Xperia Z3 :: Keep Losing Signal While Call Is Running

May 2, 2015

My problem is in my new phone Z3 Dual, every thing in the phone is good and running properly but i noticed one problem recently.
 
when i receive calls or starting calls, some time the signal is suddenly lost and call broke and i lose the phone call then it works again.
 
my sim is nano sim and works just fine.

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Google Nexus 5 :: Running OS 5.1 - Keep Losing Data Signal

May 8, 2015

So I recently got my Nexus 5, switched as an avid Blackberry user (of the last 12 years, and 6 devices!) So far I LOVE the Nexus 5, and Android OS I think I should have been made the switch earlier. As soon as I got my phone and activated with my existing T-Mobile SIM, everything was working fine, except the Mobile DATA Network wouldn't work (only would work via wi-fi.) I called T-MO Tech Support 3-4 times, and after doing a factory reset, everything was back to working GREAT!

Now, 1 week later the Data Network stopped working AGAIN (I can make and receive calls, and text messages, however no Internet via Mobile Network.) I didn't change any settings or anything.. Again, I called t-mobile and they tried EVERYTHING (reset APN Settings, checked APN, Protocol, etc..) The last thing they asked me to do again was a factory reset, and once again everything seems to be working fine.

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Jul 4, 2012

I've had an iPhone 3GS on Orange since April 2010, and am waiting to upgrade until the 5 (or whatever they call it) comes out later this year. I've always had a full 3G signal in my house since I have had my iPhone. Around 3 weeks ago, I suddenly noticed one evening that I had no signal, I put it down to a local reception problem or something and ignored it. Later that evening though, I realised that my wife, who has a Blackberry Curve also on Orange, still had a full signal. I also have an iPad 2 3G on Orange, which had full signal still, and then my brother came round with his iPhone 4 on Orange and again had full signal.

The next day I was driving to work and suddenly my signal reappeared, pinging in half a dozen texts and missed call alerts etc. Then when I arrived at work (where I usually get 2-3 bars of signal) again my phone showed No Signal. One of my colleagues has an iPhone 4 on Orange, and sitting on the table right next to my phone was getting 3 bars of 3g signal, where I had nothing. Walking around the town on my lunch break I managed to get 1 bar up and get a text in.

Over the last few weeks this pattern has repeated. I can still go to some places where I can get a full 3g signal. Sometimes I'm driving and the signal comes in for a while then goes. Sometimes I go to larger towns and get a full signal easily. However mostly for the last 3 weeks I'm getting no signal. When at home, if I go out of my house.

I have tried a normal restore, a reset and a DFU reset. Funnily enough these all seem to make it suddenly work again at home for about half an hour, then it disappears again. I've read about some people having a problem with jailbroken phones, but this phone never has been. I'm guessing there could be something wrong with the internal ariel, but it puzzles me why it still sometimes picks up a signal. Is there a signal amplifier in the phone that could have gone wrong and it's making it harder to find the signal?

Info:
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Apr 17, 2012

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May 6, 2012

I have a iPhone 3GS, and have had no problems with it whatsoever. However, recently whenever I am using an ap that is sending/receiving data (either through Wifi or 3G connection) my signal drops out every minute or so for several seconds, before searching and reconnecting, and resets my Wifi connection also. However, when simply texting or talking on the phone this doesnt occur. The problem seemed to have begun after installing iOS5, but since updating to iOS5.1, it still remains the same.

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May 8, 2012

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Jun 5, 2012

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Jun 12, 2012

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Info:
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I'm having a strange problem with my new Xperia Z3 Dual ever since I updated it to Lollipop. I’m using two SIM cards from two different operators. But every morning I notice that there is no signal available for SIM2. Signal comes back to normal on SIM2, if a call received or if I made an outgoing call from SIM1. Otherwise I have to switch on to Airplane Mode and switch it off every time to get the signal back. Because of this issue the battery drains so fast during night (due to loss of signal for 6-7hrs). And also I notice sudden call drops during conversations within 5-10 minutes after receiving or making a call.
 
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Mar 18, 2012

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Info:
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Apr 18, 2012

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Sep 20, 2015

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Tried APN settings too.. Not sure how to reply to the answers..so editing the question....

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