Signal problem - Atrix 4G Q&A, Help & Troubleshooting

Hey guys, I have this weird new problem. After I hang up or a call gets disconnected the signal shows zero bars and I get no data or calls or sms for a few minutes before it turns itself back onto 5 bars

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[Q] [help] Atrix not recieving incoming calls

Hey all,
I'm having this issue randomly ever since I took a trip to Chicago this past weekend. My Atrix (only rooted) stopped receiving incoming calls from certain numbers. I've tried with a friend's AT&T iPhone and it works fine. But from my Verizon work cell I cannot call my Atrix.
When an incoming call comes in, the phone rings for half a second and then goes back to my home screen. No missed call log or anything. Immediately when the call comes in the phone's signal drops out and a few seconds later reconnects.
Everything else works just fine, SMS and data still smooth.
Anyone else have this issue? It's strange and pretty annoying.
Upon further investigation I have found that I can make and receive calls to those Verizon numbers if they are deleted from my contacts!
So Verizon + Contact = FAIL

[Q] Incoming calls fail on 3G on hypersimmed Sharp 005SH

Hello,
I found one thread about the same issue but didn't want to revive it because it's in an HTC Incredible S dedicated forum. Anyway, I am having the exact same problem as described there and I've been looking for a solution for months now...
Incoming calls fail when the phone is switched to 3G.
Until I came upon that thread, I thought this problem only occurs on Hypersimmed Japanese phones -- Japanese phones have a SIM lock that can only be overcome using a hypersim and even then they don't usually work fine in 3G.
Some hypersims, however, seem to be able to "do something" about this issue - while I have zero issues with incoming calls under 3G on my 904SH (2006 model), the problem described here occurs on my Android-powered Sharp Softbank 005SH.
So, I can connect to the 3G network (when in 3G only mode - if set to AUTO the switch causes the phone to lose signal and the SIM must be inserted in a "normal" phone to regain signal, we call this "CPR").
3G data works and 3G incoming calls work -- as long as there is an active data connection.
One way to do this was have Skype running all the time - huge battery drain and still incoming calls would occasionally fail as Skype doesn't seem to update its data at fixed small intervals...
I have estimated that the data connection closes in about 30 seconds, which means that after this period, incoming calls will fail.
I tried a small app that a friend had written - a screen widget that connects to a server at a fixed interval, e.g. 20 or 30 seconds, and displays different small photos.
This app does the trick as long as the phone's screen is on. If I switch it off, the app continues working, and even lights up the screen every 20 seconds (at maybe 1/3 of normal brightness) but incoming calls fail.
Now, in the above mentioned thread, the user only writes that his problem got fixed by itself.
I too have excellent 3G coverage and it's not a local problem (near my home's signal tower).
So, any ideas will be welcome!

[Q] Phone keeps losing contact with network (bell)

Hi guys,
I just switched to Bell (Canada) and have a Galaxy S3.
I have noticed in the last day or so that I keep losing the connection with the carrier. I will try to send a text message and it says unable to send right now and the notification screen will not display bell as the carrier. A few seconds later, it will work.
My connection when it is working is quite high signal (max bars)
Does anyone know what could be going on or how I might diagnose it further?
Thanks
I have installed an app called no signal alert and it seems that I keep entering "emergency calls only" mode every few minutes.

Question Wifi calling issues

Since the last OTA update I am facing issues while calling on WiFi.
While my phone is already on WiFi if I recieve a call, intermittently the voice breaks alot, after manually switching to Mobile network it works alright.
But Today I faced a weird issue, I received a call on mobile network when I was outside, as soon as I entered home and switched to WiFi, I got a message on my screen that the call has dropped and voice stopped, when I dialled back the call got connected automatically and I could hear my friend still talking like it never disconnected and at the same time I could also hear 2nd voice that the number you have called is busy. I tried to disconnect and call again but it was the same, to get out of this loop I had to switch back to Mobile network and disconnect.
This is the first time I faced such issue.

Question Lost signal when inactive

Hi, just recived my pixel 6 and I notice that when I don't use my phone for a while I lost the signal when I try to make a call, also I won't revive calls just notification that I missed a call, after 30 sec the phone receive signal again. This is keeps on happening every time my phone is inactive.
Any ideas?

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