Very Unusual Problem 2G Networks Dead, 3G Fine - G1 General

Well this is a new problem. My G1 seems to have decided it will not register on any 2G networks any more. Tried 3 SIM cards, all the same situation where 3G works fine then 2G fails completely.
I had been experiencing random cut outs on both the WiFi and mobile connections since upgrading to the latest Cyanogen firmware so upgraded to the latest radio. That worked fine for a couple of days but now no dice.
Also worth mentioning is that the device was crashing sometimes when the phone gets too much in the memory (for instance with a couple of widgets running it crashes when you start the camera).
Any advice would be great

Have gone all the way back to stock (and most things in between) in the hope than it was a bad flash but not looking that way
Also had the back off to see if there are any obvious problems (like a loose connection or obvious burnt board), but still no joy. Anyone know what sort of costs HTC would put in to get this sorted?

Related

Phone - The operation failed.

Quite often these days I am getting the issue mentioned above. Even soft resets do not seem to help. Until I reset a few more times.
What might be the cause of this? Thanks.
Hope someone might be able to assist on this. Thanks.
I'm also getting this message nearly every time I try to make a call. The phone then looks like it resets the connection with the cell tower and it successfully completes the call on the second try. Then the next time I try to call someone else it fails again. I came to this forum to see if anyone else has experienced the same problem.
Hey joej, I found out what might be causing the problem: make sure that your ActiveSync is closed before you try making a call. That fixed the problem for me.
Also, here's a quote from an email from one of my coworkers:
"Your Tytn was probably trying to dial a data connection at the same time that you were trying to dial voice and so it has to cancel the data request before you can dial out. There is a registry tweak you can do to the Tytn to keep the data connection always active when the phone is not in use and this may make it less frequent that you would have a problem
Activesync is supposed to stop when your data connection is unavailable. If you are making or receiving a call on the TyTN (or any GSM phone) your data connection will not be available and therefore not run. Do you have a lot of 3rd party apps running at startup as well? I have rarely had a problem with my Tytn and never during a call unless my battery dies on my BT headset mid call and then the device may get confused."
Hope this helps!
BlindDriver said:
Hey joej, I found out what might be causing the problem: make sure that your ActiveSync is closed before you try making a call. That fixed the problem for me.
Also, here's a quote from an email from one of my coworkers:
"Your Tytn was probably trying to dial a data connection at the same time that you were trying to dial voice and so it has to cancel the data request before you can dial out. There is a registry tweak you can do to the Tytn to keep the data connection always active when the phone is not in use and this may make it less frequent that you would have a problem
Activesync is supposed to stop when your data connection is unavailable. If you are making or receiving a call on the TyTN (or any GSM phone) your data connection will not be available and therefore not run. Do you have a lot of 3rd party apps running at startup as well? I have rarely had a problem with my Tytn and never during a call unless my battery dies on my BT headset mid call and then the device may get confused."
Hope this helps!
Click to expand...
Click to collapse
thanks for the update, i however am experiencing this issue once in a while and it is not with the activesync running nor a data connection going on. ugh..... guess mine is odd
Me too
Thank so much for the post count me in there too. I am southern central PA and just last week this started happening to me too. I have an 8525.
I have no acrive data connection nor any apps running that force a data connection. Every morning I have been resetting the phone 5-6 times before the freezing stops and it works. So annoying.
I am suspecting it is a network issue with cingular and them upgrading to 3g in my area. I suspect it as I had to travel north this week and discovered 3g coverage in Harrisburg so I am betting that is it.
I feel your pain and I have no fool proof thing to do on the phone to fix it. But man the phone on the 3g is fantastic.
duman95 said:
Thank so much for the post count me in there too. I am southern central PA and just last week this started happening to me too. I have an 8525.
I have no acrive data connection nor any apps running that force a data connection. Every morning I have been resetting the phone 5-6 times before the freezing stops and it works. So annoying.
I am suspecting it is a network issue with cingular and them upgrading to 3g in my area. I suspect it as I had to travel north this week and discovered 3g coverage in Harrisburg so I am betting that is it.
I feel your pain and I have no fool proof thing to do on the phone to fix it. But man the phone on the 3g is fantastic.
Click to expand...
Click to collapse
yup, everything rocks in it except the phone functionality really needs to be improved to be more usable.
do you know how i can use the phonepad to do t9 for replying SMS ? right now i am finding it hard to do so as i need to use the normal input methods which is not as easy as a normal cellphone
omg I'm from Singapore using Starhub think I'm having the same problem too. Dopod 838 pro.
A soft reset works for me, but very frustrating coz you dunno whether you are missing calls - the screen shows mobile is up with signal and all but people can't call in.
Just started happening to me past few days but then again I just took over the phone from a friend who bought it 3 months ago (latest batch)
So frustrating. ... seems related to the activesync.. but then again still happens when activesync's not involved.
duman95 said:
Thank so much for the post count me in there too. I am southern central PA and just last week this started happening to me too. I have an 8525.
I have no acrive data connection nor any apps running that force a data connection. Every morning I have been resetting the phone 5-6 times before the freezing stops and it works. So annoying.
