[Q] Dual SIM Problem - Xiaomi Redmi 1S

Hello! I don't know if I'm the only one, but I have this problem. I use the first sim slot for data and the second sim form voice and messaging. From time to time (and I never know when it's happening), the data on the first sim stops working. It is on, but on the status bar I can't see anymore the "H" or "3g" icon, and the internet is not working. The single way to solve this is by rebooting or turning on and off the airplane mode. Also, the second sim goes on some sort if stand-by. That means when people call me, I don't get the call, and when I try to call, I can't (the fixes are the same as for the first sim). Also, I never know when this is happening. I know have CM11 (updated) but I've encountered this problem with all the ROMs. Even the official one. Is it a hardware or software problem? Does anybody have any idea how to fix this? Thank you in advance!

madalyn17 said:
Hello! I don't know if I'm the only one, but I have this problem. I use the first sim slot for data and the second sim form voice and messaging. From time to time (and I never know when it's happening), the data on the first sim stops working. It is on, but on the status bar I can't see anymore the "H" or "3g" icon, and the internet is not working. The single way to solve this is by rebooting or turning on and off the airplane mode. Also, the second sim goes on some sort if stand-by. That means when people call me, I don't get the call, and when I try to call, I can't (the fixes are the same as for the first sim). Also, I never know when this is happening. I know have CM11 (updated) but I've encountered this problem with all the ROMs. Even the official one. Is it a hardware or software problem? Does anybody have any idea how to fix this? Thank you in advance!
Click to expand...
Click to collapse
have you test using 1 sim only on 1st sim slot for data and voice call?
AFAIK 2nd sim slot only can use 2G, and 1st sim slot can use 3g or 3G

u_know_me said:
have you test using 1 sim only on 1st sim slot for data and voice call?
AFAIK 2nd sim slot only can use 2G, and 1st sim slot can use 3g or 3G
Click to expand...
Click to collapse
Yes, I tried using only 1 sim and there is no problem. The problem appears only when I'm using both sims. But what is good for a dual sim phone if I can't use it, right? That's one of the reasons I bought the phone.

madalyn17 said:
Yes, I tried using only 1 sim and there is no problem. The problem appears only when I'm using both sims. But what is good for a dual sim phone if I can't use it, right? That's one of the reasons I bought the phone.
Click to expand...
Click to collapse
are both sim from same provider? have you try dual sim with different provider?

u_know_me said:
are both sim from same provider? have you try dual sim with different provider?
Click to expand...
Click to collapse
No, the sims are not for the same provider. (One is Orange and the other is Digi). And as I said. Using any of them single doesn't cause any problem. But when I put them together in my phone, the problems start.

I thought I was the only one. This problem does exist on this phone! I experience it a lot on first sim. Net keeps going out a lot and I have to turn net off and on several times before it comes back. Using airtel and vodafone. I also think the phone goes out of coverage a lot cause after i started using this phone, people suddenly started sayign that am out of coverage

Same problem
---------- Post added at 12:44 PM ---------- Previous post was at 12:44 PM ----------
madalyn17 said:
Hello! I don't know if I'm the only one, but I have this problem. I use the first sim slot for data and the second sim form voice and messaging. From time to time (and I never know when it's happening), the data on the first sim stops working. It is on, but on the status bar I can't see anymore the "H" or "3g" icon, and the internet is not working. The single way to solve this is by rebooting or turning on and off the airplane mode. Also, the second sim goes on some sort if stand-by. That means when people call me, I don't get the call, and when I try to call, I can't (the fixes are the same as for the first sim). Also, I never know when this is happening. I know have CM11 (updated) but I've encountered this problem with all the ROMs. Even the official one. Is it a hardware or software problem? Does anybody have any idea how to fix this? Thank you in advance!
Click to expand...
Click to collapse
Same problem

