Xperia Xz2 Dual sim data connect problems on Pie 9.0 - Sony Xperia XZ2 Questions & Answers

Hi eveyone
I have my lovely Xperia Xz2 dual sim
I return to android 8 from android 9
Cause i have a lot of troubles on Pie version
First when connect trought data mobile i lost internet every in a while just restore restarting my phone same happend with wifi very unstable and some looks like is connevt to a red but simple dont grab any web or app restating is only solution again.
This just happend on Android 9, even try to make a clean update but error persist.
Second signal lower in Android 9 compare
To android 8 which a have plenty of signal
Now i have just 1 lousy bar.
Someone has the same problems on dual sim
Variant, and of he solve... how?
Hope can help
Thanks
Sorry for my terrible english

I can confirm it...after Pie update the signal situation is worse. Same sim when placed in another phone, shows very good signal, but in XZ2C just one or two bars....

Related

Xperia V signal antenna problems

Hi
I have problem with signal antenna since 2 weeks ago on my xperia v, I lose my signal antenna randomly, rebooting sometimes help but it is very annoying because I always missing important calls... I googled it and according this threads form sony mobile help center get this result at last: It seems the Xperia V JB 4.1.2 firmware find a new bug for signal antenna. Now, is there any one have the same problem here? I didn't solve my problem yet but I think we can talk about that and find out a ceaseless solution. Please let me know your experience and idea about this problem...
Thank you
i don't know for sure if my problem is related to your's but it's similar i think..
well my one sometimes can't get signal for some while after boot some times..
more frequently it says that the sim card is missing despite showing carrier name and proper signal sign..
i always have my problem solved just by entering airplane mode and out so it could reconnect to network.
It can be firmware bug too. airplane mode sometimes works for me but I have to reboot most of time. another experience or idea?
No idea or experience?
Network problem
I have a sony xperia v . I bought it last decembar but facing some problems. sometimes it does not get any network.I bought new sim card but problem remains the same. I restart my phone to get rid of it . sometime it helps some time not.
If you have any suggestion for me please reply. Thanks in advance
mjoyshuvo said:
I have a sony xperia v . I bought it last decembar but facing some problems. sometimes it does not get any network.I bought new sim card but problem remains the same. I restart my phone to get rid of it . sometime it helps some time not.
If you have any suggestion for me please reply. Thanks in advance
Click to expand...
Click to collapse
I know the post is old and others, but now I just got a V xperia LT25i.
In which I have had the problem of the radio signal, and it was as easy as that the signal cable inner radius, had broken [incomprehensible], since neither has shock or anything, and it was something sudden, as it has I been running well for a long time, in the hands of someone else ..
So anyone who may have this problem, remove the cover [are 6 or 7 screws], and on the right side check that the cable is good, and if change is broken, and if it's okay, then the problem is Software , rather than hardware ..
Thanks for your effort.