I am suspecting it is a network issue with cingular and them upgrading to 3g in my area. I suspect it as I had to travel north this week and discovered 3g coverage in Harrisburg so I am betting that is it.
I feel your pain and I have no fool proof thing to do on the phone to fix it. But man the phone on the 3g is fantastic.
Click to expand...
Click to collapse
Same here anytime Cingy plays with towers, have you ever got a message stating the call can not be completed at this time? Been getting that one lately as well.
I think that it could be an issue with the phone heightened by the nature of the cell network.
I am wondering if the phone has issues handing off between cell towers as I have the band tab active and there are freq choices so I wonder if the phone even on gsm has some issues dealing with hand offs.
I locked it on gsm and still had issues with the phone. I locked it on 850 and still had phone issues. Put it in auto for the freq and still had issues.
On the U network on Cingular since its the only one the phone is excellent. Data and voice work great. So it will get better in the US for us on Cingular. But man its going to be really annoying during the roll out.
I'm on T-Mobile and I'm seeing this problem as well. (It didn't go away after closing ActiveSync like I said it did earlier.) The weird thing is that this wasn't a problem until about a week or two ago; now all of the sudden it's happening constantly.
Also, I just installed the newest HTC ROM (1.35.255.2) yesterday and now my phone has started to drop calls. I've never had a problem with dropped calls in the 2.5 years I've lived in this apartment.
Ain't technology grand?
Well things have not improved for me. Today after 8 resets the phone finally settled down and did not freeze and was able to get on the network. It has been terrible for me the last 2 weeks...
I removed the eten dialer skin I was using. I wanted to make sure it was not due to replacing the Cingular phone skin.
We shall see tomorrow if the phone is able to work without multiple resets..
If not it is off to a hard reset and re-load to see if that improves it any...
I have taken the plunge and did a hard reset plus reinstall of everything. I had the same apps installed again and the problem seems to be gone now. *touch wood* hopefully this doesn't come again... a restore takes too long. I have also installed Sprite and did a full backup of the phone including the memory card just to be safe.
This problem started for me this morning. (NYC/NJ Area - USA). I did a hard reset (actually, two) this morning, and it didn't fix it, even when the phone first finished the initial load (in a virgin state). Then, around 11:00am, it began to work again. Now, it's about 6:30pm, and I need the phone to call home to tell them I'm gonna be late, and it's out again. Seems like it's something not to do with the phone, but with the network (I hope). It won't connect in GSM, UMTS, or AUTO modes, FWIW.
Oh well, sure hope it doesn't takle two weeks to "go away".
returned
Well I returned mine. Did the warrenty exchange. So far so good. No freezing and the phone seems to hold onto the network ok now.
I truly believe mine was defective. As the phone would show searching and not connect to the network.
I think that not being able to make a data connection is a network issue as it clears up in a few days.
pvs said:
This problem started for me this morning. (NYC/NJ Area - USA). I did a hard reset (actually, two) this morning, and it didn't fix it, even when the phone first finished the initial load (in a virgin state). Then, around 11:00am, it began to work again. Now, it's about 6:30pm, and I need the phone to call home to tell them I'm gonna be late, and it's out again. Seems like it's something not to do with the phone, but with the network (I hope). It won't connect in GSM, UMTS, or AUTO modes, FWIW.
Oh well, sure hope it doesn't takle two weeks to "go away".
Click to expand...
Click to collapse
also in the same area, experiencing similar problems within certain specific locations. Noteably these are locations that I get SPOTTY UMTS service, so I assume a tower upgrade is in progress or something that is causing this. Where I have full umts service, the problem does not occur.
at times i have signal, but calls don't come through (rings to calling party, but goes to voicemail before my device rings).
This is something related to 3G because when the sim is put in a blackberry 8700c, everything works A-OK.
Glad to know i am not alone in this
I have similar problems. Especially in the university of Hannover. There is UMTS. Since a few days Data Connections via Active Sync don't work.
Before I had problems with calls. For example freezing during call.
And of course in the university and on other places I have often to do calls twice.
I called O2 for that problem. They are upgrading the cell around the university to HSDPA.
Hi to all !
I had the same problems, then i removed the microSD card and the problem was gone. Now i am testing the phone without miroSD card. I forgot to say that i had the problems with boot too(No GSM) and now it boot perfectly.
Best regards
O2 XDA Trion (dopod rom)
I finally had to return the phone under warrenty. It degraded to no gsm all the time fresh from a hard reset with no mem card. The new device has been flawless radio wise for a week now.
Problems with XDA Trion SOLVED !!!
Hi again !
The microSD card was NOT the problem ! I tested the phone without SD card but that was not the problem. Then i go to my provider and change the SIM card with new one (the old one was very old so i buy new one) and wauuu it works. The XDA TRION needs the sim card with UMTS suport then it will work fine. So far NO freezing at all. I will let you know in a few days if something strange will hapen.
Best regards
Hi, to all with the problem “The operation failed” when trying to make a call:
Try to switch off bluetooth (specially if you are in UMTS (CMDA) network) and then try to make a phonecall again.
For me this helped to solve it.
First I also thought that it’s only a Provider network problem (I have 2 different providers, with one it works, with the other I have the “operation failed” problems).
So it is 100% a phone software problem. (Shame to HTC)
Give feedback if it helped you too.