madalyn17 said:
Hello! I don't know if I'm the only one, but I have this problem. I use the first sim slot for data and the second sim form voice and messaging. From time to time (and I never know when it's happening), the data on the first sim stops working. It is on, but on the status bar I can't see anymore the "H" or "3g" icon, and the internet is not working. The single way to solve this is by rebooting or turning on and off the airplane mode. Also, the second sim goes on some sort if stand-by. That means when people call me, I don't get the call, and when I try to call, I can't (the fixes are the same as for the first sim). Also, I never know when this is happening. I know have CM11 (updated) but I've encountered this problem with all the ROMs. Even the official one. Is it a hardware or software problem? Does anybody have any idea how to fix this? Thank you in advance!
Click to expand...
Click to collapse
And there I was, thinking that it was a hardware problem.. I started noticing this recently when all my friends started saying that i am 'Not reachable' ( On Airtel network :silly: )
Data issue is something we can keep aside, but not able to receive calls and place calls .. ??? Now that's a bummer..!! What's funny is that this issue occurs only if you use two SIMs.. On Single sim it works good. I have been trying to get a work around for this (Other than rebooting and airplane mode) .. Anybody has any input on this ??

*Sorry, I posted on the wrong thread..

I don't have an issue making/receiving calls on both sims on the old miui or custom roms. But I don't keep the data modem on all the time.
david_inuk said:
Same problem
---------- Post added at 12:44 PM ---------- Previous post was at 12:44 PM ----------
Same problem
Click to expand...
Click to collapse
Are you sure that your network coverage includes at least 2 available bands in the 2g-3g range?

rishr4 said:
And there I was, thinking that it was a hardware problem.. I started noticing this recently when all my friends started saying that i am 'Not reachable' ( On Airtel network :silly: )
Data issue is something we can keep aside, but not able to receive calls and place calls .. ??? Now that's a bummer..!! What's funny is that this issue occurs only if you use two SIMs.. On Single sim it works good. I have been trying to get a work around for this (Other than rebooting and airplane mode) .. Anybody has any input on this ??
Click to expand...
Click to collapse
I'm not sure about this, if you use cm11 maybe you can enable "Tuneaway" and set the "Priority Subscription" to sim1 or sim2 in the sim card settings..
Sent from my HM 1SW using Tapatalk

Ditto

Related

Randomly get no service

hi.please help i get randomly no service on htc one x
mr_jojoi said:
hi.please help i get randomly no service on htc one x
Click to expand...
Click to collapse
If you want help, you need to tell us more details, such as what software/firmware version you are using, network carrier, what actually happens when you get no service, if it's rooted, etc.
Basically, the more information, the better.
Anyways, I have that random no service with the Australian Optus network, even though it says on the phone that I have full bar reception. Sometimes it's just the network.
it's unrooted 1.28.707.10 sense 4
mr_jojoi said:
it's unrooted 1.28.707.10 sense 4
Click to expand...
Click to collapse
sure in the area you are your network are not having any issues? best thing to do is just give them a call and explain what your problem is. sensible thing to do really
Goku80 said:
sure in the area you are your network are not having any issues? best thing to do is just give them a call and explain what your problem is. sensible thing to do really
Click to expand...
Click to collapse
i did that they said network dont have any problem.hey i found that when i plug charger it get service and work perfect
same issue
I am having the same issue on my ATT One X. I am unrooted and every time I send a text message I will lose service and says message failure. I have contacted ATT and HTC and no one seems to know what the problem is.
guys im having this same issue
im on the tegra 3 one x
1.29 latest fw
i got to bed with signal and wake up to no service,
when i try to manually chose the network it says im not allowed?
i have to reboot/ or chose airplane mode and then put airplane off to get it to work
i normally have my network set to gsm only and theres good signal where i live
its happend twice at home, once when i was in a diff area where i suddenly got the enter pin code prompt
has anyone had luck wit this?
mayurh said:
guys im having this same issue
im on the tegra 3 one x
1.29 latest fw
i got to bed with signal and wake up to no service,
when i try to manually chose the network it says im not allowed?
i have to reboot/ or chose airplane mode and then put airplane off to get it to work
i normally have my network set to gsm only and theres good signal where i live
its happend twice at home, once when i was in a diff area where i suddenly got the enter pin code prompt
has anyone had luck wit this?
Click to expand...
Click to collapse
"Not allowed" suggests a SIM problem.
Either the SIM has gone bad and you need to request another one from your network, or the SIM connection on your handset is dodgy.
The SIM governs what you can and can't connect to. If it's not allowing you to choose a network then it's not reading the information from the SIM properly.
r2b2 said:
"Not allowed" suggests a SIM problem.
Either the SIM has gone bad and you need to request another one from your network, or the SIM connection on your handset is dodgy.
The SIM governs what you can and can't connect to. If it's not allowing you to choose a network then it's not reading the information from the SIM properly.
Click to expand...
Click to collapse
thanks
getting a new microsim and will see how it goes
maybe the groove made by my desire s is too deep
even with the new sim the problem persists
trying auto(network) mode now
1.29.401.12 and the newest 2.17 update have new radios i hear
maybe that will fix the problem,
thats my next step.wait for the ota
same thing
exactly the same issue
already changed SIM card and anntena
but nothing changes
i have sense 4+ (i thought the new update will fix this)

