not registered on network - Galaxy S III Q&A, Help & Troubleshooting

my s3 is saying "not registered on network " when i try to call someone ,is there a way of fixing this ??

blitz100 said:
my s3 is saying "not registered on network " when i try to call someone ,is there a way of fixing this ??
Click to expand...
Click to collapse
Could it be network locked?
Sent from my HTC One using Tapatalk 4 Beta

squabbi said:
Could it be network locked?
Sent from my HTC One using Tapatalk 4 Beta
Click to expand...
Click to collapse
its not locked it worked with any sim before

If you want help you must provide relevant info
blitz100 said:
my s3 is saying "not registered on network " when i try to call someone ,is there a way of fixing this ??
Click to expand...
Click to collapse
If you want help you must provide relevant info - and also be able to think a little for yourself!
Have you done anything special to the phone before that? Like programming a ROM in Odin?

Is the IMEI in place?

im new to the s3 and dont have a clue about what anything is. ive never done anything to it.....
xclub_101 said:
If you want help you must provide relevant info - and also be able to think a little for yourself!
Have you done anything special to the phone before that? Like programming a ROM in Odin?
Click to expand...
Click to collapse

Hi I think this may be an issue in some parts of the world, but not all. I have regular signal cuts like this in South Africa, but generally only when I'm in an area with weak cell signal. My wife also has a S3 LTE and gets the same signal cuts. When it happens I reboot my phone and it's fine again. I even went back to stock to test and it still happens on stock, just as it did when I first got the phone in November 2012.
I've been on AOSP roms the last few months and then it was fine, no signal cuts. Same with my wife's phone. Now I'm back on stock and the signal cuts are back, albeit not so often anymore, maybe one or two a week. I'm going to run stock for a few weeks and see if the issue persists.
What modem are you using? Have you changed it or is it the same modem that came with your phone?

quantumtraveler said:
Hi I think this may be an issue in some parts of the world, but not all. I have regular signal cuts like this in South Africa, but generally only when I'm in an area with weak cell signal. My wife also has a S3 LTE and gets the same signal cuts. When it happens I reboot my phone and it's fine again. I even went back to stock to test and it still happens on stock, just as it did when I first got the phone in November 2012.
I've been on AOSP roms the last few months and then it was fine, no signal cuts. Same with my wife's phone. Now I'm back on stock and the signal cuts are back, albeit not so often anymore, maybe one or two a week. I'm going to run stock for a few weeks and see if the issue persists.
What modem are you using? Have you changed it or is it the same modem that came with your phone?
Click to expand...
Click to collapse
the thing is it has worked perfectly fine before and randomly messed up .what is a modem

blitz100 said:
the thing is it has worked perfectly fine before and randomly messed up .what is a modem
Click to expand...
Click to collapse
a MODEM IS A MODULATOR DEMODULATOR . basically the bit that connects to the network .
Modem = Baseband .
\Suggest one factory reset two if that fails service centre and three read the basic faqs and guides .
jje

you need to search before you post. also, answer my question for further troubleshooting

Related

Low Reception On X10?