HD2 Web Connectivity Issues and Analysis

Seriously people....
I've seen lots of threads recently. People are complaining that the HD2's data connection cuts out, leaving them unable to access the Internet from their phones for who knows how long. I know, it IS kinda annoying...But the thing is..
I can tell you this IS NOT a hardware problem. It's something to do with either the OS....or something in the phone's registry settings which no one has picked up yet...I hear that phones like the TP2 do not have this error, and I agree. My old unbranded Touch Pro 2 was brilliant, I could use it for IM and texts anywhere...LOL I used to sit on the Bus while people stared at my phone, while I was on Messenger talking to my phone. Anyways, here's what I wanna tell you guys. Hope I help out everyone in some way or another.
What I have:
HD2
3 Mobile Sim-So yeah, My Operator is 3 UK
Living in London, UK
Using ENERGY's 17th March Version ROM
HUSPA, HDSPA Enabled
What I've noticed:
The phone cuts out the signal when the transition between 3G and H occurs in the icons. As a result, the Internet cuts out temporarily, and programs such as Messenger lose connectivity for a while. For example, when the icon is on H, and no one's talking on Messenger, the Icon changes back to 3G....during this moment it cuts out sometimes..until it reverts back to the H icon (Got that? I know, it's a little long and complicated when I word it like that, but read it out and it'll make sense xD)
Now, whenever I have the phone connected to my PC/Laptop (Either as a Wi Fi Router or through the cable and then using Internet Sharing, either way, the phone does NOT change back to 3G, it stays constantly on H (Mind you, I usually download during this period). Anyways, the point being that the connection is VERY stable and constant, when in this state, connected to my PC/Laptop and the device is accessing the Internet through my phone's Data Connection. So what do you all think? And what have YOU found out? Leave your responses and ideas below
Some things I have found out are, if you Enable ONLY HUSPA in the Settings/Connectivity options, the connections seem to be more stable. Furthermore, if you really want to, Disable Advanced Connections, stay only on 3G, and enjoy a LOT of stability (At the cost of slower speed surfing and downloading )
My HD2 does not connect at all anymore. I called in to support because I completely lost data connectivity (web browser, email, slacker, whatever - no connection). They verified no troubles on their end. I moved the sim to my old touch pro (running Energy ROM w/ winmo 6.5 and Sense 2.1) and that phone connects fine. So it's not the SIM, and it's not the network.
I've also done a hard reset to get back to stock and still have the problem, which tells me that it's not a registry / software setting.
They only thing that leaves is faulty hardware - or firmware that a ROM hard reset wouldn't affect. Either way I need to replace the device altogether.
Unfortunately, tmo is out of stock and so I can only wait for a more to become available before it can be replaced.
csharper said:
My HD2 does not connect at all anymore. I called in to support because I completely lost data connectivity (web browser, email, slacker, whatever - no connection). They verified no troubles on their end. I moved the sim to my old touch pro (running Energy ROM w/ winmo 6.5 and Sense 2.1) and that phone connects fine. So it's not the SIM, and it's not the network.
I've also done a hard reset to get back to stock and still have the problem, which tells me that it's not a registry / software setting.
They only thing that leaves is faulty hardware - or firmware that a ROM hard reset wouldn't affect. Either way I need to replace the device altogether.
Unfortunately, tmo is out of stock and so I can only wait for a more to become available before it can be replaced.
Click to expand...
Click to collapse
Which phone company are you with? I experienced the same problem with 3UK in North London for a couple of months up until the beginning of last week but it was a problem at 3's end, not mine. Other people have been experiencing similar issues with non-3 phones in London (http://www.3g.co.uk/3GForum/showthread.php?t=102192).
yes, I had problems in London too before Good Friday. Especially on Tues+Wed.
Others around me inthe library also had similar issues with their iphones. I kept on switching the baseband and modes, and reapplying my 3G settings to keep it alive and solve the outages.
Most people with issues were on vodafone or O2 (like me).
It would work, then cut, then work.
I thought at first it was because I had a custom ROM, but iphone users had the same - and lots of timeouts on requests.
I DO believe however that running ROMS like energy's and Dutty's HG 1.7 with 2.10 (which I'm currently running) bases as 2_08 radios is not great for the uk and exacerbates the connection issue. 2_07 is better...and in any event we SHOULD be using 1.72 based roms with 2_09 radio.
I have also noticed that on COM5 23544 builds the opera mobile 9.7 and 10 google boxes do not work. They come up as failed connection, but then i click on teh link and it works...weird huh???
So I think last week was because of network faults in London. But in general, these 2.10 based ROMS and their radios are not ideal for stability.
I had perfect call and HSDPA stability with 1.48stock+2_09 radio.
Having turned to a 23544 rom (Dutty's HG) with 2_08 radio I've had much less call and internet stability (and quality) over the stock with 2_09.
jakem said:
Which phone company are you with?
Click to expand...
Click to collapse
T-Mobile US.

