...I really do.
Click to expand...
Click to collapse
I have read the and tried multiple times the method you said. Still no luck. Do I have to keep doing the steps?
Since my HBOOT is able to read it fine, but Android is not. I am thinking the problem is at Android side. Even stock rom does not work.

[Q] Any rom- any modem - shows I have signal, but intermittently no calls or texts

Firstly, I'm not a noob.
Secondly, I've even opened the phone to see if there is anything loose.. I used to repair phones, and hardware wise everything looks fine. Plus, the issue can happen while the phone is just sitting there, it isn't caused by the phone being moved that I can tell.
So I might suddenly have a voicemail show up, because my phone didn't have signal. Or if I call out, it never gives an error of any kind, it just doesn't ring.. same idea with text, sometimes they just come in all at once.
But the whole time, it SHOWS I have signal. If I search for networks(Settings>more>networks>available networks) when I have no issues, it searches, and shows US or AT&T(which is odd since I have tmobile, but whatever).. if I do this while I AM having the issue - it doesn't search, and nothing shows. Hitting search doesn't do anything.
If I put into airplane mode and take it back out, it will show no signal until the problem goes away. Restarting the phone doesn't appear to solve the issue.
I'm at a total loss here. I've searched - a LOT. This is kind of a hard issue to search for, haven't seen anyone else describe something similar.. so I am just throwing this out here, hoping someone might have some thoughts?
Silentbtdeadly said:
Firstly, I'm not a noob.
Secondly, I've even opened the phone to see if there is anything loose.. I used to repair phones, and hardware wise everything looks fine. Plus, the issue can happen while the phone is just sitting there, it isn't caused by the phone being moved that I can tell.
So I might suddenly have a voicemail show up, because my phone didn't have signal. Or if I call out, it never gives an error of any kind, it just doesn't ring.. same idea with text, sometimes they just come in all at once.
But the whole time, it SHOWS I have signal. If I search for networks(Settings>more>networks>available networks) when I have no issues, it searches, and shows US or AT&T(which is odd since I have tmobile, but whatever).. if I do this while I AM having the issue - it doesn't search, and nothing shows. Hitting search doesn't do anything.
If I put into airplane mode and take it back out, it will show no signal until the problem goes away. Restarting the phone doesn't appear to solve the issue.
I'm at a total loss here. I've searched - a LOT. This is kind of a hard issue to search for, haven't seen anyone else describe something similar.. so I am just throwing this out here, hoping someone might have some thoughts?
Click to expand...
Click to collapse
did your efs changed?
cause if you have generic imei that should be the problem
MrAlez said:
did your efs changed?
cause if you have generic imei that should be the problem
Click to expand...
Click to collapse
I clearly said that I can receive calls and texts.. just not all the time. I had a problem with my EFS a long time ago, but was able to fix it, my IMEI is good, and I can't see any issue in my phone information(including serial, etc). As I said, this is an intermittent problem- right now I would say the issue only happens 20% of the time, maybe less.
It isn't often, but I have had multi-hour phone calls, and none have ever been disconnected by this issue, tho I feel like if I wasn't on the phone the issue would have happened at some point..
Let me point out that this has been going on over two months - in that time I have used stock roms, slim roms, every rom and android version from 4.1-4.4 and many kernels - none seemed to remotely effect the issue.
Is there a possibility of some strange modem thing? My friend has the us variant of the s3, and he has read that he can't downgrade his modem.. so I've avoided using any early modems just in case.. our phone seems to have less and less updated threads for things like modems.
Silentbtdeadly said:
I clearly said that I can receive calls and texts.. just not all the time. I had a problem with my EFS a long time ago, but was able to fix it, my IMEI is good, and I can't see any issue in my phone information(including serial, etc). As I said, this is an intermittent problem- right now I would say the issue only happens 20% of the time, maybe less.
It isn't often, but I have had multi-hour phone calls, and none have ever been disconnected by this issue, tho I feel like if I wasn't on the phone the issue would have happened at some point..
