S8 Call drop then no service - Randomly - Samsung Galaxy S8 Questions and Answers

Hi Guys
In the UAE and got a sparkling s8, but for 4 days now once a day, while on a call the call drops, signal indicator shows no service and then comes back. Problem is after this happens i am not able to make or receive calls as the other party cant here me. The phone needs to restarted and then works normally.
Has any one else experienced this. I had a chat to Sammy support and all they want to do is to change the SIM. I dont find this acceptable. Has anyone else had similar problem or do you know of any radio updates that could be applied.
thanks
Stiaan

Ican confirm that, it's happened with me exactly the same.
I am in uae using Etisalat in both sims.
Hope samsung solve it in next update, it's annoying.

stiaandxb said:
Hi Guys
In the UAE and got a sparkling s8, but for 4 days now once a day, while on a call the call drops, signal indicator shows no service and then comes back. Problem is after this happens i am not able to make or receive calls as the other party cant here me. The phone needs to restarted and then works normally.
Has any one else experienced this. I had a chat to Sammy support and all they want to do is to change the SIM. I dont find this acceptable. Has anyone else had similar problem or do you know of any radio updates that could be applied.
thanks
Stiaan
Click to expand...
Click to collapse
copysat said:
Ican confirm that, it's happened with me exactly the same.
I am in uae using Etisalat in both sims.
Hope samsung solve it in next update, it's annoying.
Click to expand...
Click to collapse
I am using it in Australia, didn't had any issue at in past 3 days. I got my phone from 24th April. It could be your carrier issue as 2 reports are from UAE only. Who is your carrier provider?

I am also using etisalat.

Any one facing this issue in defiant carrier!

I think i figure out what coz the problem.
I am using app called "dual sim selector" pro version when I disable it all are ok.. Really strange i use this app in other phone with no problem. @stiaandxb are you using this app or similar?

I am in UAE on etisalat and facing the exact same issue with the new galaxy S8. Just hoping that it get solved by some software update.

Sound/Audio problem
I am also facing similar audio problem in Germany on O2. Sometimes when i call somebody and he picks the call. The audio totally disappears. I can't hear him and he can't hear me. After that all sounds from the mobile stops workings. No audio from Music player or videos comes out. If somebody calls me, no ringtone is played neither vibration works. Only system vibration works during SMS reception.
It seems like phone app somehow blocks all the sounds.
The behavior is random. It happens once a day on some call. The only solution to resolve this situation is by restarting the phone.

stiaandxb said:
Hi Guys
In the UAE and got a sparkling s8, but for 4 days now once a day, while on a call the call drops, signal indicator shows no service and then comes back. Problem is after this happens i am not able to make or receive calls as the other party cant here me. The phone needs to restarted and then works normally.
Has any one else experienced this. I had a chat to Sammy support and all they want to do is to change the SIM. I dont find this acceptable. Has anyone else had similar problem or do you know of any radio updates that could be applied.
thanks
Stiaan
Click to expand...
Click to collapse
I got this exactly on my S8 in Bahrain, VIVA, then replaced with S8+ it is even worse than that.

I am from Egypt and face the same problem, call drops then no sound whatsoever until i restart my phone , S8+ dual sim (etisalat + vodafone)

Did anyone find a solution for this? I have the same issue. Galaxy S8+ in Cyprus/Vodafone? Happens every day and the phone needs restart for sounds to come back to life.

Same issue here in IndiaS8+ ( Vodafone +Jio). Tried resetting also. Then happened again once a week ago. Also note that when this happens phone stops behaving like crazy. Can't play video, audio or even network goes down. Both speakers can't play audio(for calls too)
Secondly, when switching the sim for mobile data ( say sim 1 to sim 2) the network goes down and never comes up until you switch back to the old settings of mobile data.
After restart phone behaves normally with proper audio through both the speakers.
Lastly, yesterday while playing asphalt 8, the phone( game) was lagging. There were many frame drops and stutters also the phone was working like it has onlh 512 mb ram. And then suddenly it got freezed with black screen. I had to force restart it by pressing power+Bixby key.
Let me know if anyone find solution for these.