Gsm signal issue

I have my sgs for 2 weeks now. GSM disconnects around every 2 days.
At service mode (*#*#4636#*#* - Phone information) i can see this repport:
GSM disconnects:
====DATA=====
State: inactive
disconnected with last try
at 00:59
fail because No Error
The question is: why does this happen?
Is this an android issue or a hardware problem?
Any pointers?
Thanks in advance
.
do you ever enter a building, subway, or some other location where the GSM becomes poor?
AllGamer said:
do you ever enter a building, subway, or some other location where the GSM becomes poor?
Click to expand...
Click to collapse
That's not the problem.
Gsm disconnects just like that ,at home for instance. And when I notice that and try to reconnect (settings- wireless networks- mobile networks - networks operators) it doesnt find ANY of them.
Then I restart the phone and gsm network is back.
If I dont notice disconnection in time (so I can restart phone, people just cannot reach me....quite frustrating...
i see what you mean now.
yes, i've noticed that on mine too, but.... that's because i was fooling around with some new Apps Widgets settings i was testing to control the radio and data to save battery.
Did you install any new Apps recently that might cause that?
betoNL said:
That's not the problem.
Gsm disconnects just like that ,at home for instance. And when I notice that and try to reconnect (settings- wireless networks- mobile networks - networks operators) it doesnt find ANY of them.
Then I restart the phone and gsm network is back.
If I dont notice disconnection in time (so I can restart phone, people just cannot reach me....quite frustrating...
Click to expand...
Click to collapse
do you have an old sim card? i had a 3g sim card that wasnt even 1 years old and replacing it fixed connectivity issues on my nexus 1 and i had a similar experience with my old htc magic
AllGamer said:
i see what you mean now.
yes, i've noticed that on mine too, but.... that's because i was fooling around with some new Apps Widgets settings i was testing to control the radio and data to save battery.
Did you install any new Apps recently that might cause that?
Click to expand...
Click to collapse
Well I installed all kind of apps. but i have the feeling this problem was happening even before that.
And I dont need widgets to control data ( I think) because I set the sgs to use 2g networks only and I dont have apn configured( section is empty. Internet connec. only via wifi.
hondaguy said:
do you have an old sim card? i had a 3g sim card that wasnt even 1 years old and replacing it fixed connectivity issues on my nexus 1 and i had a similar experience with my old htc magic
Click to expand...
Click to collapse
Well, my sim card is VERY old (2002) and the carrier (Telfort) is roaming into another carrier's network (Kpn) with no extra costs of course like real roaming, but still roaming (I get the little "R" next to the signal strenght bars)
Anyway this never happened with the Nokia 5800xm running Symbian OS and using the same sim card...
Starting to get pissed of with Android...
With Symbian you hack or root or tweak because you want to, not because you NEED to like with Android....
And then you prob. get side effects...
Thank you guys for your time
I would get a new sim card if I were you. Every android phone that I have had seems to work better with a good 3g sim.
Get a new SIM card.
same problem, different phone
i have the same problem on kaiser with flashed android on it.
sim is 2 years old, and now suddenly this happened, tried differents sim cards, but the problem persists. My guess is, it is a software problem.
Maybe i will report when I flash original WM6.1 rom onto it, if you are interested in the result
btw, this happened about two days ago and because of this im buying galaxy s so i hope the problem will be gone with new phone
did you guys see this other topic?
http://forum.xda-developers.com/showthread.php?t=769582
anyone able to reproduce this issue?
Maranevim said:
i have the same problem on kaiser with flashed android on it.