No network issue after repair

Hi there,
I recently sent my phone back to HTC because my volume button was stuck, which resulted in it not being able to boot (as it always went straight to recovery). They repaired it, and after three weeks without my phone I know received it back. They 'replaced parts and did a software update.'
Problem is, now I have no mobile network connection. The phone recognises the SIM fine, but no signal and search networks results in "Error while searching for networks."
I'm blaming the software update HTC did, so I send them another email. The thing is, I don't want to send it back AGAIN, I had the phone a full 2 weeks before it broke and haven't been able to use it since. Is there anything you guys can think of that doesn't involve rooting it and losing my warranty (which I will probably need now)?
Thanks a bunch
Hello,
have you tried to switch between the network mode; only WCDMA or only GSM? (Settings->Mobile Network->Network Mode)
Pundy said:
Hello,
have you tried to switch between the network mode; only WCDMA or only GSM? (Settings->Mobile Network->Network Mode)
Click to expand...
Click to collapse
Thanks for the reply. Yes I have, no effect. One other weird thing I have noticed since first posting: at the about -> Phone Identity screen, the phone number does not match my actual sim phone number. It reads the SIM fine though, as all my SIM contacts are available.
Could you use/try another SIM Card to check its work with a different one?
Is WiFi working? Any interruptions druing a regular call?
Pundy said:
Could you use/try another SIM Card to check its work with a different one?
Is WiFi working? Any interruptions druing a regular call?
Click to expand...
Click to collapse
Regular call is impossible, as I have no cellular network at all. Wifi works fine. I am currently unable to try another SIM, as I'd have to cut a microsim out of a regular one and people around don't want to have their card cut up.
The sim works fine in my old nokia though, so I don't think that's the issue.
I'll try to find a friend with an iPhone 4 to try their microsim, but I'm not really counting on it.

Phone and internet together?