Riginos said:
Did anyone find a solution for this? I have the same issue. Galaxy S8+ in Cyprus/Vodafone? Happens every day and the phone needs restart for sounds to come back to life.
Click to expand...
Click to collapse
No solution found until now. Talked to Samsung Germany, they asked for factory reset and safe mode. Nothing worked.

andoavt said:
No solution found until now. Talked to Samsung Germany, they asked for factory reset and safe mode. Nothing worked.
Click to expand...
Click to collapse
i updated my phone to firmware G955FXXU1AQF7 and i can confirm that the phone has been running without this issue for 5 days now. issue was happening twice a day every day before.
Now for 5 straight days no issue what so ever. My phone is the S8+

onkarsingh_pardeshi said:
Lastly, yesterday while playing asphalt 8, the phone( game) was lagging. There were many frame drops and stutters also the phone was working like it has onlh 512 mb ram. And then suddenly it got freezed with black screen. I had to force restart it by pressing power+Bixby key.
Let me know if anyone find solution for these.
Click to expand...
Click to collapse
Regarding game lagging issue, may be it can be resolved in Game Launcher by setting performance to "High performance" in the right bottom of Game Launcher.
---------- Post added at 04:16 PM ---------- Previous post was at 04:08 PM ----------
Riginos said:
i updated my phone to firmware G955FXXU1AQF7 and i can confirm that the phone has been running without this issue for 5 days now. issue was happening twice a day every day before.
Now for 5 straight days no issue what so ever. My phone is the S8+
Click to expand...
Click to collapse
We haven't yet got AQF7 for galaxy S8 in Germany. I have narrowed down the problem to some conditions. May be you can try this to try reproducing the problem. S8 or S8+ must be connected to GSM network in 3G mode, and the other phone must also be connected in 3G mode. Now call from S8/+ to other phone and put the mobile to your ear so that the screen is off (because of proximity sensor) while the bell is ringing. Now pick the call from other phone. Normally in first 2 seconds of call, phone goes to silent mode. Phone goes in silent mode in 5 to 10 calls and then you have to restart.

andoavt said:
Regarding game lagging issue, may be it can be resolved in Game Launcher by setting performance to "High performance" in the right bottom of Game Launcher.
---------- Post added at 04:16 PM ---------- Previous post was at 04:08 PM ----------
We haven't yet got AQF7 for galaxy S8 in Germany. I have narrowed down the problem to some conditions. May be you can try this to try reproducing the problem. S8 or S8+ must be connected to GSM network in 3G mode, and the other phone must also be connected in 3G mode. Now call from S8/+ to other phone and put the mobile to your ear so that the screen is off (because of proximity sensor) while the bell is ringing. Now pick the call from other phone. Normally in first 2 seconds of call, phone goes to silent mode. Phone goes in silent mode in 5 to 10 calls and then you have to restart.
Click to expand...
Click to collapse
i will try to do that but please note that the phone was having this issue since day one. no matter what i had. 3G or 4G. Usually it was happening after 3-4 minutes or if i was in a low signal area or driving.
I tested with the update and my issue is gone so far with a lot of testing with calls more than 20 minutes straight
The good thing is that is seems now that this is not a hardware but software issue.

Riginos said:
i will try to do that but please note that the phone was having this issue since day one. no matter what i had. 3G or 4G. Usually it was happening after 3-4 minutes or if i was in a low signal area or driving.
I tested with the update and my issue is gone so far with a lot of testing with calls more than 20 minutes straight
The good thing is that is seems now that this is not a hardware but software issue.
Click to expand...
Click to collapse
It never happened on my S8 in 2G or 4G. It always happened in the beginning of the call and never appeared once a call has successfully passed first five seconds. But once it appeared, the only solution is to restart. I am unable to find any other solution until now.

andoavt said:
It never happened on my S8 in 2G or 4G. It always happened in the beginning of the call and never appeared once a call has successfully passed first five seconds. But once it appeared, the only solution is to restart. I am unable to find any other solution until now.
Click to expand...
Click to collapse
I was using the phone on auto 2G/3G/4G and it was always happening.
I tried 4G only and i had the same issue.
I tried 2G/3G and i had the same issue.
Now with the update i am always on auto again and issue is gone since last Wednesday.
Another thing we discovered is that in Cyprus everyone who had the S8+ and the carrier was Vodafone had this issue. Everyone who was with MTN did not.

