Sometimes Cannot Make or Receive Calls - Samsung Galaxy A71 Questions & Answers

Hello guys,
Sometimes I cannot make or receive calls. When that happens and I try to call, the call attempt immediately ends. I still have good cellular signal, I don't have call barring, call blocking, Wi-Fi calling.
Turning on and off Airplane Mode solves this but the problem reappears from time to time and I don't even know it until people tell me that I am unable to be reached. I have Android 10 with One UI 2.1
Also, I used the current SIM card in my older A5 2017 phone and experienced no such problem.

TechnicGeek said:
Hello guys,
Sometimes I cannot make or receive calls. When that happens and I try to call, the call attempt immediately ends. I still have good cellular signal, I don't have call barring, call blocking, Wi-Fi calling.
Turning on and off Airplane Mode solves this but the problem reappears from time to time and I don't even know it until people tell me that I am unable to be reached. I have Android 10 with One UI 2.1
Also, I used the current SIM card in my older A5 2017 phone and experienced no such problem.
Click to expand...
Click to collapse
Have you checked its not barred? Check on imei24.com

@dezborders It doesn't give me any useful information.

TechnicGeek said:
@dezborders It doesn't give me any useful information.
Click to expand...
Click to collapse
It should say "clean" if its not barred (lost stolen)
---------- Post added at 09:16 AM ---------- Previous post was at 09:13 AM ----------
TechnicGeek said:
Hello guys,
Sometimes I cannot make or receive calls. When that happens and I try to call, the call attempt immediately ends. I still have good cellular signal, I don't have call barring, call blocking, Wi-Fi calling.
Turning on and off Airplane Mode solves this but the problem reappears from time to time and I don't even know it until people tell me that I am unable to be reached. I have Android 10 with One UI 2.1
Also, I used the current SIM card in my older A5 2017 phone and experienced no such problem.
Click to expand...
Click to collapse
Forgot to ask have you tried the SIM in slot 2? Do you Hve same problem with both sim slots