has any one else noticed the drop of signal on this phone? it works fine at home but as soon as I enter my college class room, the service can't be found, this is really annoying, I don't receive my texts till I exit the room and even then, every text I send seems to take ages to actually be delivered to the recipients phone. any one know of any fix for this?
running 2.1 official with pitch black theme. Xrecovery installed.
Did it start to happen after you installed the black theme?
Sent from XDA Premium from my X10a rooted running 2.2.1 Pure CM Rom from kxhawkins
no, its always happened. is this a problem all X10's have? as soon as I leave the room/college, it gains its reception again :|
I dont have that issue at all. Have you tried flashtool to try to fix the issue, or seus from sony? It could be a glitch in the phone. Have you used flashtool before? I can help you with that.
Sent from XDA Premium from my X10a rooted running 2.2.1 Pure CM Rom from kxhawkins
I have att x10a with 1.6 and I was constantly dropping calls worse than the iphone.. Called up ATT and they said swap the sim.. Did that and still nothing so they replaced the phone and so far no issues..
I've swapped sims, it didn't help, what would the flash tool do?
It's a hardware issue.
Not much you can do.
trojan92 said:
I've swapped sims, it didn't help, what would the flash tool do?
Click to expand...
Click to collapse
Its definitely a hardware issue, at least mine was.. If you’re under warranty get it replaced either via your carrier or SE
if I flash another baseband would that fix it? this phone works perfectly at home and other places, just as soon as I enter college, it loses reception. would another baseband be worth my time trying out?
trojan92 said:
if I flash another baseband would that fix it? this phone works perfectly at home and other places, just as soon as I enter college, it loses reception. would another baseband be worth my time trying out?
Click to expand...
Click to collapse
No.. i have a similar issue.
and there is nothing you can do.
I wrote a petition to my service provider about this.
And the fixed a problem with the tower. "only cuz i know they take budget cuts"
The gsm modem is full of ****.
I don't know if it's a software or hardware issue.
But so far there is no fix for it.
As I posted above I had this very same issue.. ATT says couple of their towers are still down in my area and could be an issue.. It isn't.. The replacement phone I got last Friday has been very good… So clearly it was an equipment problem.. Are you still within the 1 year warranty? If you’re get it replaced ..
gabnj said:
As I posted above I had this very same issue.. ATT says couple of their towers are still down in my area and could be an issue.. It isn't.. The replacement phone I got last Friday has been very good… So clearly it was an equipment problem.. Are you still within the 1 year warranty? If you’re get it replaced ..
Click to expand...
Click to collapse
Oh.. yes.. sorry.You may have a similar bad chipset.
Thanx for reminding me gabnj
But you say that it is only in class.. so no 100% way to be sure.

[Q] Anyone else with problems using TMobile Orange in the UK using a T - Mobile Sim?