I had been a 10-year iPhone user. And after the OnePlus 5T I'll never go back. But the one thing that isn't working for me is, is there a way for you to be on the phone and use the internet to schedule appointments or look something up while chatting? Is this an Android complication? I do have AT&T with gsm service. Same sim cards did allow that on iPhone. I've even tried speaking on sim 1 and use data on sim 2. Fingers crossed there is a way.??
Robbm3 said:
I had been a 10-year iPhone user. And after the OnePlus 5T I'll never go back. But the one thing that isn't working for me is, is there a way for you to be on the phone and use the internet to schedule appointments or look something up while chatting? Is this an Android complication? I do have AT&T with gsm service. Same sim cards did allow that on iPhone. I've even tried speaking on sim 1 and use data on sim 2. Fingers crossed there is a way.??
Click to expand...
Click to collapse
What do you mean? All you have to do is press the home button on the navigation bar while you're in a call, then open whatever app you want to use and use it. You can do anything you want while talking on the phone, all on the same sim. No need for 2 sims.
Skeptico said:
What do you mean? All you have to do is press the home button on the navigation bar while you're in a call, then open whatever app you want to use and use it. You can do anything you want while talking on the phone, all on the same sim. No need for 2 sims.
Click to expand...
Click to collapse
Hmm. Mine doesn't work that way. I get a not connected to internet message with full bars showing that it is available. Off the phone call the internet works again. ?
The OP5(T) is a DSDS phone. Dual Sim, Dual Standby.
Here is a link that explains the difference: http://gadgetguideonline.com/androi...m-android-phones-dual-standby-vs-dual-active/
Robbm3 said:
Hmm. Mine doesn't work that way. I get a not connected to internet message with full bars showing that it is available. Off the phone call the internet works again. ?
Click to expand...
Click to collapse
I only have 1 sim and it works fine for me. I've never used 2 sims before so I'm not sure why it wouldn't work with 2 sims.
Maybe try disabling one of the sims and then try it?
Robbm3 said:
I've even tried speaking on sim 1 and use data on sim 2.
Click to expand...
Click to collapse
That's precisely why it doesn't work. The OP5T is a DSDS device, meaning that only one SIM can connect at a time. So in call, SIM 1 uses the connection continuously, and SIM 2 is disabled. Try with only one SIM inserted for calls and data and you'll see that you can press home and do whatever you want just like you can with the iPhone
I think we have a misunderstanding here... the thread starter seems to complain about the fact that the internet is offline during a call. Unless the call is via VoLTE or Wifi calling, this is correct. When 3G or good old GSM are used, data services are being suspended. This should be the same with every other phone, including the iPhone.