Related

[Q] Lag while receiving calls and SMS issue

Hi everyone, I'm using Stocklite v8 custom rom, I am facing following issues,
1. Even when I have good network coverage (around 59 dBm) there is a huge lag while receiving a call. A caller to my number have to wait for around 20 seconds to receive a call, so sometimes the caller may end the call thinking my number is unreachable.
2. I don't receive SMS many times especially from web (e. g. I have not received SMS in first attempt from google when they wanted to verify my account) . I checked all the settings from my service provider but they said everything is fine.
I logged a complaint to my network provider but they think everything is fine. I even bought new SIM card thinking if the old one is causing problem, but still facing the same issue.
Even before Stocklite I was using Apocalypse rom & I was facing the same issue. So is it Android that causing me the problem?
Plz help me. Thanks in advance.
[1] Did you tweak some clock speeds, coz sometimes in roms they tweak it when your phone sleeps its clock speeds go down like 100mhz then when screen is on its back to full speed. And why do you have to wait 20 seconds??
[2] Try to go to airplane mode and turn it off, reboot. If that didnt solve your problem then apply a pin to your sim card, when i did that i can recieve sms.
Hope this solves your problem
timurdis said:
Hi everyone, I'm using Stocklite v8 custom rom, I am facing following issues,
1. Even when I have good network coverage (around 59 dBm) there is a huge lag while receiving a call. A caller to my number have to wait for around 20 seconds to receive a call, so sometimes the caller may end the call thinking my number is unreachable.
2. I don't receive SMS many times especially from web (e. g. I have not received SMS in first attempt from google when they wanted to verify my account) . I checked all the settings from my service provider but they said everything is fine.
I logged a complaint to my network provider but they think everything is fine. I even bought new SIM card thinking if the old one is causing problem, but still facing the same issue.
Even before Stocklite I was using Apocalypse rom & I was facing the same issue. So is it Android that causing me the problem?
Plz help me. Thanks in advance.
Click to expand...
Click to collapse
Wrong section mate
Please read rules before posting, this is General Thread...NOT Q&A THREAD, so next time post your questions in the correct section, thank you for understanding it
Cyber_Dragon001 said:
[1] Did you tweak some clock speeds, coz sometimes in roms they tweak it when your phone sleeps its clock speeds go down like 100mhz then when screen is on its back to full speed. And why do you have to wait 20 seconds??
[2] Try to go to airplane mode and turn it off, reboot. If that didnt solve your problem then apply a pin to your sim card, when i did that i can recieve sms.
Hope this solves your problem
Click to expand...
Click to collapse
Thanks for the reply.
[1] Yes, I did check some of the clock speed tweaks & Minimum RAM tweak. But unchecked all these tweaks & then tried it but still the problem is persisting.
The problem is that sometimes when people call me they don't hear my caller tune for around 15-20 seconds & able to hear the tune after I receive the call although there is good network strength. So most of the people don't wait for that long thinking my number ain't reachable & end the call. But if they give another try just after the first attempt, they get a reception from me within 5 seconds I hope u got my point now.
[2] I did try that airplane mode trick but seems it's not working for me.
As I already said this issue doesn't occur everytime, but it happens randomly & very frequently. Also sometimes I get duplicate SMSs from my network provider. They checked everything from their end & confirmed that it's not a network related issue.
So, I believe it's my phone which is causing me this problem.
Try not using internet
Try not using internet when not in use..
try uninstalling apps which enables when a call is made or recieved like shaplus caller info and truecaller or call recorder.
cyb3rillusi0n said:
Try not using internet when not in use..
try uninstalling apps which enables when a call is made or recieved like shaplus caller info and truecaller or call recorder.
Click to expand...
Click to collapse
I had installed call recorder once long time ago, but I have already uninstalled it. Other than that I have apps such as hangouts, clean master,google settings etc & rest are multimedia apps, but I don't know if they interfere during calls or not.
I have noticed one thing that the mentioned problem occurs mostly when my phone is in idle state, but it occurs when the screen is ON & when the phone is busy as well. I have already unchecked all the speed tweaks in my phone but still no solution found.
timurdis said:
I had installed call recorder once long time ago, but I have already uninstalled it. Other than that I have apps such as hangouts, clean master,google settings etc & rest are multimedia apps, but I don't know if they interfere during calls or not.
I have noticed one thing that the mentioned problem occurs mostly when my phone is in idle state, but it occurs when the screen is ON & when the phone is busy as well. I have already unchecked all the speed tweaks in my phone but still no solution found.
Click to expand...
Click to collapse
backup your apps, sms, data..
and flash stocklite again and do full wipe and wipe dalvik cache too.
cyb3rillusi0n said:
backup your apps, sms, data..
and flash stocklite again and do full wipe and wipe dalvik cache too.
Click to expand...
Click to collapse
Thanks I actually found out that its the problem with the phone itself. I tried to check on other handset and I didn't face such issues.
But now I am facing another major issue.Whenever I change my sim card and insert it into another phone, my dad receives an sms from number that says my IMEI has been stolen and everyday my phone credits get deducted. I dont know whether i have ever enabled change sim alert option or not but I am unable to find out that option in my stocklite v8 rom.
Please tell me how to disable that option in my phone, I am running out of my credits.