Hi I am currently a T - Mobile customer and when I originally bought my Samsung Galaxy S2 with the company, I thought I could take advantage of using both the T - Mobile network and 2G services of the T - Mobile Orange Network.
However after successfully using it for the first 2 weeks, after my KE7 firmware update, I have an unbranded phone, it did not connect to the network anymore, stating, even if I manually select T - Mobile Orange in GSM mode only, Cannot registor with network, Unable to connect, then it states it is registered and yet I have emergency calls only stated and not either T - Mobile or even T - Mobile Orange. Then it will not connect to either network manually until I restart the phone.
I have since flashed my phone with various other firmwares, am currently on cognition s2 1.13, it's a great Rom, and still the same thing occurs.
I have contacted T - Mobile, they can't fix it, I have took the phone to a Samsung Repairer and they couldn't see anything wrong, stating it was a fault with Orange, as the guy in the shop's T - Mobile branded Galaxy s2 did the same.
Anyone solved the mystery, or is able to explain the issue to me?
It's doing my nut in, I have had phones like these for years, flashed them and enjoyed them, and usually work things out for myself, my last phone was an Samsung I8910, which was great with custom firmware support and I must say the Galaxy s2 is by far my favourite ever phone, but even my Samsung Omnia I8910 works properly on T - Mobile and Orange, and the latest and greatest phone won't!!
Have you tried flashing a different modem? Seeing as the cognition rom is based on I9100XXKG1, I know of a couple of forum members that have had trouble with the KG1 modem, and had to revert to the KF2 modem.
Worth a try? It won't wipe you phone of anything daft either.
List of official modems: http://forum.xda-developers.com/showthread.php?t=1131950
Before you do anything, can you dial*#1234# and just check what phone software is installed?
Thanks for the option Unfortunately I have tried the KE2, KE7, KF2 and KG1 Modems now, none of them have worked. It is really bizaar as the bloody thing works really well on T - Mobile, when there is coverage, plus the 3 and H is great speeds when they are in coverage, it just won't switch to Orange
mattisfaction said:
Thanks for the option Unfortunately I have tried the KE2, KE7, KF2 and KG1 Modems now, none of them have worked. It is really bizaar as the bloody thing works really well on T - Mobile, when there is coverage, plus the 3 and H is great speeds when they are in coverage, it just won't switch to Orange
Click to expand...
Click to collapse
one moment, I'm on t-mobile aswell.
text YES to 2121.
Homer moment: Doh, you cant text can you?
Just for reference, I'm with Orange and in my network list I have both "Orange" and "Orange and T-Mobile". I can connect to the Orange one fine, but not to the other one. It does switch to T-Mobile sometimes though. I've seen it do it.
Hi again, I have text yes to 2121, and it was working on my phone before. So yours has no issues then?
mattisfaction said:
Hi again, I have text yes to 2121, and it was working on my phone before. So yours has no issues then?
Click to expand...
Click to collapse
No, but I remember I used to have an everythingeverywhere app in data/private, which is no longer there.
I just texted yes to 2121 and now it lets me register on orange aswell as t-mobile.
stoney73 said:
No, but I remember I used to have an everythingeverywhere app in data/private, which is no longer there.
I just texted yes to 2121 and now it lets me register on orange aswell as t-mobile.
Click to expand...
Click to collapse
I just looked in data/private and do not have an everythingeverywhere app, plus I have just again text 2121 and still cannot use the orange network
Cheers for your advice though mate
johncmolyneux said:
Just for reference, I'm with Orange and in my network list I have both "Orange" and "Orange and T-Mobile". I can connect to the Orange one fine, but not to the other one. It does switch to T-Mobile sometimes though. I've seen it do it.
Click to expand...
Click to collapse
Cheers for the information
Unfortunately if I let mine automatically switch network, it switches to emergency calls only if I am out of a t mobile network range, not orange, and it used to switch to orange no problem
Then when it is in emergency calls only, I have to turn it on and off to get it to work at all, as it will not register back to T mobile
My last attempt......when you go into wireless/mobile network settings, is data roaming ticked?
stoney73 said:
My last attempt......when you go into wireless/mobile network settings, is data roaming ticked?
Click to expand...
Click to collapse
Yes it is, cheers for all your help. It's very frustrating and I can't fathom it out, so cheers for trying yourself
You don't need data roaming ticked in order to use Orange. T-mobile and Orange are both considered 'home' networks.
I'm on T-Mobile without data roaming ticked and it switches automatically to Orange without any issues. Might be worth phoning t-mobile up and seeing if there's some sort of issue with your account.