Hi to all,
I saw that today a firmware was released for S8 also and in Germany. Firmware is the same as S8+ G950FXXU1AQF7

Riginos said:
I saw that today a firmware was released for S8 also and in Germany. Firmware is the same as S8+ G950FXXU1AQF7
Click to expand...
Click to collapse
Yes, a firmware is available for Germany (Vodafone). My S8 is carrier independent and i don't want to write it using odin. I will wait for the OTA update.

Related

My touch hd keeps dropping calls

Hey,
Has anyone else had problems with their HD suddenly cutting of calls even though there is good network coverage? I can have 5 bars of network on the phone, receive a phonecall, talk for a while, then suddenly have the bars drop to 0 and the call being ended. It's getting really annoying at this point.
Also I think the speed of the surfing through network (gprs/edge/hsdpa) has slowed down; it feels as if it doesn't really establish a great connection with the network.
Please tell me you've had this problem and that it's a software issue that is fixable!
Its your 3g network that is dropping calls. I have same problem.
Go to settings, phone and then choose the band tab. Change network from Auto to GSM.
Solves all problems.
I have poor 3g in my home. At home I use gsm mode and when i go back out i switch to auto - 3g mode.
Or it might be because of an old SIM card. If you had yours for a couple of years for example, it might be time to ask for a new one.
i've actually had my sim card for ages, gonna try to order a new one and see if that solves it, thanks for the tip
Let us know!
got the HD and it droped calls all the time. My SIM-card was 5 years old. after changing it worked a lot better but not 100%. Solved that after disabling 3g (bad 3g rec at home), now it works as it should no more dropped calls.
You know.. it would be ideal to have an app that could be assigned to a button press that switches the 3g on and off without needing to go into settings all the time.
I don't use the 3g stuff all that often (mostly wifi) and gsm is fine for sending texts and making calls. Not so sire about mms though.
To be alle to switch it on and off would be ideal and could be used in conjunction with other software to schedule locations or times that would auto switch.
Anyone know of any thing?
i have got the same problem. I have sent my hd to manufacture on warranty. I still waiting on my phone, i let you know what is going on when it will be back to me.
P.S.
sorry about my english
Desperate
Hello to all,
I am having completly same issue with my touch hd.
Expierincing line drops, other side hear me badly or not at all. I tried to update radio roms to 1.09.25.35 and 1.10.25.25 , but ittis the same. Also tried updating ROM to DUTTY HD 1.7.,but it was the same. My network is MTS in Serbia.
Than, I changed finding netwotk to manual, and type of band to GSM (900+1800) UMTS (2100), same result . It looks that this helps a litlle, since I expierence less drops, but I am still unavliable sometimes. Also since my gsm card is 7 years old, I was adviced to change it what I did as well.
This brought even more results, but today, after 5 days of good work in one place (with good reception of 3G) I travell to another city, and you may guess, It started happen again.
All the way phone was loosing signal, calls were droping or even I was unable to make any calls as well.
I am so desperate, and will have to return it to a dealer, although it was my last option...
My was the same problem but it was fix
After I installed couples of upgrade my HD from HTC website and I recieved too many drop call so I uninstalled all the Hot fix . Now every work back to the normal way
Tried that as well, made 2 times hard reset, but no help.
Anyway I had only ine hotfix installed the one for keyboard lag.
I had imprssion in the begining that my problems started with new connection manager database (hotfix that was automaticly installed), but after hard reset everything repeated, so that was not the case....
Same problem here! Total nightmare, is there any possible fix for this or is it just poor quality gsm bits in the phone? Mine picks up such lower signal than any other phone ive had
Ryanmt said:
Same problem here! Total nightmare, is there any possible fix for this or is it just poor quality gsm bits in the phone? Mine picks up such lower signal than any other phone ive had
Click to expand...
Click to collapse
Ryanmt, It looks that GSM module sucks...Everything else is superb, but, after all this is a phone, isn't it?
I reversed to original ROM (403 WWE), and RADIO ROM (1.09.25.14), removed HardSPL, and now waiting for asome bright idea to try...
I give myself 7 days before waranty claim...
CORRECTION: I left mine HD for warantty today (11.02.), will report on...
Mine went back for warrenty also. Mine went back due to a faulty screen but i noted down it had major signal issues too.
Have you had any update?
I am still waiting for mine. Don't know how long usually takes. Any expiriences?
djurkash said:
I am still waiting for mine. Don't know how long usually takes. Any expiriences?
Click to expand...
Click to collapse
Im still waiting now is 24th day, but i had sent by carphonewarehouse next time i will send straitgh to htc because cpw is not good.
24 days !? OMG, I hope I won't be that luck. I gave mysef my HD directly to official distributor (same place wher I have bought it) here in Serbia, this is 5th day since I have left it...
HTC told me 5 days from when they receive it.
Sent mine away also
I was experiencing the same problems, even when I had signal it was impossible to call someone(not always but it happends sometimes) and for some reason my FM Radio wasn't working.. I'll try to keep you all informed, if it helped to sent it back to htc..
sounds like htc might be collecting a nice pile of phones with the same symptoms. I wonder if that will prompt them to release a fix of some sort