data on 2nd sim on any custom ROM

I am facing data switching issue from my 1st sim(Jio) to 2nd sim (airtel) on any custom rom. previously i was in MIUI 8.7.26 and then after wiping system data and dalvik i flashed RR and AoSp. But in both the rom I'm facing this issue. Data on jio working fine but when switching it remains on jio. If I toggle airplane mode then for a second LTE data sign comes into the airtel then vanishes. No data on jio or airtel. Again if change data to jio data works and on changing to airtel it remains on jio.
Apn settings are ok for both the Sims. Data roaming and enhances 4g on for both the Sims.
I know it is not at all rom related issue. But I'm puzzled why this is happening? Can any one guide me?
exactly this. finally, someone having a similar problem. i was going bonkers thinking it was only me. i even made a video of it - https://www.youtube.com/watch?v=sgyNm1Czrks.
i am still looking into this. it happened on RR and LOS. I'll let you know if i find something.
nishant30 said:
exactly this. finally, someone having a similar problem. i was going bonkers thinking it was only me. i even made a video of it -
.
i am still looking into this. it happened on RR and LOS. I'll let you know if i find something.
Click to expand...
Click to collapse
Do try other custom roms also. Like aex and pixel experience also. I telegram somes are saying AEX and moner don't have this problem.
I saw your video. After toggling airplane mode your 2nd sim data (jio) works. But for me 2nd sim Airtel data comes for a second and vanishes.
There is a problem in the source of the LOS and AOSP may be.
I'm going to try one by one and let you know. You also try other Roms and let us know.
kakagi said:
Do try other custom roms also. Like aex and pixel experience also. I telegram somes are saying AEX and moner don't have this problem.
I saw your video. After toggling airplane mode your 2nd sim data (jio) works. But for me 2nd sim Airtel data comes for a second and vanishes.
There is a problem in the source of the LOS and AOSP may be.
I'm going to try one by one and let you know. You also try other Roms and let us know.
Click to expand...
Click to collapse
SURE. i am not so sure about this problem being in LOS itself. I say this because i was using non-official LOS since april and data switching was seamless. idk but this started only after i flashed official build. i'll try other roms, but as of now, this happens on RR & LOS. my data comes for a second and vanishes as well; i have to put it on airplane mode multiple times for it to work.
Hi ,i am on AeX to Switch ist no Problem ,but if i Take a call on Sim 1 - Sim 2 stops working Mobile Data until i end the call in Sim 1
jonny-lee said:
Hi ,i am on AeX to Switch ist no Problem ,but if i Take a call on Sim 1 - Sim 2 stops working Mobile Data until i end the call in Sim 1
Click to expand...
Click to collapse
I think it's same in miui too. If data is connected in sim 2 and you received or do call from sim 1 sim 2 data is disable for that moment. That's not a problem. It's like that.
Thank You , i dont know, miui runs short time by my Side .
I thougt it runs ?
I was having a similar issue on RR and AEX. On AEX I turned off Enhanced 4G LTE mode and then selected correct APN. The internet works on the second sim now. Hope this helps you.
Hey! I solved this issue. I Changed the apn name (jio internet to JioNet) and turned off enhanced lte. Data is switching seamlessly now.
Let me know of it works for you. Find the correct apn settings for your ISP.
well, looks like i jumped the gun here. disabling enhanced volte makes data switching instant, but i cant make/answer calls now. OP, if you find something, you let me know.
How to turn on 2nd sim data on Custom rom in RN5/Pro
Simple turn on 2nd sim data and turn off VoLTE in setting and see the magic your data it's working
bhimrdx said:
Simple turn on 2nd sim data and turn off VoLTE in setting and see the magic your data it's working