I installed Lite'ning Rom and found that I couldn't connect to Orange on my unlocked tmobile sim. Turned out that I had the "com.orange.authentication.simcard.permission" apk missing.
Downloaded it here:- http://www.contentsd.nl/apk/SimServicePermission.apk
and installed it with titanium and registered ok on orange.
Hope this helps.
dirobeshploppy said:
I installed Lite'ning Rom and found that I couldn't connect to Orange on my unlocked tmobile sim. Turned out that I had the "com.orange.authentication.simcard.permission" apk missing.
Downloaded it here:- http://www.contentsd.nl/apk/SimServicePermission.apk
and installed it with titanium and registered ok on orange.
Hope this helps.
Click to expand...
Click to collapse
I've just checked my simfree phone and it has the above apk installed. How on earth did you figure out you were missing this apk??
Joey2o11 said:
I've just checked my simfree phone and it has the above apk installed. How on earth did you figure out you were missing this apk??
Click to expand...
Click to collapse
Was browsing the list of stock apk's here:-
https://spreadsheets.google.com/spreadsheet/pub?hl=en_US&hl=en_US&key=0Ag43oj7rLQP4dENZcmhGN0ZUa3pHSENVeXlqUm5vV0E&single=true&gid=0&output=html
and noticed the "com.orange.authentication.simcard.permission" reference and when I checked via titanium it wasn't installed so I tried it and it sorted out my problem.
Hiya guys. Sorry to jump on this thread but I am having the same issue as OP. I'd just like to give you an update on what I know so far. It is a nightmare trying to speak to someone at T-Mobile who actually knows whats going on, but I was persistent and got through to an engineer who said that they are having transmitter problems in east anglia and surrounding areas...not sure if you are in that area or not. Unfortunately all the engineer said is that they are working hard to a. figure out what the problem is ang b. fix it! He also could not give me an ETA and said that the only way to get back onto the network is to reboot the phone a couple of times. Not ideal, but I though it was something to do with the VillainRom that I flashed...so here's stupid me flashing stock, bricking/unbricking the phone etc etc only to find out later that its not the phone...on the plus side I have amazing battery life now haha who would have thought ey!
Anyways, hope this information is useful to you all.
Steph
It is not a ROM issue - it is a T-Mobile/Orange fault
stephan.pieri said:
... I was persistent and got through to an engineer who said that they are having transmitter problems in east anglia and surrounding areas...not sure if you are in that area or not. Unfortunately all the engineer said is that they are working hard to a. figure out what the problem is ang b. fix it! He also could not give me an ETA and said that the only way to get back onto the network is to reboot the phone a couple of times. Not ideal, but I though it was something to do with the VillainRom that I flashed...so here's stupid me flashing stock, bricking/unbricking the phone etc etc only to find out later that its not the phone...on the plus side I have amazing battery life now haha who would have thought ey!
Anyways, hope this information is useful to you all.
Steph
Click to expand...
Click to collapse
Absolutely right Steph, it is not ROM related.
T-Mobile have acknowledged that there is a problem with registering T-Mobile customers on T'Orange cell towers.
I've been having this issue for a couple of weeks now (also in East Anglia), and after a lot of perseverance I got transferred to Level 2 support (Technical Support - not Customer Support) last Monday. They said there was a 'rectifier problem' on a mast in Henny Street, near Sudbury, Suffolk at the end of June and it has had a knock-on effect on other masts in the area. It was/is a level 2 priority for fix.
I wasn't happy with that explanation as it happens all over Suffolk!
Still with the issue on Thursday, I called them again and got straight through to Level 2 as they had marked my account as an on-going problem which Customer Support (in the Philippines) couldn't handle.
While explaining in detail the 'Your SIM does not allow you to connect to this network' problem the Guy I was talking to received an internal notification that they were aware of issues registering on T'Orange cells, that they'd known about it for 72 hours, have no idea what is causing it, and no eta to fix.
I've been using a forced connection to T'Orange for the last couple of days (poor T-Mo signal in house which always caused it to hunt for T'Orange anyway). Downside of course is that it won't get a 3G signal when forced into T'Orange mode.
Still happening today so need to give them another prod...
Oh, and I found this thread searching for answers - I don't have a Galaxy S, I have a Desire. Further proof that it isn't ROM related.
I'll update when I find out more from them.
Aaron
Just spoken to them again, problem is still on-going, they are still investigating and looking for more samples of the problem to try and isolate the issue. In light of that I would suggest anyone else having this to phone them and ask for Technical Support and register the fault - the more samples they have, the better chance of getting it resolved.
In other words, they still don't know what's causing it or when they'll fix it.