Xperia Z Network Problem

Hi,
I'm using Xperia Z c6603. I face a different type of problem. My phone shows all the signal bars yet I'm not able to recieve any phone calls or dial them. I replaced my sim card, yet tit didnt help. Can you guys help me out. I have also flashed my phone.
CyrilThomas92 said:
Hi,
I'm using Xperia Z c6603. I face a different type of problem. My phone shows all the signal bars yet I'm not able to recieve any phone calls or dial them. I replaced my sim card, yet tit didnt help. Can you guys help me out. I have also flashed my phone.
Click to expand...
Click to collapse
Flash full stock ftf and try again
I tried but it didn't help. Any other suggestions
guys please help me out with this, it is very irritating
Try to keep your phone in 2g only mode. When i keep 3g only only mode i sometimes can't receive call from other party. But 2g only mode solved my problem....
Sent from my C6602 using xda app-developers app
How do I shift it to 2g mode?
menu->settings->more..->cellular network->network mode-> Only GSM
PS. type: *#*#4636#*#* and check in "phone info"
signal strength
GSM service(if enabled)
In old galaxy spica I had similar problem and I had disabled GSM(dunno why) and after second full flash of fresh stock ROM It was working again.
its not helping
I tried everything possible.
So maybe we start from beginning...
Few quick question before we can help you:
1. When those problem started?
2. After what? did you flash custom rom or Kernel ?
3. You had any app/script that could modify your phone?
4. You had ANY hardware problem before?
5. Your phone fall to the ground?
6. Did it have any contact with water?
7. What system do you have now.
8. did you check sim slot?
9. do you have signal strength in this menu that i post earlier?
1. This problem started a month back
2. It all started suddenly, I am on the stock rom without root
3. No I dont have any app that can modify my phone
4. Yes I had a faulty battery problem which was fixed
5. NYes once it had but it was a long time back before the problem started.
6. No it did not have contact with water
7 I use the stock android 4.4.4 kitkat
8 Yes I have checked my sim card slot, I have also replaced my sim a couple of times
9. Yes I have signal strength -79dbm and 25 asu
My sim works well with my other phones. Is it a hardware issue?
I think Im getting a clear view of the problem, my phone isnt able to shift from 3g to 2g I guess. I came to this place where only 2g works, I had my network mode setting as Wcdma(preffered)/gsm, its reluctant to shift. Is it a hardware problem?
Hmm.... If you have signal and phone see network its not hardware problem. To be honest its more like system or more specific kernel problem in 4.4.4 I say this because you ares sixth person who i know that have network problem in 4.4.4
For examle after flashing kk on my phone i have looooooots of reboots if i have 3g network on, and my phone swith to 2g if its in sleep mode.
My friend also have problem similar to yours but it cant use phone function if its have LTE enabled.
Best part is that when he flashed 4.3 problem is still there, but he didnt had it before when he had 4.3
I cant flash any other system now(i use phone too often )so i dont know if i also would had this problem...
So if you can, you could flash even 4.2/4.3 full clean rom and check, just to be sure. Its a bit "extream" downgrade but flashing it and checking its max 1h...
Probably like always its small weird bug or specific system setting problem, maybe different region rom...
So for now you could check other rom, even branded and downgrade to your old 4.3 to see if you still have such problem.
Seriously its a relif that its not a hardware problem yet.
I also flashed the lower version of the kernel. I am facing the same problem . I use the local region ROM only,
I think Im gonna give up on sony now
Hi there
You are not alone, I am also facing this issue and do not know how to resolve it too.
Sometimes when I try to call (full bars on) it makes a bipbip then Call not possible...
Same issue while switching from GSM to H... Most of the time I have to reboot and let it settle for a while.
I am suspecting my network provider
Sent from my C6603 using XDA Free mobile app
I called up the service provider, it seem to get fixed for a day but again the same problem continues
I'm tired of this, the phone guys can't do anything and neither can the service providers
Such an irritating bug by sony
Did anyone get a solution to this problem?
This is very annoying
Same problem,posible solution temporary.
I'm in spain,having a virtual operator sim called ono,is using vodafone infrastructure.Is needed to have roamin allways activated for data and call to work properly.When stucks to connect,i put in flight mode 1min.With orange sim no problems.With ono sim in a windows phone i had no problem.Now i demanded a sim 4g,will see if are changes.
Woahh happend to me as well , but it happend after turning on mobile data in 15 minutes my network stopped .
silviuilie said:
I'm in spain,having a virtual operator sim called ono,is using vodafone infrastructure.Is needed to have roamin allways activated for data and call to work properly.When stucks to connect,i put in flight mode 1min.With orange sim no problems.With ono sim in a windows phone i had no problem.Now i demanded a sim 4g,will see if are changes.
Click to expand...
Click to collapse
Did it help you??

Weird Nokia 8 sim-problem.