Source of connection, phone call problem.

Seems nobody talks about the call problems anymore. My guess is people given upp. Well the good news from Sweden Samsung is that they are aware of the problem! They have keept denying it or saying tbay cant replicate the problem. Finaly it seems like they are actually trying to get there hands dirty. Maybe because its on all new Samsung mobiles.
Now i was having a idea about the source of the problem, but to get some peace of mind on it, all can post if it works, or not. Hopefully we can at least get to the source of the problem.
Now here is my take on the issues, my way of counting out factors:
Here in Sweden, only 1 carrier have Edge on there network. And its the only company reporting call/connection issues. (calls get randomly muted, robot calls, phone keeps changing network, slow internet etc)
Samsung have a new codec on there phones, trying to achive a new, better, call quality. So my belives is that audio codec have trouble using Edge, and that could at least be a start to find the root of evil (but with a great original idea)
So, do you have the mute call issue? Yes/No
Do your carrier have Edge? Yes/No
Plz answer and lets see if we have a more direct approach to complain/call in issues to Samsung all around the world, remember. The more that reports/complain to the company, bigger chance they speed up time to fix it ... although Samsung isnt fast to come around :/
Well post away, does it work on Edge or not?
Yes I have this problem and my operator has EDGE. And I'm battling to get another phone in this price range (probably the HTC desire HD), becasue my service can't fix this and the operator has no clue to what could be wrong. I recomend you ditch the omnia to.
Remember to not but Samsung s2 or any, same prob.:-(. Been thinking the same as you but im gona stick to it cuz my phone is carrier free etc, and my current contract ends in 3-4 months or so, so im on to a new carrier. Sad but thru. Samsung should have addressed this issue fast, now there paying the price on other newer models.
Thnx for the reply, 1 answer and still on right track :-D
given up is the correct word...
next phone won't be samsung either way =) just to bother them!
Can you relate to edge problem to?
Seems there is no Omnia 7 uers left =(
Yes I have the mute call issue, but as far as I can tell, my Carrier does not use EDGE.
When the mute call occurs I see the phone rapidly trying to change networks, and ultimately if it settles on G there are no more mutes in that call. If it goes back to 3G it happens again. During that time the phone loses the signal completely, then jumps back to full once the switch is complete.
Darn, that could mean the end of my theory. Make sure your 100% sure.
Now, with so little going on, i thought people would love a poll to klick on =P
As far as I could find out, My carrier had a test rollout of EDGE in one city, but didn't continue with it. So, no, no EDGE atleast not in the areas I go to.
I'm in Austria, Provider is A1 and it uses EDGE
Fixed my problem by locking the phone to 3G network
Downside is that I have no signal in an area where 3G coverage is poor...
(so I've to switch back to automatic mode sometimes)...
man, this sucks really bad...
Given up describes it best, so many critical bugs (not only the call issue), never ever Samsung again, its a brick with a great screen. How come early reviews didnt report any of these flaws...
I locked the Phone to 3G and still experience silence during calls and creepy modem sounds. Phone tries to switch 3g on and off and eventually loses signal altogether. Last time I could not end the call after it went silent, windows just froze saying "ending call.....".
Usually doesnt happen in areas with really good coverage like cities, but rural areas make it unusable.
You used Cheveron? I have the call issue bug. Sometimes it happens and sometimes its like there no problem. Its like some days is a bad day and other a good day.
I know for a fact that all carriers in Sweden have no problems exept 1. And since the phone is otherwise the best, im soon changing carrier ... cant wait.
I bought my omnia about 5 months ago from ebay and I face this mute problem since, I was living in Oman when I bought this and now I am living in Indonesia and still facing the same problem even if I used another carrier SIM card.
Actually in my case this problem start only when I received a call and I start can hear the caller voice exactly after 12 seconds of connection and after that call, the mute problem happen for all incoming and outgoing call and I need to restart the phone if I want to make outgoing call without mute problem.
Are you guys having the same symtomp and situation?
fyi all carriers in oman and indonesia has both edge and 3G mode, but locking the phone to 3G didn't solve the problem in my case.
yep pretty much the same, you need to restart it in order to place a call again. That however doesnt guarantee that it wont bug again in a couple of minutes. Its very sensitive to signal strength, hence it happens very irregularly, nevertheless its not an operator issue.
Its maybe more pronounced on some networks since coverage varies.
Locking to edge definitely wont fix it, since it will bug on 3g / 3g+ switching still. It is a Samsung radio issue, its time they finally take credit for their flaws...the hard way.
Some more info from me. My theory is that this is not a Samsung-operator problem but only samsung problem. Because I have also tried my phone with a diferent SIM and i had the same problems, mute/modem calls, a little less but nonetheless. So this I think is totaly a Samsung f*** up. I you can excange your phone for a nother in the price range. The HTC sensation seems good but I know it's android but hey better android then a phone that even can't handle calls. I myself am in talks with my operator to change the Omnia for the sensation because they can not fix the problem. I also got we never heard of this before and then I recorded a video of the phone making the modem sounds (the video is on the forum) and presented it to them and said that they fix this or another phone, and now they I think will never know how to fix it so I will probably get a new phone (the sensation). Cheers.
That its Samsungs fault is there no question about. But i just wanted to se if Edge could be a problem, as it seems to be in Sweden at least. And help folks at, for now, choose a diff carrier that might work better = we are all sleeping soundly. Omnia 7 is the best phone out there atm according to me. But thiss connection/ mute call is really destroying one of the best phones atm. :'(
@voltageMX, lucky you but I think you're going to miss samoled display since Sensation only have SLCD display but at least you'll have a phone that working as a phone.
Too bad I bought my omnia from ebay...so I can't ask for replacement from the seller.
my only hope is mango update will cure the problem...
When call issue occurs i usally turns phone off, remove battery a short short while and start it up. I have noticed this have a lottery effect, i can go some day without the issue, only to se it return again, but as a temp fix it ...is better then nothing =/
Now is there any others that called Samsung in there country recently? In Sweden we got a radio Firmware you can get...by sending in your phonE!!!
But it seems to do the jobb. Internet have been reported faster also. We had users signing up and talking directly to Samsung to aid them in there search for the problem. And finally we got it. Waiting for my phone to return so ill report back about firmware version etc.
So, anybody recently talked to Samsung?
Hi,
I'm from Malaysia and I used to have the 2 seconds mute when I was on a 2G network. After that I switch to an operator which only has 3G (domestic roaming for 2G) and I don't face that issue anymore.