No network or sim is not ready

Hi guys I got a big problem, hope u can help.
I have this phone for a couple month already, when I was still running stock I discovered my cell phone would tell me I got no signal. Turning on air plane mode and then turning it off didn't help to get back signal. So I had to turn off the phone and turn it back on to get back my signal. Problem is I never know when it happens until my wife asks me y my cell phone is switched off. So I went ahead rooting it and I flashed a rom on it. But problem isn't gone. I still lose signal but on this rom it shows me full bars, only cannot make phone calls,SMS,and gprs. Tells me no network or no sim card is inserted. I always have to turn off and turn it back on. Now that it is rooted with whatever firmware I can't bring it to Samsung store to fix
please any suggestions?
Sent from my GT-I9100 using XDA App
Maybe you could try another sim card. Just a thought
Sent from my GT-I9100 using xda premium
Happened to me just like u describe it , i flashed many Basebands and i found that XXKI4 modem solved my problem maybe you should try too
Sent from my GT-I9100 using xda premium
Sounds more like a carrier problem. I'd ring them. Check your APN settings too.
Hi,
I have similar issues. Doesn't matter where I am and how good the network coverage is on all other phones around, my SGS2 keeps changing the coverage icon, from 1 to 4 "sticks" of indicator, or to no coverage state (crossed circle icon).
Sometimes the wireless is not working also, or juts gets very weak signal, though the signal is good on other devices near by.
When I try to turn data network (by pressing the power button and selecting data network activated from the pop up) sometimes it's not even showing the data network icon in the system bar (top of the screen), it's like being disabled data network or something.
I can answer a call and stay on conversation for no longer than a minute, then the signal goes dead and the phone just freezes, when I try to tap red button to end the call - no reaction, I have to turn the phone off.
When I try to make a call it just says "dialling" for ages with no result and eventually the phone freezes, so I have to turn it off and back on again.
Sometimes it turns off itself though the battery was showing almost full icon.
I went to O2 store, they gave me new SIM card, but it didn't help, so it's not a SIM issue.
I did a full (hard) reset - no help.
The guy from the O2 store told me, that I can root my phone, and I will not loose the warranty (I purchased the phone only one month ago), only thing I need to do is to revert it back to original state before bringing it (in case of hardware replacement).
But if it is not a software issue at all, so what's the point of rooting and having all the hustle, then reverting, etc... Can there be some hardware issues? I don't know: antenna, RAM, CPU, whatever???
I hope I've explained everything clearly enough. Any ideas would be appreciated. Thanks in advance.
What firmware are you on have you tried to Upgrade via KIES .
Rooting will void warranty and will also increase the custom rom counter from zero . Yes they can be reset in most cases .
Rooting will not fix anything at all .
Network is first check are you getting problems at all locations .
When in the O2 store did they check the signal ???
Choice return to service centre
Flash a stock Samsung firmware via XDA possible to also try a different modem via XDA .
None of these will fix hardware problem .
Personally i would factory reset the phone and check all the network details are correct on the phone then return to service .
jje
burimii said:
Happened to me just like u describe it , i flashed many Basebands and i found that XXKI4 modem solved my problem maybe you should try too
Sent from my GT-I9100 using xda premium
Click to expand...
Click to collapse
