[Q] Help! Phone loosing signal - Desire Q&A, Help & Troubleshooting

My phone has suddenly developed a mind of its own. It has a lag and is dropping signal anytime i am in an area that has HSDPA. When it does that i can neither recieve or make calls, sometimes i can make calls to other networks but not mine, it works fine when the network is EDGE or GPRS. I have called my network and they have confirmed that the problem is not fom them. Tried my sim on other phones and it works ok. I have done a reset twice with no change. No recent installs of softwares, no impact, nothing at all. This is becoming frustrating!!! Can anyone help please cos i love this phone, its my[I]![/I]

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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

Voicecalls not coming through whenever data is on

Guys
Noticed something funny with my Galaxy Nexus. Calls don't seem to be coming through whenever it is transmitting or receiving data on the 3G. I can still make calls no problem.
My previous phone (the N97) would disengage packet connection (a warning comes up) before the call comes through.
I'm still analysis the data but I am hoping that one of you has experience this before and can offer some insight.
I've done the following test:
1. Wifi and 3G on. Some calls come through, some goes to voicemail.
2. Wifi and 3G on - streaming a video from my NAS box - Some calls come through, some goes to voicemail.
3.Disengaged Wifi and 3G on - Some calls come through, some goes to voicemail.
4.Disengaged Wifi and 3G off (2G only) - Calls comes through fine (when I send text I get the volume bug).
5.Disengaged Wifi and Data on but only on 2G - Calls comes through fine.
In all above instances when the 3G/data is on, I make sure I am transmitting (I synch my hotmail account).
So is this normal (this is my first android phone)? Am I the only one or are there others?
Any feedback would be appreciated.
Thanks
***** Sorry for the question mark icon, I put [Q] down but didn't know by selecting the question mark, it overrides it************
Which network?
It's certainly not normal behaviour in Gingerbread and earlier at least (still waiting for my GN to be delivered). Even on 3G calls should be able to come through and then if needed decide to switch down to 2G if it decides it's needed.
Have you confirmed that you can actually make and receive call on 3G currently? Might be something wrong with your plan or your SIM.
Balthazar B said:
Which network?
Click to expand...
Click to collapse
O2
blunden said:
It's certainly not normal behaviour in Gingerbread and earlier at least (still waiting for my GN to be delivered). Even on 3G calls should be able to come through and then if needed decide to switch down to 2G if it decides it's needed.
Have you confirmed that you can actually make and receive call on 3G currently? Might be something wrong with your plan or your SIM.
Click to expand...
Click to collapse
I'm still testing but it does appear that whenever it's transmitting on 3G (3G or H in the icon) incoming calls go to voicemail.
I just did another test, in the previous tests I was just calling my voicemail service (901) but I decided to call my house phone and here's the strangest thing.
- With the wifi on and 3G I couldn't make any phone calls (apart from the voicemail), the calls just end. I turned off the wifi, tried making a call it works. Then turned on the wifi on again and I can make calls again. How bizarre.
I'm hoping it's a network issue but I won't know until say about a weeks time (if its a network issue it should have been fix within that period). But my first adventure with Android isn't going very well.
Rang O2 and it sounds like an issue with the network . According to them 3G was affect all over the country recently and still have issues in the London area.
I also put my sim back into my N97 and after numerous attempts was able to replicate the fault So happy.
But the customer support suggested that I should still go and get a replacement sim from the shops tomorrow since mine is quite old. From 2009 but still 3G enabled.
So fingers crossed that its def a network issue and not a fluke that it affected my N97.
How will a new SIM be able to work better? I thought, as long as it has 3G, it's all good?
My SIM is from 2008, I guess, so quite "old", as well...
Atreus said:
How will a new SIM be able to work better? I thought, as long as it has 3G, it's all good?
My SIM is from 2008, I guess, so quite "old", as well...
Click to expand...
Click to collapse
Does SIM age really matter? I've been using the same SIM card since 2005.
I don't know if the age of the SIM matters, but what I do know is after I replaced my old SIM (AT&T) my data got faster (a few phones ago).
It never hurts to use a new SIM. The manufacturers change every few years (gemalto, etc) and I'd bet that newer is better...

Are u experiencing any issues with network connection?

My s3 randomly loses connection to the network. Today I picked up my phone to make a call and noticed it was not connected to the network and displayed Emergency call only message.
This happened a few times before too. Initially, I thought it could be a buggy sim so I got a brand new sim from telus. But its still does it. Randomly though. Any thoughts guys?
Anyone?
I haven't really noticed any issues, but I'm on AT&T. What ROM/firmware/modem?
I had similar problems till i disabled LTE. It was trying to connect to it all the time plus it was killing battery.
me and my brother have had the issue in dowtown ottawa on rogers. seems fine in my apt in the market but on a patio and at a restaurant it just wouldnt work!! couldnt send texts, or receive, couldnt call, sometimes it showed i had full bars and lte but couldnt do anything. my brother complained about this the day before. i will try disabling lte next time

Problem when network switching from 4G to 3G

Hey guys.
I'm getting a problem with both stock and the new CM build, when network is swapping between 3G (HSDPA) and 4G... I am in UK and I drive for a living so it happens a lot.
When it swaps sometimes I don't receive calls and texts for up to 2 hours. I've been blaming the network Three but I'm not sure now. I only seem to get the problem when the network is doing the swap. I receive the texts eventually in like a bulk.
I've tried all the usual settings (APN, factory reset, divert settings) and had like a daily phoncall to Three to try and get it sorted on their end.
It let's me send texts and make calls when problem is happening, but receiving them is a different matter...
Tried searching all over the internet but to no avail.
Was just wondering if anyone else is getting the problem? I can force the problem by switching to 3G in settings, or making a call to any number while being on 4G then quickly tabbing and sending a text whilst on a call.
Cheers!
This issue is really frustrating.
I have switched off 4g completely and that seems to have resolved the issue.
No idea anyone? I've not got another 4g phone to test this issue in...
This sounds like you may not have strong 4G signal. Have you tried contacting your service provider to confirm? Have you tested with a different SIM card? Last step to try is performing a hardware reset including cache wipe partition - http://www.asus.com/us/support/FAQ/1011956/
Sincerely
ASUS_USA
Normally full 4G signal. Still in contact with Three about it to try and get something sorted to no avail. Was fine with EE (although I was only with them a little while). Had a simcard swap from Three, same issue.
I did a full reset when I installed CyanogenMod 12.1 , and again to test with original firmware...

network issues

Currently I am in stock room.
My phone suddenly drops the network (Wi-Fi and cell network) but it is not in airplane mode.
I won't be able to receive any calls, but the caller will hear busy tone.
During the whole time my network shows few bars, but it is probably fake network.
I am just missing many calls due to this problem, and when some one notifies over other phone I will get to know and I will put into airplane more and back, the network resets and works fine.
Can anyone know what is the problem ??
I have reset my phone also, but of no use.
Thanks in advance.

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