Let me point out that this has been going on over two months - in that time I have used stock roms, slim roms, every rom and android version from 4.1-4.4 and many kernels - none seemed to remotely effect the issue.
Is there a possibility of some strange modem thing? My friend has the us variant of the s3, and he has read that he can't downgrade his modem.. so I've avoided using any early modems just in case.. our phone seems to have less and less updated threads for things like modems.
Click to expand...
Click to collapse
Actually, you can change your modem, but if you went to the 4.3 version of touchwiz, try using other modem from another 4.3 tw, you can give a try, but dont use a 4.1 or 4.2 modem, just a 4.3 modem, (efs2)
MrAlez said:
Actually, you can change your modem, but if you went to the 4.3 version of touchwiz, try using other modem from another 4.3 tw, you can give a try, but dont use a 4.1 or 4.2 modem, just a 4.3 modem, (efs2)
Click to expand...
Click to collapse
I think that was when I had my original efs issue - I was unaware about not going down below 4.3 again- but like I said, that was fixed. Or at least I think it was.
Is there a process to going to efs1 type partition? Perhaps if I properly go back to the original type.. and then upgrade properly(all after backing up my EFS of course..)
I guess the real issue is- could this be related to my problem AT ALL? I mean I get reception most of the time(guessing80%+), and it doesn't even show a signal loss when I can't find a network operator by manually searching!
I guess another thing that has me curious - it shows US or AT&T as the network operators, even tho I am on tmobile(not even pre-paid or anything).. if I select US it works, if I select automatic, it works, if I select AT&T it says your sim card doesn't allow you to register on this network..?
I'm just at a loss, because it doesn't seem like a hardware issue.. I'm actually on the phone with tmobile at the moment trying to see if MAYBE it is something on their side, how they have me registered on the network.. something!
Silentbtdeadly said:
I think that was when I had my original efs issue - I was unaware about not going down below 4.3 again- but like I said, that was fixed. Or at least I think it was.
Is there a process to going to efs1 type partition? Perhaps if I properly go back to the original type.. and then upgrade properly(all after backing up my EFS of course..)
I guess the real issue is- could this be related to my problem AT ALL? I mean I get reception most of the time(guessing80%+), and it doesn't even show a signal loss when I can't find a network operator by manually searching!
I guess another thing that has me curious - it shows US or AT&T as the network operators, even tho I am on tmobile(not even pre-paid or anything).. if I select US it works, if I select automatic, it works, if I select AT&T it says your sim card doesn't allow you to register on this network..?
I'm just at a loss, because it doesn't seem like a hardware issue.. I'm actually on the phone with tmobile at the moment trying to see if MAYBE it is something on their side, how they have me registered on the network.. something!
Click to expand...
Click to collapse
Bro like the said says "Once you go black, you never go back" lol jk, i read somewhere that once you go efs2 is difficult to go to efs1 you will face "UNKNOWN NETWORK", the only thing you left to do is, restore to stock tmobile, root, use triangle away, unroot, flash again stock, and go to your network operator and tell them what problem you have, i think it my be a problem with the network problem idk more, im out of ideas, you should try that. thanks for reading
Silentbtdeadly said:
...
I'm at a total loss here. I've searched - a LOT. This is kind of a hard issue to search for, haven't seen anyone else describe something similar.. so I am just throwing this out here, hoping someone might have some thoughts?
Click to expand...
Click to collapse
Had this issue when I installed KK rom after stock 4.3
Fixed it with patched mg4 modem.
RazorMC said:
Had this issue when I installed KK rom after stock 4.3
Fixed it with patched mg4 modem.
Click to expand...
Click to collapse
So you're sure you were having an issue just like mine? I've read dozens and dozens of threads for tons of samsung devices.. I recall one of them talking about patched modems - any chance you can post the link or even upload a flashable? If this turns out to be a fix.. you will be a god among men!