Gonna give this a shot ty
Sent from my GT-I9100 using XDA App
when you have this problem check if you have an imei (*#06#) if the response is empty then you have to reflash...
Hi all again,
after posting my previous post I phoned my friend during a lunch break at work. We had a quite long conversation and the quality was perfect. Then on my way home I turned on data network and enabled GPS (LOL), then launched navigation app and it took me home without any bugs (I know my way home though I did it only for phone testing).
Now back home, sitting in my room and my SGS2 starts to fool around again: unable to turn on data network, poor wireless signal (but it's good on my PC), the network coverage icon turns into "no signal" state and comes back to normal again all by itself.
I will definitely test my phone again tomorrow on my way to work and in the office. But it seems like there's something wrong with the place that I live. I've moved in recently and must admit, that all my problems with the phone started only then. And I didn't noticed any bugs while at work or anywhere down town.
Meanwhile is there any way to scan/check the area around my flat? Maybe there's something wrong with the in house router, or maybe to many routers in surrounding flats, or some other equipment/hardware things messing up, or just a mysterious house blocking O2 network and hacking the phone LOL??
The only strange thing is that I'm having not just a network/coverage/wireless issues, but the phone freezes, battery full-empty-full-empty status randomly, etc...
BTW, my details:
Model: GT-I9100 (not a I9100G)
PDA: XWKJ1
PHONE: XXKI4
CSC: O2UKJ1
Android version: 2.3.5
Updated via KIES about a month ago, was working good until now. KIES says that at the moment I have the latest firmware.
burimii said:
Happened to me just like u describe it , i flashed many Basebands and i found that XXKI4 modem solved my problem maybe you should try too
Sent from my GT-I9100 using xda premium
Click to expand...
Click to collapse
Lol I was just about to download modem xxki4 when i found out i was running checkrom(ROM) wish XXKI4 modem(baseband) haha
ya so im running this modem already with the above problems so this isnt a solution
any more suggestions pls?
rothariger said:
when you have this problem check if you have an imei (*#06#) if the response is empty then you have to reflash...
Click to expand...
Click to collapse
I did that and got a response so I guess I don't need to reflash thx
Sent from my GT-I9100 using XDA App
therealnoob said:
I did that and got a response so I guess I don't need to reflash thx
Sent from my GT-I9100 using XDA App
Click to expand...
Click to collapse
Its a question of has it the original IMEI .
jje
burimii said:
Happened to me just like u describe it , i flashed many Basebands and i found that XXKI4 modem solved my problem maybe you should try too
Sent from my GT-I9100 using xda premium
Click to expand...
Click to collapse
Alright I tried ki4 same problem, ki1 and some other I don't remember with the same problem and am rite now on ke7 for a week with no signal lost so far wohoo, and am on checkrom. 4 BTW so switching modems so easy, got its own kitchen application
just for info I'm in China using China mobile
Sent from my GT-I9100 using XDA App
therealnoob said:
Alright I tried ki4 same problem, ki1 and some other I don't remember with the same problem and am rite now on ke7 for a week with no signal lost so far wohoo, and am on checkrom. 4 BTW so switching modems so easy, got its own kitchen application
just for info I'm in China using China mobile
Sent from my GT-I9100 using XDA App
Click to expand...
Click to collapse
false enthusiasm....
let me list the modems ive tried so far
xxki4, nefk2,xxki3,nekd5,xxki1,xxke7,xxkg3(on this one right now since morning),xxkh3 and xxkl1
6 more modems on the list havent tried, wish me GL