sim is 2 years old, and now suddenly this happened, tried differents sim cards, but the problem persists. My guess is, it is a software problem.
Maybe i will report when I flash original WM6.1 rom onto it, if you are interested in the result
btw, this happened about two days ago and because of this im buying galaxy s so i hope the problem will be gone with new phone
Click to expand...
Click to collapse
Why you think the problem will be gone if it's still android and I also got it with my sgs? Or are you counting on Froyo?
Yesterday I upgraded my sgs to froyo jpc with kies. I am new with Android but the post of Aery was so clear that i didnt resist: http://forum.xda-developers.com/showthread.php?t=769400&highlight=froyo+upgrade
I did get stuck on reboot but could get out of it after applying a cache/data/factory reset on recovery mode (3 buttons)
Now I am being carefull with the 3rd party apps., and so far so good, no gsm disconnections .
Froyo is of course better that eclair but Android is still disappointing to me.
You flashed Android onto a WM device (i'm impressed); could you not teach me how to flash Symbian onto my SGS?
Voice dialing (over bluetooth or not) and proper connectivity control (network, data, gps and bluetooth) of android is years behind Symbian; and such a well written, light OS, it will just fly on a high-end hardware like the sgs; but that is an issue for another thread.http://forum.xda-developers.com/showthread.php?p=7938430#post7938430
Pls keep reporting..
AllGamer said:
did you guys see this other topic?
http://forum.xda-developers.com/showthread.php?t=769582
anyone able to reproduce this issue?
Click to expand...
Click to collapse
I think indeed that's not the same issue. My problem is that the radio signal get turned off during inactivity. That's why I got connection back after reboot: radio signal gets turned on again; later I learned how to turn radio signal back on without rebooting, but that is just a remedy , no real solution.
Try to upgrade to froyo, make a factory reset and be carefull with 3rd party apps. With froyo you will need less interfering tools anyway
I dont thing that my old sim card is the problem, but i'll try to replace it anyway...but first things first
Btw dou you have 3g turned on? Cause I never...
Another mistery: When I have 3G on I see those bars (signal strenght) dancing and that "death grip" thing happening:http://www.youtube.com/watch?v=LROTHrTR92k
But when I have it on 2G only the bars doesnt move even if I strangle it with both hands.....
Please repport later how it's going...
I had the same issue, i sent mine back and got my money back, i had also tried with different simcards and resets and nothing worked.. so hopefully my new galaxy wont have this problem. Its strange that these problems are so rare though.. But as long i get it going ill be a happy man.
fourth day with JPC ( and 4 days after a factory reset) so far so good no disconnections . I think problem is gone...
Today just to be safe, I got a new sim card....the other one was too old anyway(8 years)
i have the same issue, for a few days i can't get 3g. i'm seriously wondering about sending back my sgs. i've ttried all the settings, changed my sim..nothing...begin to think it was a fullish thing to change Desire to SGS..
alpachiles said:
i have the same issue, for a few days i can't get 3g. i'm seriously wondering about sending back my sgs. i've ttried all the settings, changed my sim..nothing...begin to think it was a fullish thing to change Desire to SGS..
Click to expand...
Click to collapse
Well... this is not the same issue.
I have 3G (WCDMA) disabled. I only use 2G (GSM) and WIFI for data/internet connection.
I Dont have a data account, I dont need it therefore I disabled 3G in order to save battery.
If you do want to use 3G, just go to settings - wireless and network - mobile network settings - network mode and set auto-mode (GSM/WCDMA or 3G/2G)
If it doesn't work, apply a data/factory reset and try again.