Click to expand...
Click to collapse
How to turn off volte
It has only option to disable enhance LTE. Currently I'm outside. Will try new Rom this weekend.
kakagi said:
How to turn off volte
It has only option to disable enhance LTE. Currently I'm outside. Will try new Rom this weekend.
Click to expand...
Click to collapse
Yes turn on your 2nd sim data after turn off enhance 4G LTE Mode because custom rom support Dual 4G VoLTE on same time, Not supported 1st 4G VoLTE and 2nd 4G Only try it
bhimrdx said:
Yes turn on your 2nd sim data after turn off enhance 4G LTE Mode because custom rom support Dual 4G VoLTE on same time, Not supported 1st 4G VoLTE and 2nd 4G Only try it
Click to expand...
Click to collapse
None of this happened in nonofficial Los that i had. Clearly, this is a bug in stable version.
nishant30 said:
None of this happened in nonofficial Los that i had. Clearly, this is a bug in stable version.
Click to expand...
Click to collapse
I know this is a bug but this bug present in all custom roms
bhimrdx said:
Yes turn on your 2nd sim data after turn off enhance 4G LTE Mode because custom rom support Dual 4G VoLTE on same time, Not supported 1st 4G VoLTE and 2nd 4G Only try it
Click to expand...
Click to collapse
My Airtel and Jio both are volte enabled sim. In miui both works fine with dual volte.
Custom ROM has bug in it. My previous phone was le max2. I faced the more or like same issue in custom ROM of it also too. If u switch data from 2nd sim to 1st sim data would not turn on. To get it working either you have to disable completely volte. Or u need to restart your phone. Tooling airplane mode will not do the work.
But for note 5 pro this trick is also not working for me. I feel that the source of most custom ROMs of note 5 pro has this type of bug that's why it's present in most or every ROM out there.
Untill and unless they correct it from source it's difficult to get the desire result.
I had a similar problem, I had 2 Sims(for calls and data) the data sim only activates once, I had to switch to airplane mode and then turn it back on. The issue existed when it was the only sim on the phone too. I tried the sim on a different phone, and it worked perfectly.
So the fix was in the APN, the APN protocol should be 'IPv4' as the default was IPv4/IPv6 (same goes to APN roaming protocol), once I adjusted them, data works fine now.
Using MIUI 9.5.19
Jevinruv said:
I had a similar problem, I had 2 Sims(for calls and data) the data sim only activates once, I had to switch to airplane mode and then turn it back on. The issue existed when it was the only sim on the phone too. I tried the sim on a different phone, and it worked perfectly.
So the fix was in the APN, the APN protocol should be 'IPv4' as the default was IPv4/IPv6 (same goes to APN roaming protocol), once I adjusted them, data works fine now.
Using MIUI 9.5.19
Click to expand...
Click to collapse
Strange I never faced anynissue regarding data switch in miui ROM. Even the data switch in dual volte works fine for me.
Anyways thanks for the suggestion in the changes in APN protocol.
Jevinruv said:
I had a similar problem, I had 2 Sims(for calls and data) the data sim only activates once, I had to switch to airplane mode and then turn it back on. The issue existed when it was the only sim on the phone too. I tried the sim on a different phone, and it worked perfectly.
So the fix was in the APN, the APN protocol should be 'IPv4' as the default was IPv4/IPv6 (same goes to APN roaming protocol), once I adjusted them, data works fine now.
Using MIUI 9.5.19
Click to expand...
Click to collapse
Tried this. Didn't work.
promiscuss said:
I was having a similar issue on RR and AEX. On AEX I turned off Enhanced 4G LTE mode and then selected correct APN. The internet works on the second sim now. Hope this helps you.
Click to expand...
Click to collapse
Hey thanks buddy ? but i can't use volte anymore ?

