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Multiple Dropped Calls - Galaxy S9 Plus G965F

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By Geekser, XDA Ad-Free Senior Member on 16th March 2018, 01:57 AM
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I love my new S9Plus, but I am getting increasingly frustrated in the number of dropped calls I am having.

It doesn't seem to matter if I have several bars or only one or two - I am dropping calls at least 8 or 9 times a day. Even when I have 4 bars.

TOday at work I had four bars (download speeds of 26MB down on lte) and I dropped two calls while talking to my wife. Problem enough that I dropped the calls but my wife thinks I hung up on her.

I live in the US and am on ATT if that matters. I have used International Variants on my last four phones and never had this call drop problem before. NEVER.

I first wonder if there is something I can do about this? Is this caused by software or hardware in the phone? is there a way to test t his? (it is hard to anticpate when I will drop calls. I have had some calls last over 10 minutes without dropping and other times in the same location - call drop out after 1 minute.

Anyone else having this problem? Your help and input is greatly appreciated.
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16th March 2018, 05:01 PM |#2  
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Am I the only one experiencing dropped calls? Signal Strength seems ok - but while talking calls just drop off - I watched the signal strength meter go away and instead saw a circle with a link thru it - no signal I guess - (I think my call would have dropped had I been on a call) for no apparent reason -

Anyone else having an issue with dropped calls or am I the only one?
16th March 2018, 05:11 PM |#3  
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I'm also having drop outs on Vodafone UK. Only happens when I've been on the phone for more then 5 mins
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16th March 2018, 06:51 PM |#4  
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I had bad quality in calls, hardly understood what the other person said; changed the sim card, all ok now.

Sent from my SM-G965F using Tapatalk
16th March 2018, 07:12 PM |#5  
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I have the samsung unlocked version and using Verizon on it, have not dropped any calls yet but it seems very static sounding. I love the phone, and only talk to my wife on the phone, everyone else I just text so not a huge issue with me.
16th March 2018, 09:28 PM |#6  
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To OP, this used to happen to me on S4/S7 when the phone would switch between LTE/WCDMA when suddenly I would get no network with signal disappearing and dropping calls. A new firmware fixed that issue in one case and in other case had to replace the phone itself. Can you try changing to "GSM only" to see if this is related to VOLTE at all or bands changing between LTS<=>WCDMA?

As for the static in call, it could be due to lack of VoLTE support.
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16th March 2018, 09:52 PM |#7  
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I went to the ATT Store and they mentioned that ATT has been doing someting with enhanced calling stuff - said it might effect me - but I am not sure I get enhanced calling because I am not on a branded phone. I went ahead and got a new sim card thinking maybe that might help. Will see what happens over the next few days.

I do appreciate the comments - hope this is not a phone issue
16th March 2018, 10:42 PM |#8  
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I'm on T-Mobile and I am experiencing it as well, and no it's not the service as my One plus 5t doesn't drop any calls in the same area, same sim, same service. Even the Wifi was weak.

I did a support call with Samsung and they advised me to return it.. I ordered another one to see if that one is any better... I'm hoping... If not that will go back as well.

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17th March 2018, 05:44 AM |#9  
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I just got my s9 with att today and am in the states. I'm having the same issue. I have also noticed it is super delayed in sending images via text as well.
17th March 2018, 08:12 AM |#10  
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I have the issues on my s9 on Vodafone UK there is also a post in the s9 forums about it

It's seems to be affecting a few people and it seems global

So let's hope a FW update fixes it and that the update come soon ar I will return the handset
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19th March 2018, 05:26 AM |#11  
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First the finger print sensor issues. Now this!
My one week old s9+ gave me trouble with the fingerprint error that got fixed with the update. But now my device is dropping almost every other call. Short or long it doesn't matter. I could make calls with no drops in the same spot using the same sim card on my s7 edge. Heading to Samsung tomorrow. Not quiet happy! Device is unlocked. Bought directly from Samsung and I live in Bahrain.
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