[Q] Problem with cell network

I am admittedly a noob when it comes to Android phones. I have had my i777 for a few months now and have successfully bricked it more than once. Having said that, I have found that the answers to my questions have always been on the board somewhere. I am having troubles figuring out where to go with this portion of the issue though. Having tried several different ROMs for my phone, I keep having the same issue. With any ROM, other than stock, I miss phone calls or text messages when my phone is locked and on Wi-Fi at home. If I'm out and about with my phone in my pocket and locked, it works normally. But, if I'm at home working at my desk and the phone is locked, I will not get text messages or phone calls. Notifications from apps like CNN continue, but nothing from the mobile network. I have followed the guide to return to stock and built my own jig that worked to reset my flash counter as I flashed before I read when I got the phone. (Former iPhone user that just assumed it was as easy as a jailbreak, really really dumb on my part)
I am a tech geek. I follow instructions well. I am sure the problem is with my phone and not the ROMs. My question for the forum, is where to begin troubleshooting the issue. I want to be able to use these ROMs.
Some info that may be helpful:
Baseband: I777UCKH7
Kernel: 2.6.35.7
I have tried the following in no particular order:
UCKK6-SHOstockV1.9.2noWipe
Serendipity_8.2
update-unnamed-v2.2.1-full
ICScrewD_2.1
TurkbeyRom-v33
Each has individual issues that I can deal with and learn to fix, but the phone issue I, obviously, cannot get past.
Have you set the phone to keep the wifi active when sleeping or locked?
Miami_Son said:
Have you set the phone to keep the wifi active when sleeping or locked?
Click to expand...
Click to collapse
No I have not. Does the wifi connection prevent the cell network from connecting?
cell network shouldn't disconnect at all if it is, swap it out could be bad phone. Also what is your signal level at your desk at home? Low signal normally causes missing of messages.
Puff3r said:
No I have not. Does the wifi connection prevent the cell network from connecting?
Click to expand...
Click to collapse
No, it doesn't.
Do you use any 3rd party apps like tasker?
When did this issue start? Perhaps there is an issue with the tower that serves your home. How strong is your cellular signal at home? I believe text messages (except MMS) are sent over the cellular network. Your being on wifi shouldn't matter (does being at home with wifi off and the phone locked still cause issues?).
I can't imagine other ROMs causing issues, though. If anything, they would mess up your data network only if they had the wrong APN settings for your area (for example, for a while, people using Unnamed didn't have data issues, except for a few like me who lived in certain areas with Cingular towers). Or maybe the stock modem files are better for you than the ones provided by the ROMs?
Maybe you have an old sim card that somehow has issues? You should be able to get a free one from at&t. Do you have another phone that you can test it with?
nh5 said:
cell network shouldn't disconnect at all if it is, swap it out could be bad phone. Also what is your signal level at your desk at home? Low signal normally causes missing of messages.
Click to expand...
Click to collapse
I keep a minimum of 3 bars and live near the center of a large city. As stated in the op, this is only happening on added ROMs never on stock. I have again reverted to stock (+root), since the op, and confirm that I am getting messages and calls at my desk at home with the phone locked.
****************************Edit for SoCaliTrojan post********************************************
I do not have any additional task managers installed, I've just always used the one built in. As for the SIM card, I am using the one that I got with the i777 at upgrade and get the 4G network when not on wifi, so I think I can rule it out. My wife has a Note that I have been drooling over, guess I will have to "borrow" it for "testing" when she gets home from work.
Also, I notice I am on baseband KH7 with Android version 2.3.4. I see mention of KK6 and 2.3.6 on the forums. I have avoided flashing the baseband, when possible, to keep from possibly bricking the unit. Is it possible that upgrading these could resolve the issue?
That is a very weird problem. Only thing I can suggest is compare the APN settings in root with a custom rom's settings. They should be identical, but check anyway.
Sent from my SGH-I777 using xda premium
Puff3r said:
As for the SIM card, I am using the one that I got with the i777 at upgrade and get the 4G network when not on wifi, so I think I can rule it out.
Click to expand...
Click to collapse
OK, I have to ask since seeing the above, do you have a plain SGSII or a SkyRocket?
Miami_Son said:
OK, I have to ask since seeing the above, do you have a plain SGSII or a SkyRocket?
Click to expand...
Click to collapse
It is branded GalaxySII on the back with model number sgh-i777.
Puff3r said:
It is branded GalaxySII on the back with model number sgh-i777.
Click to expand...
Click to collapse
Then it isn't connecting to 4G networks.
It's labeled as "4g" but really just multiple 3g connections to give you a faster overall speed. But you might want to just try getting a new sim card at your AT&T store, if that doesn't work, try a different modem (like KK6) the whole list/downloads are in the development section.
penguinlogik said:
It's labeled as "4g" but really just multiple 3g connections to give you a faster overall speed. But you might want to just try getting a new sim card at your AT&T store, if that doesn't work, try a different modem (like KK6) the whole list/downloads are in the development section.
Click to expand...
Click to collapse
I made AT&T upgrade me to a n LTE sim card. Our phone disent have LTE but the newer sim cards supposedly will make your speeds faster when LTE does come to your area due to it pushing HSPA+ faster than enhanced backhaul.
You said you live in the center of a big city maybe being surrounded by a lot of tall buildings could be causing havoc on your cell reception.I know at my work I can send and receive messages and calls everywhere except our breakroom but everyone else's phone works fine in the breakroom.
Sent from my GT-I9100 using xda premium
If I was wanting to pit a new modem on my sgs2 att phone what do I need to do?
Sent from my SAMSUNG-SGH-I777 using XDA