And if it doesnt work, it's probably hardware related and you should return it or send it for repair.
My issue is more complicated; next to the fact that I dont want to use 3g, my carrier is roaming to another network and probably Android OS or the firmware cannot handle it properly.
Android is still premature and the "Samsung - Android integration" seems to need a lot of development as well.
It is just a shame that basic functions like proper connectivity control just wont cut it. And Google is not doing any good either.
And dont let me get started on the voice recognition issue......
Hardwarewise, the SGS is superior that htc desire.....I wonder how it would perform if running Symbian^3 OS or Meego.....
I get a great sound quality from the stock music player just by mixing the equalizer and using the music clarity effect...just great...better than any other device I tried.
And the OFFLINE Gps experience is just great as well: the combination SGS - Motonav - External Bluetooth gps device is working like a charm.
I wouldn't change my sgs just yet......
yesterday i was swiching sims to determine if is a sim fault and suddenly i have my 3g/h back. happy owner again. i've tried all to do this, from firmware upgrade to servide mode settings..i don't know why but i'm ok again...
betoNL said:
Well... this is not the same issue.
I have 3G (WCDMA) disabled. I only use 2G (GSM) and WIFI for data/internet connection.
I Dont have a data account, I dont need it therefore I disabled 3G in order to save battery.
If you do want to use 3G, just go to settings - wireless and network - mobile network settings - network mode and set auto-mode (GSM/WCDMA or 3G/2G)
If it doesn't work, apply a data/factory reset and try again.
And if it doesnt work, it's probably hardware related and you should return it or send it for repair.
My issue is more complicated; next to the fact that I dont want to use 3g, my carrier is roaming to another network and probably Android OS or the firmware cannot handle it properly.
Android is still premature and the "Samsung - Android integration" seems to need a lot of development as well.
It is just a shame that basic functions like proper connectivity control just wont cut it. And Google is not doing any good either.
And dont let me get started on the voice recognition issue......
Hardwarewise, the SGS is superior that htc desire.....I wonder how it would perform if running Symbian^3 OS or Meego.....
I get a great sound quality from the stock music player just by mixing the equalizer and using the music clarity effect...just great...better than any other device I tried.
And the OFFLINE Gps experience is just great as well: the combination SGS - Motonav - External Bluetooth gps device is working like a charm.
I wouldn't change my sgs just yet......
Click to expand...
Click to collapse
Hello,
I know its been a long time since you wrote this thread but I just came by it!
I have the exact same problem with you (I had it since August) even now with the official froyo. I tried factory reset and no new apps (that could cause the problem) but it still disconnects randomly in GSM mode. However, when I have it on auto (gsm and wcdma) I have no issues. I just disconnect data from the power button in froyo. I am wondering if you ever found a solution..
Chryssa
Well, I am subscribed to this topic so I saw your post.
Good and bad news:
First the bad one: No solution yet, it keeps disconnecting IF I stay on "gsm only".
And the good (or a little better) news:
I noticed that on sgs, using "gsm only" or "gsm/wcdma (auto mode) makes no difference on battery consumption....
By the way, this is a Samsung issue, not really an Android one.
On a HTC Desire HD, you can use "gsm only" mode with no problems...
Thank you for your answer!
I noticed that about the battery too. So not too bad, I just have to keep it on auto mode then..
Same issue
Im having the same issue but in a optimus t the worst part is that i cant get service at all.. when i press change network preferred it wont change and when i try to press on turn on radio it wont work either....