[Q] HTC ONE M8 is randomly dropping calls

Hey there.
I am experiencing some issues with recieving calls. The phone is randomly dropping calls when I hit the answer. Instead of making the connection. I unlocked the bootloader installed google play edition rom and the issue is gone.
I want my phone running sense rom not the google rom so anyone knows how to solve this?
Is this on Sprint? I experience the exact same thing. But I've narrowed it down to when I get calls from other Sprint phones. Land lines and other carriers my phone picks up just fine, but whenever someone calls me from a Sprint account it drops as soon as I hit accept. Is it true that your issue goes away when you are running GPE ROM?
Sent from my 831C using XDA Free mobile app
I figured out what the issue was/is. It's a known issue with Google voice integration. Was on the phone with a CSR and they disabled GV integration on my account and Sprint calls started to connect. Even better is all of a sudden my HD voice calls worked and wow what a difference. You can find the thread on the GV support pages.
https://productforums.google.com/forum/m/#!topic/voice/NxkMd3YpzSw
Sent from my 831C using XDA Free mobile app
I am not using the phone on Sprint , M Not able to make calls
Some time i get incoming else other people complains ur phone is not reachable even though i have full Signal bars
phone goes to Attempting HD for 2 mins before it connects call
May time Call Drops & i get an error
Call Origination Attempt fails due to an Immediate Signal loss ( Signal Fade or No Service available)
I have 3 phones having similar issue
---------- Post added at 09:16 AM ---------- Previous post was at 09:15 AM ----------
sturabekov said:
Hey there.
I am experiencing some issues with recieving calls. The phone is randomly dropping calls when I hit the answer. Instead of making the connection. I unlocked the bootloader installed google play edition rom and the issue is gone.
I want my phone running sense rom not the google rom so anyone knows how to solve this?
Click to expand...
Click to collapse
GPE really worked??
if yes i need to try it
parin11 said:
I am not using the phone on Sprint , M Not able to make calls
Some time i get incoming else other people complains ur phone is not reachable even though i have full Signal bars
phone goes to Attempting HD for 2 mins before it connects call
May time Call Drops & i get an error
Call Origination Attempt fails due to an Immediate Signal loss ( Signal Fade or No Service available)
I have 3 phones having similar issue
---------- Post added at 09:16 AM ---------- Previous post was at 09:15 AM ----------
GPE really worked??
if yes i need to try it
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Click to collapse
Any solution??
samratunlock said:
Any solution??
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Click to collapse
lol. you are soff? try flashing lowest version ruu.. and use debloater to disable, google voice integration and sprint HD voice call. See if it works. something creating problem on software part, as i see gpe works fine..
stevestone said:
lol. you are soff? try flashing lowest version ruu.. and use debloater to disable, google voice integration and sprint HD voice call. See if it works. something creating problem on software part, as i see gpe works fine..
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Click to collapse
not working

[Q] Silence when answering phone call

I have VoLTE and Wi-Fi Calling turned off. Sometimes when I answer an incoming call quickly (actually that doesn't matter), I just get silence and I can't hear the caller and they can't hear me. I have to hang up and try again; Anyone else encounter this?
Update: I think I narrowed it down. Apparently the first call I receive after rebooting my phone always fails (unless I've made an outgoing call first). Subsequent calls work fine until my phone is powered down or rebooted, then the 1st incoming call fails again. I can reproduce this 100% of the time.
I've had this happen a couple times, funny thing is I've had it happen on my S4 and S5 as well.. Im starting to think its Tmo's network.
It might be a glitch with T-Mobile's network, but I haven't encountered it on previous devices. For example, I just switched from the Nexus 5 and never had a problem with voice calls.
I've had this happen a few times also with my S6. Never happened before, and I've been with T-Mobile for over 2 years.
This only happens for me occasionally if one of the callers is on Wifi calling, but it's happened with every phone (not just the S6) so it's definitely a network issue
I found this related to the S4, http://thedroidguy.com/2013/06/gala...ting-incoming-calls-66029#jMqaFVvIYCDRQHse.97. I've disabled the mute function in motions and gestures. We'll see if that works.
ledvedder said:
I've had this happen a few times also with my S6. Never happened before, and I've been with T-Mobile for over 2 years.
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Click to collapse
Been with Tmo for 5 years now and I have had this happen on previous devices.. could be the area I am... lol, I also notice a delay when making a call out which I believe is the network
Never had this problem on S4, but since getting the S6 this problem has been bugging me. Very frustrating.

Note 9 WiFi Calling - can`t make calls but receiving works.