Trying to reflash my galaxy s ii

So I managed to flash my galaxy s ii the other day because I was having issues with my internet and wanted to find out if it was samsungs firmware causing the issue, or the phone, or just at&t.
Well long story short, it flashed fine, but same horrible speeds. At this point I want to take the things back to at&t and tell them to give me a new one, but obviously the second they see it rooted they wont help anymore.
So I went into the boot menu and told it to restore, that seems to work fine, but then when it tries to make calls there is no sound at all not even a dial tone, but everything else seems to work fine.
I had this issue with several other roms also. I tried finding the at&t samsung gingerbread firmware for my device, but all I can find is firmware for other countries.
Is there an U.S AT&T gingerbread firmware/roms for the galaxy s ii on here that I somehow missed? Thanks.
Also mine appears to be a GT-i19100, I saw some info about reflashing it but all of them had like letter at the end of the model and I dont see that anywhere on mine.
Actually I pulled the battery and it appears its a SGH-I777, so I guess im in the wrong thread, sorry
Darcw0lf said:
So I managed to flash my galaxy s ii the other day because I was having issues with my internet and wanted to find out if it was samsungs firmware causing the issue, or the phone, or just at&t.
Well long story short, it flashed fine, but same horrible speeds. At this point I want to take the things back to at&t and tell them to give me a new one, but obviously the second they see it rooted they wont help anymore.
So I went into the boot menu and told it to restore, that seems to work fine, but then when it tries to make calls there is no sound at all not even a dial tone, but everything else seems to work fine.
I had this issue with several other roms also. I tried finding the at&t samsung gingerbread firmware for my device, but all I can find is firmware for other countries.
Is there an U.S AT&T gingerbread firmware/roms for the galaxy s ii on here that I somehow missed? Thanks.
Also mine appears to be a GT-i19100, I saw some info about reflashing it but all of them had like letter at the end of the model and I dont see that anywhere on mine.
Actually I pulled the battery and it appears its a SGH-I777, so I guess im in the wrong thread, sorry
Click to expand...
Click to collapse
Www.sammobile.com
Sent from my GT-P7510 using xda premium
So I went to the link, followed the guide on the site and it didnt work. When I open up odin and hit start it does nothing. I tried using the zip file in the boot menu to install the rom and that didnt work either, just failed.
I eventually went into recovery mode and this worked, but at the boot screen I still have the yellow exclamation mark and it says I9100, is there any way to get rid of that?
Darcw0lf said:
So I went to the link, followed the guide on the site and it didnt work. When I open up odin and hit start it does nothing. I tried using the zip file in the boot menu to install the rom and that didnt work either, just failed.
I eventually went into recovery mode and this worked, but at the boot screen I still have the yellow exclamation mark and it says I9100, is there any way to get rid of that?
Click to expand...
Click to collapse
http://forum.xda-developers.com/showthread.php?p=22462960
Sent from my GT-I9100 using xda premium
oh gawd, tooo much for gingerbread, think I will try throwing ics back on it and do it that way, thank you very much for the info though. Helped alot
Darcw0lf said:
oh gawd, tooo much for gingerbread, think I will try throwing ics back on it and do it that way, thank you very much for the info though. Helped alot
Click to expand...
Click to collapse
Root and install rootbox.. You won't be disappointed
Sent from my GT-P7510 using xda premium
Im actually using phone bricker, lol. Was the only one I could get everything to work with, including the back button on my phone.
Darcw0lf said:
Im actually using phone bricker, lol. Was the only one I could get everything to work with, including the back button on my phone.
Click to expand...
Click to collapse
In any case you'd probably be better off sticking to i777 ROMs.
Im actually more confused than I was before, I actually just switched from AT&T to tmobile. Now my phone can make calls fine, but I cant get on a data network.
Any clue why?
Darcw0lf said:
Im actually more confused than I was before, I actually just switched from AT&T to tmobile. Now my phone can make calls fine, but I cant get on a data network.
Any clue why?
Click to expand...
Click to collapse
You still using the i777?
My guess is that your APNs are still set to AT&T.
Also, even if you do get mobile data working, you'll probably be limited to Edge speeds since the two networks use different frequencies for mobile data.
ctomgee said:
You still using the i777?
My guess is that your APNs are still set to AT&T.
Also, even if you do get mobile data working, you'll probably be limited to Edge speeds since the two networks use different frequencies for mobile data.
Click to expand...
Click to collapse
And thats something that cant be changed? I learned a long time ago to take what sales people say with a grain of salt, they were telling me since both the tmobile galaxy s 2 and the at&t version are both 4g phones it will work if flashed right.
But then again they didnt even know what data throttling is
I found a section in my phone in the mobile network settings for network operators, and tmobile is listed, once they finally port my number over in 24 hours I will give that a shot and see if it works. Other wise I will probably be buying the htc one.
Darcw0lf said:
And thats something that cant be changed? I learned a long time ago to take what sales people say with a grain of salt, they were telling me since both the tmobile galaxy s 2 and the at&t version are both 4g phones it will work if flashed right.
But then again they didnt even know what data throttling is
I found a section in my phone in the mobile network settings for network operators, and tmobile is listed, once they finally port my number over in 24 hours I will give that a shot and see if it works. Other wise I will probably be buying the htc one.
Click to expand...
Click to collapse
Nope can't be changed on the i777. The i727 can apparently be flashed to work on T-mobile's 4g, but not the i777. It's a hardware issue.

Categories

Resources