[Q] Network Problems with nexus

Hi Guys,
I have a major problem here. I got nexus 4 imported to india. I use it with airtel network one of the bests here.. previously i was using win 7.8 phone without any issues. Since the time i've started using nexus 4 my gf is complaining my phone will be not reachable most of the times.. once if she sends a msg she will be able to call. and the problem i myself have seen is like sometimes when i try to call a number right next second it gets disconnected and the phone vibrates, once i tired to call a number for 15 times all the attempts. if i try after sometime it will work. the network bars will always be full. the same thing happens when i try to use 3g. I am still in stock rom. nothing much installed. shud i try a factory reset . please help guys.
Same Problem
I am facing similar issues, with network disappearing after every call for some time. Also data capabilities are greatly reduces compared to my previous phone, even though i am using the same network Airtel
adithya.scor said:
Hi Guys,
I have a major problem here. I got nexus 4 imported to india. I use it with airtel network one of the bests here.. previously i was using win 7.8 phone without any issues. Since the time i've started using nexus 4 my gf is complaining my phone will be not reachable most of the times.. once if she sends a msg she will be able to call. and the problem i myself have seen is like sometimes when i try to call a number right next second it gets disconnected and the phone vibrates, once i tired to call a number for 15 times all the attempts. if i try after sometime it will work. the network bars will always be full. the same thing happens when i try to use 3g. I am still in stock rom. nothing much installed. shud i try a factory reset . please help guys.
Click to expand...
Click to collapse
I am also facing same problem. Any idea what went wrong ?
saurabhmishra said:
I am facing similar issues, with network disappearing after every call for some time. Also data capabilities are greatly reduces compared to my previous phone, even though i am using the same network Airtel
Click to expand...
Click to collapse
In my case after 10-20 mins i will get a miss call. Looks so weird.
If somebody tried to call me most of the time they will get messages like i am not reachable. After 2-3 minutes i will get a miss call alert. And sometimes after 10-20 mins i will get a miss call.
My phone is Nexus 4, 4.4.2