Network and GPS Functionality Vanished

Hi all,
I flashed my phone, and thought I’d go with Darky's Raw Steel Edition (4.1), which is awesome btw. I installed it correctly, installing I9000XWJM8 first (the MODEM and PDA, not CSC as none seemed to come in the package).
Everything was working smoothly until I realise 3G/Data Network is no longer working (it did previously). Not only that but it seems it won’t connect to my service provider (Three) at all (emergency calls only), and I’ve also now noticed GPS doesn’t seem to work at all, I can’t even get into GPS test mode. Wireless does however work though it being off, or on, has no impact.
I’ve tried:
Flashing different firmware - Stock JM8 and Doc Froyo’s latest JPO.
Hard Reset
Deleting and re-entering APN settings, though they were correct and already on the phone anyway.
Testing my SIM on another phone – signal is strong, inc. 3G on that.​
I’m really at a loss here. Any ideas anyone?
Thanks
UPDATE: So, I won't bump this myself, but incase anyone finds this thread in the future: the gprs, gps, 3g, etc all work - just not in my house, on the SGS, anymore. I have no idea why - my other phone, it's fine.. and it used to be fine with this phone too. I'll update again if I figure it out.
the other phone works fine with the same sim you are using in the SGS?
Yep, the same SIM works in my old Nokia 6600 fold, people in my house also with Three are getting solid reception right now. 4-5 bars with 3g established.
It worked beautifully all the way home from work on the bus, just not in/around my house.
It's as if the local cell towers near my house have blocked my SGS specifically (can't receive calls or texts either). I did turn the wireless on and off in short succession (which would cause the gprs/3g to try to re-establish each time).. maybe I flooded them and they blocked my IMEI? Or is that just a ridiculous idea?
The real odd thing is GPS not working either (again, just around my house/street); surely it doesn't need a cell site for that?
It does seem as if I can't download apps from The Market anymore either, and have tried various cache clearing solutions to fix it (problem occurred roughly when I noticed my reception was nill).
You might have a problem with the band selection thing of your phone.. have you tried downloading/speed test when you /do/ get a connection? If it seems capped at 40kbps, you might have the same problem I experienced before, of being stuck on 2g. (Despite settings saying otherwise).
I fixed it by doing the solution to having a missing 850 band, the thread of which is found somewhere in this forum.
Thanks. That sort of worked earlier.
It made a slow data connection, and some texts came through.
I then went out to a location a few miles away, had a look and it was still on a slow connection type for a few mins, then all of a sudden it went to HSPDA (with the occasional 3G flicker) and was blistering fast.
Now that I'm back home, I've lost all reception again and can't make/take calls
[EDIT] Clicking around my phone in the hopes of finding something: checked product code in my nv_data.bin file with SGS Toolbox, and it's showing I9000HKDKOR; whilst the backup is showing I9000HKDH3G - could I be on to something? I backed up my efs folder after rooting before doing anything else - so, going to try restoring that.
I have a hunch based on a 2 year old post (http://forum.xda-developers.com/showthread.php?t=445913).
From what I understand, Three UK piggy back on Orange's network when Three's 3G cell towers are out of reach. Orange don't provide Three users with the full service though, just 2G and I'm guessing they prioritise Orange customer traffic.
I think when I flashed my phone, I removed code commanding the phone to prefer Three cell towers. Without that code, the phone simply goes to the strongest/first signal it detects. I'm guessing in the area near where I live, it's Orange (or maybe any old network which is why I'm often getting Emergency Calls only).
This is all guesswork. I'm hopeful, seeing as if I quickly switch the SIM to my two+ year old phone, then I quickly get 5 bars and 3G.. unless the SGS's signal issues really are *that* bad.
http://forum.xda-developers.com/showthread.php?t=831022
Try see if you have the symptom of a missing band?
Hi Nwsk, I tried that before and assumed it didn't work, but actually the change isn't sticking. Which seems to be the case for a couple of others! Thanks for pointing me back to it!
[Edit]
Ohhhh dear. Now I have another theory (I really hope I'm wrong).
I've just read on a thread that some phones don't have the 850 Band, it's down to a lack of hardware support. I'd wager every Three UK branded phone sold will have the correct hardware as stock. I sent my phone back to Samsung for repair, they said they replaced the motherboard.. inference: they replaced it with one without the WCDMA 850 support.
Hmm, I'm definitely no authority on this, since I'm just guessing.. but I figure if that if was a true hardware defect, you wouldn't even be able to get it temporarily?
Are you using any 'battery-saving' type apps? Something might be messing up and keep reverting the settings. I had this occur to me a second time when I was trying out the superpower app here, I think it conflicted with another app I was using, and it borked out my network connectivity. Somehow fixed that after a few reboots, and lots of messing around in the phone debug menu with the 3g/2g thing, it suddenly worked again.
I've not seen it manage to get onto 850MHz WCDMA in my house for a while, not since the mobo got replaced (I should qualify that with a statement on my bad memory ). It will occasionally latch onto something if I walk around the house, giving me a slow data connection with the G symbol showing - it will drop pretty quickly.
Messing around while I write this, I've just realised if I set my phone to GSM(2G) with roaming [Three UK phones need this on so they can connect to Orange towers], then it does establish a data connection at 1800mhz. If I force WCDMA only, I get NOTHING. Setting both/auto leads to it being dodgy/instable, as I've discribed above.
My Nokia 6600 supports 850mhz UMTS, which would explain why it's working well inside my house.
I don't think it's an app. I've flashed a few different firmwares in an effort to get this fixed, it's currently on official Froyo JPO (not even rooted!) with Multi-CSC and a few completely harmless apps. I'd try the stock Three firmware if it was available somewhere.
I'm hoping it's software like you suggest! I will tinker away for now!
Thanks for all the help, at least now I'm fairly sure I'm on the right track!