Hi there.
I have Note 9 without any brand. Updated to newest firmware that existed and about two updates ago there was problem - i cant make any calls. Restarts one helps, and other time don`t help at all. And now - it was no use to restart phone because of this problem. I felt that it might be this problem and i turned off this option and tried to make call - and nothing. Only when i restarted phone again - i can make phone calls normally like before. This problem exists not everytime, it looks like when i make call to my second phone it is only "connecting..." at my note9, and other phone is ringing. And there is two kind of behavior, first - in note i cant hear anything, just this "connecting..." message, and other phone after few seconds hangs up and ask about reconnect. And second - after few seconds after receiving call it finally works but it have take some time between receiving call at second phone and hearing anything. Its lottery.
Now i have this option disabled, phone is restarted and now i can make calls. I contacted Samsung via chat (samsung members app) and via Twitter and they said to me to go to their service to diagnose or sth, but i know what i will hear at service: "please reset your phone to factory settings and if then this issue will be present we will take your phone and try to repair it" but i don`t want to do this because of all this configuration and hours of clicking... I dont like to do this when i dont have to.
So my question - do you have similar or the same problem? Is WiFi calling have anything to do with sim provider?
DeVilio said:
Hi there.
I have Note 9 without any brand. Updated to newest firmware that existed and about two updates ago there was problem - i cant make any calls. Restarts one helps, and other time don`t help at all. And now - it was no use to restart phone because of this problem. I felt that it might be this problem and i turned off this option and tried to make call - and nothing. Only when i restarted phone again - i can make phone calls normally like before. This problem exists not everytime, it looks like when i make call to my second phone it is only "connecting..." at my note9, and other phone is ringing. And there is two kind of behavior, first - in note i cant hear anything, just this "connecting..." message, and other phone after few seconds hangs up and ask about reconnect. And second - after few seconds after receiving call it finally works but it have take some time between receiving call at second phone and hearing anything. Its lottery.
Now i have this option disabled, phone is restarted and now i can make calls. I contacted Samsung via chat (samsung members app) and via Twitter and they said to me to go to their service to diagnose or sth, but i know what i will hear at service: "please reset your phone to factory settings and if then this issue will be present we will take your phone and try to repair it" but i don`t want to do this because of all this configuration and hours of clicking... I dont like to do this when i dont have to.
So my question - do you have similar or the same problem? Is WiFi calling have anything to do with sim provider?
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Click to collapse
Well need a few things to be able to help.
Carrier?
Model? I'm guessing N960I1?
What is the firmware version you're on?
Jammol said:
Well need a few things to be able to help.
Carrier?
Model? I'm guessing N960I1?
What is the firmware version you're on?
Click to expand...
Click to collapse
Carrier - Poland, Play but not branded phone , model - SM-N960F, FW version N960FXXS2CSD2/N960FOXM2CSA7/N960FXXS2CSD1
DeVilio said:
Carrier - Poland, Play but not branded phone , model - SM-N960F, FW version N960FXXS2CSD2/N960FOXM2CSA7/N960FXXS2CSD1
Click to expand...
Click to collapse
And I'm assuming the carrier Support Wi-Fi calling right? It may be a provisioning issue. You should try contacting your carrier and verify Wi-Fi calling is a feature and that they support it on your device. They should also be able to help you activate it if they support it.
I wrote that it was working normally before, and now it stops. I`ve had this thing working.