Occasionally unable to receive or make calls on XZ2c

Hi!
I am occasionally unable to receive or make calls on my XZ2c. Specifically, sometimes (say, every few days) people report to me I cannot be contacted although I am in a place where I have good reception. And, in such cases, if I try to make a phone call myself, I cannot. Even more specifically, the caller in these cases hears no ringing and no typical carrier voice message that my phone is off or that I cannot be contacted for the moment; while, when I try to call, nothing happens for a few seconds and then the phone app stops stops trying.
A restart always solves the problem.
Also, it may be the case - but I am not sure - that this happens after the phone has briefly lost reception (for example, in my office, because I exit the elevator, or in my home, as I have a blind spot in the courtyard). This seems to me to be the case based on a few observations but, again, I am not sure about it.
Otherwise, the phone works impeccably, but since I missed a few crucial calls recently this has started to bug me. (Needless to say, my two mostly retired phones, the XZ1c and the OG Pixel, do not have this problem when used in the same environments.)
Any suggestions, please?
I have the same issue - and reboot suddenly resolves it. I've tried to ask over Sony forums, but no reply yet. It bugs me also, but it would be quite hard to report it to Sony service center, as I cannot reproduce the issue myself. (although I think they are aware of the issue) It's a bit strange that my XZ2C has reception problems where my Z5C used to work...
landsome said:
Hi!
I am occasionally unable to receive or make calls on my XZ2c. Specifically, sometimes (say, every few days) people report to me I cannot be contacted although I am in a place where I have good reception. And, in such cases, if I try to make a phone call myself, I cannot. Even more specifically, the caller in these cases hears no ringing and no typical carrier voice message that my phone is off or that I cannot be contacted for the moment; while, when I try to call, nothing happens for a few seconds and then the phone app stops stops trying.
A restart always solves the problem.
Also, it may be the case - but I am not sure - that this happens after the phone has briefly lost reception (for example, in my office, because I exit the elevator, or in my home, as I have a blind spot in the courtyard). This seems to me to be the case based on a few observations but, again, I am not sure about it.
Otherwise, the phone works impeccably, but since I missed a few crucial calls recently this has started to bug me. (Needless to say, my two mostly retired phones, the XZ1c and the OG Pixel, do not have this problem when used in the same environments.)
Any suggestions, please?
Click to expand...
Click to collapse
It would help if you would report what carrier you guys are suffering the problem on and whether volte is enabled and if you have tried more toggle options of which networks to fall back on to make sure you receive calls, there is a way to manually set it to fall back all the way to GPRS 1.5 G manually haha my carrier supports that and i was once deep in the forest and still recieved a 1g call haha. It is not enough coverage on weak signal for 2g or edge calls.
In some cases inside big city where they ONLY have either LTE or WCDMA ON THE NETWORK, then YOU MUST either force it to use LTE only, or wcdma only. That way it does not jump back and forth and miss call. Some big cities i set it to lte only and even in basement or in skyscraper it is always full bars. So it just depends which tower types are in your home area.
ehBrY said:
It would help if you would report what carrier you guys are suffering the problem on and whether volte is enabled and if you have tried more toggle options of which networks to fall back on to make sure you receive calls, there is a way to manually set it to fall back all the way to GPRS 1.5 G manually haha my carrier supports that and i was once deep in the forest and still recieved a 1g call haha. It is not enough coverage on weak signal for 2g or edge calls.
In some cases inside big city where they ONLY have either LTE or WCDMA ON THE NETWORK, then YOU MUST either force it to use LTE only, or wcdma only. That way it does not jump back and forth and miss call. Some big cities i set it to lte only and even in basement or in skyscraper it is always full bars. So it just depends which tower types are in your home area.
Click to expand...
Click to collapse
It's Telenor Hungary, no VoLTE or other "magic" involved. There was a previous thread, which discussed the same issue. Actually I posted it to talk.sonymobile.com also, but please see the attached screenshot - it shows the actual issue. Telenor Hungary shows up as "emergency calls only", while Telekom HU and Vodafone HU seems to be fine. Sometimes switching airplane mode on/off solves the issue, sometimes it's a reboot which makes me able to make/receive calls again. But forcing 2g/3g/lte does not have an effect for me.
viktor1983 said:
It's Telenor Hungary, no VoLTE or other "magic" involved. There was a previous thread, which discussed the same issue. Actually I posted it to talk.sonymobile.com also, but please see the attached screenshot - it shows the actual issue. Telenor Hungary shows up as "emergency calls only", while Telekom HU and Vodafone HU seems to be fine. Sometimes switching airplane mode on/off solves the issue, sometimes it's a reboot which makes me able to make/receive calls again. But forcing 2g/3g/lte does not have an effect for me.
Click to expand...
Click to collapse
If this is the case, it is the SIM cards identification is not consistent to the network tower. Maybe the carrier has updated sim card version if you ask them. If it is emergency calls only logically its the network not authenticating your account based on sim card. It may be sensitive to the phone hardware. I have heard some people on other phone models hadd to ask carrier to provide even old version of their sim card instead of new ones. Try that.
ehBrY said:
If this is the case, it is the SIM cards identification is not consistent to the network tower. Maybe the carrier has updated sim card version if you ask them. If it is emergency calls only logically its the network not authenticating your account based on sim card. It may be sensitive to the phone hardware. I have heard some people on other phone models hadd to ask carrier to provide even old version of their sim card instead of new ones. Try that.
Click to expand...
Click to collapse
Thanks, I'll give it a try today and ask them to replace sim card. Hopefully it will solve the other appearance of this issue also: whenever I have full bars and talking (usually late night driving home to parents, in a well-covered area), audio quality degrades in seconds - at least on my side - and other party is not able hear anything I say. After disconnecting - if I'm able to do so, and phone app does not get stuck with "call disconnecting" message - I'm not able to make/receive new calls, as only the outline appears of signal strength bars. After restart everything works perfectly. Strange, isn't it?
viktor1983 said:
It's Telenor Hungary, no VoLTE or other "magic" involved.
Click to expand...
Click to collapse
Ironically - or maybe not - I am not that far away. I am on Orange Romania. When I search for networks I get essentially the same picture -
Thanks, I will try the SIM trick as well, maybe it helps. I may even go as far as jumping carriers, in fact.
ehBrY said:
If this is the case, it is the SIM cards identification is not consistent to the network tower. Maybe the carrier has updated sim card version if you ask them. If it is emergency calls only logically its the network not authenticating your account based on sim card. It may be sensitive to the phone hardware. I have heard some people on other phone models hadd to ask carrier to provide even old version of their sim card instead of new ones. Try that.
Click to expand...
Click to collapse
Got my sim card replaced, now waiting for the issue to pop up again. (or hopefully not) Actually the guy at carrier said my "white" simcard (about a year old) was a problematic one, replaced it with a new. I don't know if this could be true, but hopefully it'll solve the problem.
ehBrY said:
If this is the case, it is the SIM cards identification is not consistent to the network tower. Maybe the carrier has updated sim card version if you ask them. If it is emergency calls only logically its the network not authenticating your account based on sim card. It may be sensitive to the phone hardware. I have heard some people on other phone models hadd to ask carrier to provide even old version of their sim card instead of new ones. Try that.
Click to expand...
Click to collapse
It seems that replacing the sim card solved the issue, thanks for the hint! I would have never ever thought that a sim card issue may cause such a problem.
I have exactly the same issue and have already a new sim, which doesn´t do the trick for me....any other ideas how to solve this?
no VoLTE or anything like that. T-mobile as carrier
cryss83 said:
I have exactly the same issue and have already a new sim, which doesn´t do the trick for me....any other ideas how to solve this?
no VoLTE or anything like that. T-mobile as carrier
Click to expand...
Click to collapse
No longer have this problem with recent firmwares. The sim change did not solve the problem for me.
landsome said:
No longer have this problem with recent firmwares. The sim change did not solve the problem for me.
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Click to collapse
Thank you for the feedback.
With the recent firmware you mean 52.0.A.8.50 on android9? Do you use stock rom or a custom rom?
cryss83 said:
Thank you for the feedback.
With the recent firmware you mean 52.0.A.8.50 on android9? Do you use stock rom or a custom rom?
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Click to collapse
No, it's the past 4 or 5 firmwares.
cryss83 said:
Thank you for the feedback.
With the recent firmware you mean 52.0.A.8.50 on android9? Do you use stock rom or a custom rom?
Click to expand...
Click to collapse
What an irony! After updating to the latest fw some 2-3 days ago, it's happened again, the first time in some 4 months.
Nooo... I just got my replacement phone today and so i installed all the latest firmwares.... I still have high hopes i won't be affected again.
Has anyone any idea how many phones are affected this way... Can't be all of them otherwise there would have been a flood of threads about that.
Maybe some prior models of this series...
cryss83 said:
Nooo... I just got my replacement phone today and so i installed all the latest firmwares.... I still have high hopes i won't be affected again.
Has anyone any idea how many phones are affected this way... Can't be all of them otherwise there would have been a flood of threads about that.
Maybe some prior models of this series...
Click to expand...
Click to collapse
Did you test different firmware regions?
Maybe your mobile network provider and the baseband aren't compatible (bug).
And did you report Sony that the bug is in the newest firmware?
No i've just used the original settings since i am still in warranty time
But that's why i've asked before if the others were experiencing this issue only with their stock or even with custom roms / fw.
cryss83 said:
No i've just used the original settings since i am still in warranty time
But that's why i've asked before if the others were experiencing this issue only with their stock or even with custom roms / fw.
Click to expand...
Click to collapse
Changing regions doesn't need an unlocked bootloader.
MartinX3 said:
Changing regions doesn't need an unlocked bootloader.
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Click to collapse
For that, do you mean to change the settings in the play store or which settings are you referring to?
cryss83 said:
For that, do you mean to change the settings in the play store or which settings are you referring to?
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Click to collapse
Just use xperifirm and newflasher to apply a different region.
But remove the userdata.sin if you don't want a full wipe.

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