Sorry if this kind of problem has come up before, but I couldn't find anything similar to this so I decided to ask you guys if you have seen this before.
So, my problem started out of nowhere, my Nokia 8 (TA-1004) lost wifi and mobile data. I can't connect to wifi anymore and I have no service.
So here comes the weird part. My sim works in every other phone I've tested it, it just doesn't work in mine, AND every other sim card I've tested in my phone
works fine. My sim also blocks my wifi somehow, if it's inserted, it keeps turning off my phone's wifi, no matter how many times I keep turning it on. If I take
sim out, wifi works fine.
I forgot to mention that when this first occurred, I managed to get it work by turning on my phone with my brother's sim inserted, then switching his sim to mine without turning the phone off.
If I turned it off, the problem came back. Now, after Oreo 8.1 update and new sim-card, even this method doesn't work. Nothing has worked since.
Here's what I've done:
-Got new sim-card
-Factory reset through settings
-Wipe data/factory reset through recovery
-I called my operator, they didn't know what the problem is. They recommended to send my phone to manufacturer, but I hope it doesn't come to that. And maybe they
would try their sims in my phone and they would think there is no problem so no need to do anything.
Any help is highly appreciated, thanks
This is very strange problem. Only thing that comes to my mind as a solution is choosing the network by yourself
Sent from my TA-1012 using XDA Labs
I can't change any mobile network settings, because my sim card is detected only for a few seconds and then it's not, so it keeps turning it on and off.
Now I've tried my phone with two sim cards, my brother's (which worked fine on its own) and mine, and turns out that with my sim the other sim doesn't work either.
Same problem here...
every sim card works on the nokia 8 except the one that needs to work...
every other telephone works fine with said sim...
It is a complete new phone so we never tried it with an earlier version than android 8.1
Same problem here, I'm not sure if I downgrade the phone to 7.1 will it work again
Hello,
I have quite similar problem with my phone apart the fact that it was working perfectly with data until I receive Android Oreo 8.1 update (security update 1st Mai 2018). Since this upgrade data doesn't work with my SIM into Slot 1.
When I use the same SIM into slot 2 (hybrid slot that normally contains my memory card) then Data is back.
Do you have the same on your phone?
PS : I've contacted Nokia and their answer is : We have a lot of users reporting this, we are working on it.... I'm miss my old samsung S5....at least the updates were tested before release.
Nokia hotspot failed
I have the similar problem as I've changed the service provider. The new service has 50GB data volume. When turned the hotspot on for wifi sharing with my family, this function did not work but it was showing other devices had connected to the Nokia 8 but unable to use the wifi sharing. Therefore, I inserted the new 50GB sim to my daughter's iPhone 6 and it was running well when turned the iPhone 6 hotspot on. i.e. the sim card got nothing wrong. I did ask Nokia support and they did not find any issues on my Nokia 8. I reckon that must be the phone software / firmware problem as I could share the wifi for my family before I switched to the new service provider. Hope Nokia fix up this issue when they launch the new update. I feel depressed on this brand. I'd been using iPhones & Google Nexus 5 were running perfectly except Nokia.
Nokia 8 SIM card and WiFi not found
Hi,
I am having an extreme problem with my Nokia 8 Model TA 1012
My Sim Card is not detecting as well as WiFi. I have done Network reset and Factory reset too. My SIM card is working in other mobiles so SIM card has no any issue. I have tried with other SIM cards too.
So guys, any solution??
It has a solution ?
Hi. I have the same problem.
What was the solution?
Thank you.
It has a solution ?
Hi. I have the same problem.
What was the solution?
Thank you.
jonesvn said:
Sorry if this kind of problem has come up before, but I couldn't find anything similar to this so I decided to ask you guys if you have seen this before.
So, my problem started out of nowhere, my Nokia 8 (TA-1004) lost wifi and mobile data. I can't connect to wifi anymore and I have no service.
So here comes the weird part. My sim works in every other phone I've tested it, it just doesn't work in mine, AND every other sim card I've tested in my phone
works fine. My sim also blocks my wifi somehow, if it's inserted, it keeps turning off my phone's wifi, no matter how many times I keep turning it on. If I take
sim out, wifi works fine.
I forgot to mention that when this first occurred, I managed to get it work by turning on my phone with my brother's sim inserted, then switching his sim to mine without turning the phone off.
If I turned it off, the problem came back. Now, after Oreo 8.1 update and new sim-card, even this method doesn't work. Nothing has worked since.
Here's what I've done:
-Got new sim-card
-Factory reset through settings
-Wipe data/factory reset through recovery
-I called my operator, they didn't know what the problem is. They recommended to send my phone to manufacturer, but I hope it doesn't come to that. And maybe they
would try their sims in my phone and they would think there is no problem so no need to do anything.
Any help is highly appreciated, thanks
Click to expand...
Click to collapse
---------- Post added at 06:35 AM ---------- Previous post was at 06:32 AM ----------
Hi.
I am very sad
I have the same problem.
What was the solution?
Thank you.
Hey there,
I'm having the cellular connection dropping out 80% of the time and then coming back on randomly 20% of the time since the latest beta update (build 00WW_5_110_SP01).
I asked to revert back to the latest stable build OTA several days ago and still no notification.
Nokia 8 sim and wifi not working hang on settings imei missing baseband missing
jonesvn said:
Sorry if this kind of problem has come up before, but I couldn't find anything similar to this so I decided to ask you guys if you have seen this before.
So, my problem started out of nowhere, my Nokia 8 (TA-1004) lost wifi and mobile data. I can't connect to wifi anymore and I have no service.
So here comes the weird part. My sim works in every other phone I've tested it, it just doesn't work in mine, AND every other sim card I've tested in my phone
works fine. My sim also blocks my wifi somehow, if it's inserted, it keeps turning off my phone's wifi, no matter how many times I keep turning it on. If I take
sim out, wifi works fine.
I forgot to mention that when this first occurred, I managed to get it work by turning on my phone with my brother's sim inserted, then switching his sim to mine without turning the phone off.
If I turned it off, the problem came back. Now, after Oreo 8.1 update and new sim-card, even this method doesn't work. Nothing has worked since.
Here's what I've done:
-Got new sim-card
-Factory reset through settings
-Wipe data/factory reset through recovery
-I called my operator, they didn't know what the problem is. They recommended to send my phone to manufacturer, but I hope it doesn't come to that. And maybe they
would try their sims in my phone and they would think there is no problem so no need to do anything.
Any help is highly appreciated, thanks
Click to expand...
Click to collapse
I have same problem in my nokia 8 if anyone found solution please help. If i found solution i will help you.
jonesvn said:
Sorry if this kind of problem has come up before, but I couldn't find anything similar to this so I decided to ask you guys if you have seen this before.
So, my problem started out of nowhere, my Nokia 8 (TA-1004) lost wifi and mobile data. I can't connect to wifi anymore and I have no service.
So here comes the weird part. My sim works in every other phone I've tested it, it just doesn't work in mine, AND every other sim card I've tested in my phone
works fine. My sim also blocks my wifi somehow, if it's inserted, it keeps turning off my phone's wifi, no matter how many times I keep turning it on. If I take
sim out, wifi works fine.
I forgot to mention that when this first occurred, I managed to get it work by turning on my phone with my brother's sim inserted, then switching his sim to mine without turning the phone off.
If I turned it off, the problem came back. Now, after Oreo 8.1 update and new sim-card, even this method doesn't work. Nothing has worked since.
Here's what I've done:
-Got new sim-card
-Factory reset through settings
-Wipe data/factory reset through recovery
-I called my operator, they didn't know what the problem is. They recommended to send my phone to manufacturer, but I hope it doesn't come to that. And maybe they
would try their sims in my phone and they would think there is no problem so no need to do anything.
Any help is highly appreciated, thanks
Click to expand...
Click to collapse
I have same problem TA-1004 its wifi and sim not working also some time show TA-1012 if i restart its show again TA-1004.
I tried all but nothing worked
8.1 to 9.0 updated not solved
Downgrade 9.0 to 8.1 not solved
Also downgraded on 7.0 problem still same
Bootloader unlock magsik installed twrp intalled, flashed with OST both versions 6.0.4&6.1.2
problem not solved
All packages(9.0pie,8.1oreo,7.1nouget) i flashed problem not solved becuse update package is 1.6gb size its not complete firmware.
I found complete firmware on firmwarex. Com
7.1 size 2.8GB its complete firmware package but problem is its flashable only in EDL mode with QFile tool.
Nokia 8 edl mode i not found on google test point or any method for reboot into EDL (hsusb qloader 9008)
I tried fastboot reboot-edl, adb reboot edl, boot partition delete with twrp but phone not boot into edl.
Please any have solution for nokia 8 reboot into edl please help.
Its last solution boot into edl and flash full firmware
If problem not solved after flash. Thats mein its related to hardware
I am facing the same problem... any solution?
My mother have been plagued by this as well no 2g, 3g or 4G/LTE connection, my sim-card works great. Her own doesn't, although it does in my phone. Have any of you solved this?