Silentbtdeadly said:
So you're sure you were having an issue just like mine? I've read dozens and dozens of threads for tons of samsung devices.. I recall one of them talking about patched modems - any chance you can post the link or even upload a flashable? If this turns out to be a fix.. you will be a god among men!
Click to expand...
Click to collapse
Yeah more or less what you were facing. Internittent network drops.
Dropbox link for patched MG4
Let me know if it worked out.
PS: If that doesn't work, then you can also try a modem for your region. Currently using NA8 right now and no issues shifting between stock 4.3 and KK Roms
RazorMC said:
Yeah more or less what you were facing. Internittent network drops.
Dropbox link for patched MG4
Currently using NA8 right now and no issues shifting between stock 4.3 and KK Roms
Let me know if it worked out.
Click to expand...
Click to collapse
I'll definitely give it a try.. where is the source you found it from, how did you figure it out? I found this emergency zip uploaded by justarchi that looks like a patched modem.. is this it? http://forum.xda-developers.com/showpost.php?p=43946365&postcount=15
Otherwise, for curiosities sake, if you figured this out(and it does fix my issue), I am QUITE curious how you figured it out!
Silentbtdeadly said:
I'll definitely give it a try.. where is the source you found it from, how did you figure it out? I found this emergency zip uploaded by justarchi that looks like a patched modem.. is this it? http://forum.xda-developers.com/showpost.php?p=43946365&postcount=15
Otherwise, for curiosities sake, if you figured this out(and it does fix my issue), I am QUITE curious how you figured it out!
Click to expand...
Click to collapse
I found it on xda long ago. But since it took ages to find the link, I bookmarked the link so I could post without having to spend hours scouring threads for it. It was originally in the modem/baseband thread.
AFAIK, JustArchi was referring to old modems no longer working with stock 4.3 firmwares and the resulting corrupted IMEIs when you use old modems or tried to go back to 4.1.2.
This post on my thread recommended patched MK6 kernel + patched MK6 modem.
But I went with just patched MG4 and worked. The issue at that time was no network, but I've been able to resolve network drops with patched modem.
This is just my experience though.
Before you flash the modem, make a backup in PhilZ Recovery first. Backup efs and modem both.

[Q] Galaxy S3 Cyanogenmod is not a fun experience for me

Hello, first off I would like to say I'm terribly sorry for posting in the wrong section, but there isn't a section for the US Cellular Galaxy S3 and I don't want to spend an hour trying to find the correct section. Anyway, I've had my S3 for 1.5 years now and I finally decided to ditch Touchwiz and install Cyanogemod. So I got TWRP recovery, installed the correct cyanogenmod 11 version and gapps. I was extremely happy with the smoothness that I decided to text a friend. Text wouldn't go through. Nor could I make phone calls. Anyway I went into settings and it claimed my phone number was something along the lines of '000-000-9356' (Not entirely sure on last 4 digits) So I tried restoring to the backup that I had made, which did not work. Data however did work after tinkering with settings. Fast forward 2 weeks and I decide to try and fix the sms and phone problem. I couldn't find any help and stumbled upon a list of modems for SCH-R530U. Flashed one of those and when the phone booted back up, I had no data connection at all. I tried flashing the rest of them in a panic to try and fix what I broke but none of them changed the broken connection. I went into settings, about phone, status, and the phone says unknown for my network type, phone number, MIN, PRL version, MEID, IMEI, and ICCID. I know realize that I most likely have broken this phone beyond repair and I can't seem to find any fix or any stock firmware for my phone. If anyone could provide some help, it would be greatly appreciated instead of comments telling me to go to iOS, stating that I ****ed it up, or anything similar that I have recently gotten on other forums I've tried to get help from.