Factory t-mobile S7e losing mobile network connectivity

so this is the second S7e and second SIM that I have been having this issue with. The phone will lose connection to the mobile network and the ONLY way to recover is to reboot phone. Reset Network Settings doesn't do anything. Toggle airplane mode doesn't do anything. Search for Network Operators doesn't do anything. I have a third phone on the way - but has anyone around here heard of or experienced similar? Am I missing something that I should be doing to correct this?
Thanks in advance
I too have this problem. Got a replacement refurbished phone under warranty and the phone has this problem
krishelnino said:
I too have this problem. Got a replacement refurbished phone under warranty and the phone has this problem
Click to expand...
Click to collapse
Did you pay the $20? I didnt want to pay the 20 so i sent the device to samsung. Should get it back friday or monday. The issue is definitely phone related. Im using a verizon s7 now and no issues like that arose. I even tried new sim.. My father is having same issue t-mobile s7 edge
Yes i had to pay 20. And it's disappointing I am having this issue with the replacement phone. I am having this problem on the U firmware as well.
Sent from my SM-G935U using Tapatalk
I've suffered the same issue from time-to-time and just do a restart....annoying as hell to be honest
Are you guys always in the same location when this is happening or is it just whenever and wherever? Or is it happening a one certain place where cell signal isn't that great? I had this same issue BUT only in my house so I had to get a network range extender from t-mobile to use at home.
This happens to me all the time. It's so annoying. At work, in the car, at home--it doesn't matter where I am. Have reset firmware multiple times and even rolled back once too. I think it has to do with the latest software because I never had this issue before the Fall/Winter. Hopefully Nougat fixes this!
Quickvic30 said:
Are you guys always in the same location when this is happening or is it just whenever and wherever? Or is it happening a one certain place where cell signal isn't that great? I had this same issue BUT only in my house so I had to get a network range extender from t-mobile to use at home.
Click to expand...
Click to collapse
I happens randomly in different places. For me i lose complete signal, and then only get back signal without data. I have to restart when this happens to get back data. Annoying as hell !
frappe33 said:
so this is the second S7e and second SIM that I have been having this issue with. The phone will lose connection to the mobile network and the ONLY way to recover is to reboot phone. Reset Network Settings doesn't do anything. Toggle airplane mode doesn't do anything. Search for Network Operators doesn't do anything. I have a third phone on the way - but has anyone around here heard of or experienced similar? Am I missing something that I should be doing to correct this?
Thanks in advance
Click to expand...
Click to collapse
I am having the same problem, this will be my 3rd phone 4th sim. I wish I knew how to fix it
I would try flashing different radios/modems, its worth a shot. Maybe try flashing the "U" firmware radios.
Nougat will fix it
My wife and I had the same issue on our tmobile s7 edge ... we got the 7.0 beta and now the issue is gone .... I bet it's radio and software related ... 7.0 will be out by the end of the month hope that helps...
I had this issue with my phone, and it was a huge pain. The biggest concern: I didn't know when my phone was off network (voice, data, etc.). The fix, for me, was simple: a new SIM card.
You may have an issue from a rejected permission on an app.
Had the same issue before but I did a hard reset and realised that I changed permissions on an app that wasn't written for 6.1.
ronstopable12 said:
My wife and I had the same issue on our tmobile s7 edge ... we got the 7.0 beta and now the issue is gone .... I bet it's radio and software related ... 7.0 will be out by the end of the month hope that helps...
Click to expand...
Click to collapse
I hope so! Been waiting for that before I try anything drastic, even though this issue is a huge pain in the ass. I'm glad others have come out of hiding to express their concerns with it as well. I thought I was the only one for the longest time having this issue.
---------- Post added at 02:20 PM ---------- Previous post was at 02:19 PM ----------
jimfun said:
I had this issue with my phone, and it was a huge pain. The biggest concern: I didn't know when my phone was off network (voice, data, etc.). The fix, for me, was simple: a new SIM card.
Click to expand...
Click to collapse
Many of us have tried new SIM cards, but it's worth a shot if it's still not working consistently after Nougat is released.
---------- Post added at 02:22 PM ---------- Previous post was at 02:20 PM ----------
geeserver said:
You may have an issue from a rejected permission on an app.
Had the same issue before but I did a hard reset and realised that I changed permissions on an app that wasn't written for 6.1.
Click to expand...
Click to collapse
My and my friend's phones are both running pure 100% OEM Tmo stock without any apps disabled or touched at all and we have this issue and have done multiple resets. Pretty sure it's an actual hardware defect, or hopefully just a software one with the modem/radio.
krishelnino said:
Yes i had to pay 20. And it's disappointing I am having this issue with the replacement phone. I am having this problem on the U firmware as well.
