signal issue, can only get stable 2g (gsm) - AT&T Samsung Galaxy Note II

hi. i have an issue with my note 2 i317m. since a week or two ago, some friend and family have told me that they cant call me, but i see that i always have 3 or 4 signal bars, i never see the phone whit no signal, i restored the phone and updated my firmware to the latest on my contry (telcel from mexico) and it keeps happening, i also flashed custom roms like d3 and skynote and diferent modems but just to get the same ressult, i noticed that when i havent used the phone for like 20 minutes this problems happens, and this mostly happens when the screen is off, so when i turn on the screen and make a call i can do it with no problem, and i can receive calls for like 20 minutes before the signal drops again.
yesterday i set the phone to only gsm and the problem was gone, all calls made as test went well, but if i set it on lte/wcmda/gsm or even on wcdma/gsm this issue comes back.
i hope you can help me to fix it because i dont want to get stuck wit gsm only.
the phone is a i317m
baseband i317MUMBLL3 (this is the last one from telcel mexico, but i also tryed rogers one)
no apn changes
thanks, any help will be apreciated

Related

No signal, T-mobile, WCDMA

So i rooted my phone over a week ago, and tried out many different roms. Everything was going fine, until i noticed yesterday that i kept losing voice and data connection. I tried updating to the latest radio which was out today 5.09.00.20, but still have the issue.
The only workaround i've found so far is to set the network mode to GSM only. But obviously it's not very practical for a phone like the desire. When i have it on GSM/WCDMA Auto, it keeps voice and data on for about a minute, then i lose it. And when it's on, i still can't make any calls. But i can make and receive calls fine on GSM only.
Anybody have a clue what's going on here? I tried calling T-Mobile, but they were as useless as always. Apparently there was an issue on the 29th, which is now resolved, and they refreshed something on my profile. So i dunno if rooting/flashing my Desire has caused this or if it's some network outage.
I'm currently running the latest DeFrost rom. I've tried SenseFroyo (Opendesire), LeeDroid & i'm now running the official 2.2 sense rom.
I've also been having problems when connected via 3G for the past few days, but only when I'm at home (so I think it's a specific cell). The signal indicator shows a good signal but attempting to use the internet over 3G just times out, and my voice calls keep getting dropped.
Like you I can work around the problems by switching to GSM only.
I think it might not be a problem with my phone though, because I've tried putting my SIM card in my Nokia N95 and the internet doesn't work over 3G on that either (internet works using GSM on N95). I did manage to make a call on my N95 when my Desire was dropping both incoming and outgoing calls within seconds though.
Weird! I'm going to give it a few days and report it to T-Mobile if it's still happening.
It's fixed for me now. I guess it was a network outage

Can't connect to network unless on EDGE - Please help

My gf text me this morning saying that she can't get service unless she selects 2G only. She was having issues with her phone and thought maybe the SIM was the problem since it was several years old. She went in and got a new one last night and things seemed to be OK. When she woke up this morning, she again had no service at all ('only 2G' unselected). She switched back to 2G only and is getting service. Even with "only 2G" unchecked, it should still bounce to Edge if there's no 3G signal, right?
I flashed CM7 RC1 or 2 for her back in January and I believe she has the latest radio update.
Any advice? Is this a hardware/software/SIM or network issue?
Any help is greatly appreciated.
If you can, you could try making a backup and flashing another rom?
I'm thinking the very worst problem could be a busted antenna. D;
... But we'll try everything we can before we come to that.

[Q] Problem with reciving sms, and phone calls

Hi I have problem with reciving phone calls and sms, when someone calls me he hears that my phone is turn off, I also can't recive any sms, when I reboot my phone I get every sms, and info about somone was calling. Now I must reboot my phone 3 times a day, to be sure that I have any sms etc. I'm using viperx, nobody seems to have any such problem with this rom, I tried different kernels and older radio. Any one has simmilar problem? How can I check what could causing this issue?
How long have you had this problem? I had this issue about 3 months ago, and it lasted for maybe a week. It happened again a couple of weeks ago, and lasted a week. I contacted my operator (Orange), who didn't really help, apart from telling me to choose the Orange T-Mobile network instead of plain Orange. It seems that turning the radio off and on (i.e. going into Airplane mode and back out) does the same thing and resets the network connection.
GuitarDemon said:
How long have you had this problem? I had this issue about 3 months ago, and it lasted for maybe a week. It happened again a couple of weeks ago, and lasted a week. I contacted my operator (Orange), who didn't really help, apart from telling me to choose the Orange T-Mobile network instead of plain Orange. It seems that turning the radio off and on (i.e. going into Airplane mode and back out) does the same thing and resets the network connection.
Click to expand...
Click to collapse
About two weeks now, U say, that I must just wait until it fix itself?
I don't know if this is of any use.
But Vodaphone are having issues at the moment.
I can't get signal what so ever whilst at home, but at work I get full signal.
Even when I have full signal data doesn't work.
So as above says, I think its more of a carrier issue rather than device issue.
Vodaphone told me it should be fixed by Wednesday/Thursday !

[Q] N-7105 Network select trouble

Hi. I recently bought (almost new) second hand N7105 and having really little troubles with it, one irritates me pretty much.
On are where Im living there is really good 4g and 3g signal. Everytime I reboot the phone and give pin, it goes for roaming mode for
aproximately 1 minute before getting to network. If its on 4g and I make a call or someone calls, it switches to 3g but after the call,
dont switch back to 4g.
When I switch it in network mode option, com.android.service crashes EVERY time. But it still switches it.
And when im in 3g mode it seems to prefer 3g more than H+ so like browsing on net it drops to 3g but when clicking a link etc.
phone does nothing before it has switched to H+.
I did call to customer service and they thought its maybe a update that didnt install correctly and adviced me to do factory reset.
That just made it worse. I really dont fancy to send it for repair since it seems to be only software problem but on other hand,
I dont wanna loose warranty by flashing custom rom at this point. Any advices or ideas?
Let me put it this way... What is the easiest way to install stock firmware without losing warranty?
And does it contain risks like changing imei?

[Q] Note 2 i317 Network Connection Issue

My Note 2 i317 and I are having some issues lately. To put it mildly.
Some background: When AT&T pushed out the last OTA update for the Note 2 in Nov. 2014, my phone started experiencing network connection issues. Occasionally it would take multiple attempts to make a call, someone would call me but the phone wouldn't ring, etc., all while showing a solid signal. What was a mild annoyance got worse. I ran through the usual gamut of fixes (new sim, factory reset, etc.). As I've traveled for the last few months, I noticed that, while I lose connection every so often, I don't have the same issues I do at home. AT&T reports no network issues, though they have upgraded all the towers in my area to HD Voice. I figured that the OTA update messed something up. I rooted the phone, flashed it back to July 2014 stock (using this: http://forum.xda-developers.com/gal.../rom-att-i317-ucucne5-mj4-stock-odex-t2802189).
The upside is that everything worked smoothly. The downside is that I'm still having the same connection issues.
For example, I'm currently showing -105 dBm (about average in my area), but every time I try to place a call it'll either ring and never connect or default to "emergency calls only."
I'm new to Android modifications, so I'm sure there is something I'm missing and ANY help would be much appreciated.
AT&T Note 2 i317
4.4.2
Baseband I317UCUCNE5
IMEI intact
Thank you.

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