SamsungMakesMeCry said:
Hello, first off I would like to say I'm terribly sorry for posting in the wrong section, but there isn't a section for the US Cellular Galaxy S3 and I don't want to spend an hour trying to find the correct section. Anyway, I've had my S3 for 1.5 years now and I finally decided to ditch Touchwiz and install Cyanogemod. So I got TWRP recovery, installed the correct cyanogenmod 11 version and gapps. I was extremely happy with the smoothness that I decided to text a friend. Text wouldn't go through. Nor could I make phone calls. Anyway I went into settings and it claimed my phone number was something along the lines of '000-000-9356' (Not entirely sure on last 4 digits) So I tried restoring to the backup that I had made, which did not work. Data however did work after tinkering with settings. Fast forward 2 weeks and I decide to try and fix the sms and phone problem. I couldn't find any help and stumbled upon a list of modems for SCH-R530U. Flashed one of those and when the phone booted back up, I had no data connection at all. I tried flashing the rest of them in a panic to try and fix what I broke but none of them changed the broken connection. I went into settings, about phone, status, and the phone says unknown for my network type, phone number, MIN, PRL version, MEID, IMEI, and ICCID. I know realize that I most likely have broken this phone beyond repair and I can't seem to find any fix or any stock firmware for my phone. If anyone could provide some help, it would be greatly appreciated instead of comments telling me to go to iOS, stating that I ****ed it up, or anything similar that I have recently gotten on other forums I've tried to get help from.
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I have done a quick search for you and it seems to the same as the one from verizon. Thats what google told me and this link leads to so don't quote me 100% and it also states "This device does not have dedicated subforums, you may be able to find assistance in the Verizon subforums. "
http://forum.xda-developers.com/wik.../SCH-R530#XDA-Developers_Forums_for_the_Phone
According to us cellular it is a SCH-R530U with baseband R530UVXUCNF3 and android 4.4.2.
Have done abit or search but I will not post links as Im not familiar with it and don't want to be the one to give you a link to brick it so im afraid that's as far as I can go and suggest you go to verizon section
SamsungMakesMeCry said:
Hello, first off I would like to say I'm terribly sorry for posting in the wrong section, but there isn't a section for the US Cellular Galaxy S3 and I don't want to spend an hour trying to find the correct section. Anyway, I've had my S3 for 1.5 years now and I finally decided to ditch Touchwiz and install Cyanogemod. So I got TWRP recovery, installed the correct cyanogenmod 11 version and gapps. I was extremely happy with the smoothness that I decided to text a friend. Text wouldn't go through. Nor could I make phone calls. Anyway I went into settings and it claimed my phone number was something along the lines of '000-000-9356' (Not entirely sure on last 4 digits) So I tried restoring to the backup that I had made, which did not work. Data however did work after tinkering with settings. Fast forward 2 weeks and I decide to try and fix the sms and phone problem. I couldn't find any help and stumbled upon a list of modems for SCH-R530U. Flashed one of those and when the phone booted back up, I had no data connection at all. I tried flashing the rest of them in a panic to try and fix what I broke but none of them changed the broken connection. I went into settings, about phone, status, and the phone says unknown for my network type, phone number, MIN, PRL version, MEID, IMEI, and ICCID. I know realize that I most likely have broken this phone beyond repair and I can't seem to find any fix or any stock firmware for my phone. If anyone could provide some help, it would be greatly appreciated instead of comments telling me to go to iOS, stating that I ****ed it up, or anything similar that I have recently gotten on other forums I've tried to get help from.
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Click to collapse
have that problem on a Korean SKTELECOM phone, and I fixed it with a restore of my efs partition. if you dont have a backup of your previous efs partition, you must have to go to a samsung service center and fix it using some money.
I have the same phone and I flashed the same ROM. i had a horrible experience doing it. let me say that the ROM is awesome. but As we know it is a pain on the butt. I just can't do calls. I dial the number and it won't call. the camera app don't have a flash yet I think. and if you have a bad signal it gets worst. using your post I would like someone or maybe you if you know any other ROM to install on this phone. what is the best?
Sent from my SCH-R530U using XDA Free mobile app

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