Xiaomi mi9 has no audio when receiving calls

I am wondering if anyone else has an issue where they cant hear anything when receiving a call. It only applies to SIM based calls. Data based like hangouts or signal have no issues. Also if I am the one calling there is no problem at all. When I pick up a SIM call I hear nothing, but my audio comes in great for the other person. The problem is purely on my end. This happens for me with both the stock global ROM, and pixel experience. From what I can tell, my speakers work fine, but I am stumped here trying to figure out whats going on.
cfoster1228 said:
I am wondering if anyone else has an issue where they cant hear anything when receiving a call. It only applies to SIM based calls. Data based like hangouts or signal have no issues. Also if I am the one calling there is no problem at all. When I pick up a SIM call I hear nothing, but my audio comes in great for the other person. The problem is purely on my end. This happens for me with both the stock global ROM, and pixel experience. From what I can tell, my speakers work fine, but I am stumped here trying to figure out whats going on.
Click to expand...
Click to collapse
Hi
To localize your problem, please try truephone app and tell us if this is working or not.
Do you have automatically answer call enabled in the dialer settings or anything that might modify the call state like raise to ear or any other custom settings like reduce ring volume when raising handset, flip to mute or anything at all of that nature? I would disable any setting like that you are using and see if it helps.
There was a bug on an EEA build last month where the voice of the caller couldn't be heard on incoming Volte calls. Touching the hold button twice on the dialer allowed the call to be heard normally.
You might also want to turn Bluetooth off if enabled just to verify that the sound from your call isn't being routed in error to a Bluetooth device.
Did the problem just start recently?
---------- Post added at 10:57 PM ---------- Previous post was at 10:54 PM ----------
Are you using any mods like Xposed or the Magisk module that uses the earpiece to create stereo sound?
Laptapper said:
Hi
To localize your problem, please try truephone app and tell us if this is working or not.
Click to expand...
Click to collapse
I have tried several dialers including truephone and the problem is persistent for all of them.
jhs39 said:
Do you have automatically answer call enabled in the dialer settings or anything that might modify the call state like raise to ear or any other custom settings like reduce ring volume when raising handset, flip to mute or anything at all of that nature? I would disable any setting like that you are using and see if it helps.
There was a bug on an EEA build last month where the voice of the caller couldn't be heard on incoming Volte calls. Touching the hold button twice on the dialer allowed the call to be heard normally.
You might also want to turn Bluetooth off if enabled just to verify that the sound from your call isn't being routed in error to a Bluetooth device.
Did the problem just start recently?
---------- Post added at 10:57 PM ---------- Previous post was at 10:54 PM ----------
Are you using any mods like Xposed or the Magisk module that uses the earpiece to create stereo sound?
Click to expand...
Click to collapse
I don't have any settings or magisk mods that should be touching the volume at all, and it happens both with and without bluetooth enabled. However, the hold/unhold thing does work for me. Was there any fix for this bug? I can live with tapping hold twice until this gets solved. It is definitely better than just not answering any call I get.
cfoster1228 said:
I have tried several dialers including truephone and the problem is persistent for all of them.
I don't have any settings or magisk mods that should be touching the volume at all, and it happens both with and without bluetooth enabled. However, the hold/unhold thing does work for me. Was there any fix for this bug? I can live with tapping hold twice until this gets solved. It is definitely better than just not answering any call I get.
Click to expand...
Click to collapse
The bug went away for me after I switched from EEA to the Global Beta ROM. Currently I'm running ROS and the issue never came back--it seemed to be specific to the EEA ROM.
jhs39 said:
The bug went away for me after I switched from EEA to the Global Beta ROM. Currently I'm running ROS and the issue never came back--it seemed to be specific to the EEA ROM.
Click to expand...
Click to collapse
I will give that a shot sometime soon. Glad to hear that the problem is solvable, too.
hi i have a redmi note 9 pro phone.some time i have recive call then reciver voice not listinig. if i restat the phone then its working.why?
cfoster1228 said:
I am wondering if anyone else has an issue where they cant hear anything when receiving a call. It only applies to SIM based calls. Data based like hangouts or signal have no issues. Also if I am the one calling there is no problem at all. When I pick up a SIM call I hear nothing, but my audio comes in great for the other person. The problem is purely on my end. This happens for me with both the stock global ROM, and pixel experience. From what I can tell, my speakers work fine, but I am stumped here trying to figure out whats going on.
Click to expand...
Click to collapse
I got almost the same diagnostic unless sound does not work when receiving a what's app call either. But it works when I'm the one making the call.
What is the "hold" button, I tried everything physical and software button I could think of and I don't find it.

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