[Q] uk mz601 xoom 3g connection failure

Hey guys, I'm totally confused what's wrong with my xoom mobile connection. The sim card and 3g work fine when I put the sim into my htc cell, however on the tablet it refuses to work despite the dynamic tray indication (3g changes to hsdpa or to edge, even the up- and download arrows appear), though the indicator color is gray like it doesnt work. I have no idea what's wrong, I tried all the mobile connection settings, still nothing seems to get better. The problem appeared several days after my xoom was updated to official 3.1 (not rooted btw).
It worked fine before and after the update. I rebooted the xoom like 10 times, still no effect, same for factory reseting the xoom twice. In addition, the device network info shows that IP address is unknown.
What can I do to fix the connection? I'd appreciate any help.
seriously guys, no ideas?
I have a similar issue with my Optus MZ601 where it starts H data and then suddenly drops out, ending with the modem seemingly rebooting... Not sure whether this is my coverage in Aus, or whether there are other issues. I tend to suspect "Fast Dormancy" is on and playing a part in all of this, however with out a dialer, there's no way I can do the *#9900# to get into the menu and turn it off to test my theory.
Same problem
I'm having the same issues, It started a few days ago. Updated to 3.1 about a month ago with no problems.
Now I can't connect with 3G. Wifi works fine. tried everything from soft resets to full recovery. My xoom recognizes the sim and shows data connectivity but still can't connect.
Is there a problem with the update?
wow finally I'm not the only one with such problem.
did you guys reinstalled the stock 3.0.1 image? cause that's what I'm intending to do now. the only thing that stops me so far is that I'm not completely sure whether it will void my warranty or not.
I just don't want to find myself with a crippled xoom which moto refuses to take back >_>

Categories

Resources