Sent from my SM-G935U using Tapatalk
Click to expand...
Click to collapse
I was thinking about going that route. But I wasnt sure what condition the phone would be. How was you condition?
I sent mine to samsung and the things they replaced is the Coaxle cable "antenna" replaced 3 of them. I have been using the s7 from verizon on the U firmware so havent seen if it is fixed.
4ringsa6 said:
I was thinking about going that route. But I wasnt sure what condition the phone would be. How was you condition?
I sent mine to samsung and the things they replaced is the Coaxle cable "antenna" replaced 3 of them. I have been using the s7 from verizon on the U firmware so havent seen if it is fixed.
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I received a refurb. Other than this problem, the phone is alright. I noticed this problem on receiving the phone it was running on T firmware. Then I switched to U firmware and radio but no difference. I called customer support yesterday, they said to go to a retail store to get the phone replaced. My worry is going through this process again and if I receive a bad device again what to do? After all refurb phones are like playing Russian roulette!
Sent from my SM-G935U using Tapatalk
I just had this start happening on mine... I really wish they would release nougat already. It is ridiculous they won't post an Odin flashable version of the release candidate if it does indeed fix the issue.
I also think its a specific tower configuration that is causing the issue that the radio can not understand. (Maybe 3xCA). Its happening in the same areas every time.
I just started having this problem in the past month. All at once I've been getting BT sometimes turning off, mobile networks failing to reconnect after I visit a no/low signal area (such as after a plane trip when the phone was in airplane mode). I've also seen wifi mode fight my attempts to turn it back on sometimes - toggling itself on and off a couple of times per second until I poke at enough settings to stop it. When BT turns itself off I have trouble turning it back on, sometimes it just goes back on, sometimes it refuses after a number of tries and if I wait an hour it goes back on just fine.
The folks at a BB Samsung kiosk said they could reflash it if I wanted to go that route, but that the nougat release would be out soon so it might be better to just wait for that. Has anyone had a Samsung rep re-image their phone to try to solve this?
flarbear said:
I just started having this problem in the past month. All at once I've been getting BT sometimes turning off, mobile networks failing to reconnect after I visit a no/low signal area (such as after a plane trip when the phone was in airplane mode). I've also seen wifi mode fight my attempts to turn it back on sometimes - toggling itself on and off a couple of times per second until I poke at enough settings to stop it. When BT turns itself off I have trouble turning it back on, sometimes it just goes back on, sometimes it refuses after a number of tries and if I wait an hour it goes back on just fine.
The folks at a BB Samsung kiosk said they could reflash it if I wanted to go that route, but that the nougat release would be out soon so it might be better to just wait for that. Has anyone had a Samsung rep re-image their phone to try to solve this?
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Click to collapse
If you were able to fix without a reboot you didn't have the same issue as this.
rocket31337 said:
If you were able to fix without a reboot you didn't have the same issue as this.
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Click to collapse
I guess I wasn't clear about that as I have several problems that are probably related, but behave a little differently.
BT dropping - can usually turn it back on, but sometimes it refuses. Usually don't need to reboot to fix this.
Wifi dropping - often have trouble turning it back on and have seen the widget toggle off and on repeatedly by itself. Sometimes have to reboot to fix that.
Mobile Network data (and voice sometimes) dropping - usually have to reboot. I think I may have recovered that once without a reboot, but the other few times it's happened in the past month since it started I have rebooted and that fixed it in all but one of the reboots - one time I rebooted and still had to fiddle with it a bit after the reboot before it came back. That may have been because I played too much with the network settings before the reboot and so had to undo that damage after the reboot. But, definitely rebooting is a fairly reliable step in fixing this problem.
All 3 started happening around the same time which is why I thought it was a software issue (I remember a small update a little over a month ago, but forget the details of it). It's nice to hear that others also have the mobile network problem, but if that is isolated in those cases then maybe I'm not seeing exactly the same problem. But, it is clear that rebooting is almost always required to get my mobile network data back so that again suggests that at least that part is the same as what this thread is discussing.
In looking at the T-Mobile updates page for the S7 Edge I see that the version I have (G935TUVU4APK1) was updated in early November - which tracks when I started having problems, and it includes a fix for "Domestic data roaming improvements", which definitely sounds like they may have played with the radios.
I am so ready for the Nougat update...

Galaxy S8 Call interruptions

I bought a new S8 in Greece, and in the first two 24 hours I had it, my interlocutors on the phone were complaining that during our call sometimes they could not hear me.
I went back to the store and the employee told me that he was aware of the problem (interruptions during calls) and that this even happened in his own S8. He said there was an issue because the device was from another EU country (mine was from Italy) and when it makes the OTA update something is happening. So they sent it to Samsung and after 1 week I got it back. They have made a ROM update.
I'm starting to setup it again, and in the beginning I am receiving a message that a SIM change was detected and I had the option of either continuing or resetting in the factory settings. I chose the 2nd (probably this was a mistake - I'm not sure if I actually "canceled" the update made by Samsung).
The point is that the problem has remained. I went back to the shop and they suggested to fully refund me, which I accepted.
I go to another shop and buy a new S8 device. I put SIM while being on the store, again the same problem! We test the employee's SIM, and it seems that in the call I have made, it worked ok.
So I believed it was my SIM that had a problem. I replace it, the problem continues. I am choosing a fixed type of network (eg 2G) and not automatic switching (3G / 4G etc) and the problem is somehow better, although again the interlocutors complain to me that they lose me while we speak.
I'm calling to an Authorized Samsung Service. They tell me they know the issue and that there has been a formal instruction from Samsung which says that a specific version of ROM needs to be installed to solve it.
Has this problem happened to anyone else?
kergaz said:
We test the employee's SIM, and it seems that in the call I have made, it worked ok.
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Click to collapse
Same carrier or different?
peachpuff said:
Same carrier or different?
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Click to collapse
Different carrier.
Well in Cyprus we had the same issue with call interruption but all seemed fixed on July`s update. Call was interrupted no voice or sound could get through the phone and a restart was nessescary to solve the issue. Is the phone updated to the latest firmware?
---------- Post added at 09:01 AM ---------- Previous post was at 08:59 AM ----------
Everytime I reproduced the problem wifi signal was the issue. So maybe that wifi hd call was or is the issue. Could be wrong though about your issue
tasked28m said:
Well in Cyprus we had the same issue with call interruption but all seemed fixed on July`s update. Call was interrupted no voice or sound could get through the phone and a restart was nessescary to solve the issue. Is the phone updated to the latest firmware?
---------- Post added at 09:01 AM ---------- Previous post was at 08:59 AM ----------
Everytime I reproduced the problem wifi signal was the issue. So maybe that wifi hd call was or is the issue. Could be wrong though about your issue
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Click to collapse
Hi, thanks for the reply.
Yes the phone is updated to the latest firmware. It seems to me that it's not exactly the same problem since although during voice calls the others tell me that they hear me with some interruptions, after the call the device operates normally (all sounds) and there is no need to restart...
I don't also think it is related somehow with the WiFi and in my device there was no option at all to enable wifi HD call...

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