Mi 9 network/wifi stability issue

Hello everyone,
I just got my phone back from after sales service due to my phone been softbricked (black screen, device not charging when plugged, ...) and by phone can boot now but it's bugging as soon as i put a SIM CARD in it.
When putting the SIM CAR in, phone is loosing wifi connection every 60 seconds (approximately) even right beside the router, and for the network, i'm stuck in EDGE and no signal stability either.
It's the same SIM CARD that was in before i sent it for repair, so the issue should not come from it (and it's working fine on my old Mi5)
One change they did is that they've updated the rom to the last MIUI 12 EEA stable rom, it was still on MIUI 11 global when i've sent it.
I've already wiped it and installed again the last update but it didn't work.
I was wondering if the issue was not coming from the EEA rom instead of the global rom, but i'm unable to install it since i don't have a computer anymore that i can use for xiaomitoolV2 and since it's still under warranty i would like to avoid unlocking it.
Is this kind of issue known ? could it be only software issue ?
Thank you for your help.
I didn't install any specific app that could have modified the settings and no specific app or setup is usually required with my network provider.
vincentp82 said:
Hello everyone,
I just got my phone back from after sales service due to my phone been softbricked (black screen, device not charging when plugged, ...) and by phone can boot now but it's bugging as soon as i put a SIM CARD in it.
When putting the SIM CAR in, phone is loosing wifi connection every 60 seconds (approximately) even right beside the router, and for the network, i'm stuck in EDGE and no signal stability either.
It's the same SIM CARD that was in before i sent it for repair, so the issue should not come from it (and it's working fine on my old Mi5)
One change they did is that they've updated the rom to the last MIUI 12 EEA stable rom, it was still on MIUI 11 global when i've sent it.
I've already wiped it and installed again the last update but it didn't work.
I was wondering if the issue was not coming from the EEA rom instead of the global rom, but i'm unable to install it since i don't have a computer anymore that i can use for xiaomitoolV2 and since it's still under warranty i would like to avoid unlocking it.
Is this kind of issue known ? could it be only software issue ?
Thank you for your help.
Click to expand...
Click to collapse
More than likely it's going to be software issues. Did you already any apps top modify system settings?

Question S21 Ultra Exynos /Germany/ Network drops after Android 12

Anyone else with network problems in some areas after Android 12? . In certain areas I my network drops, sometimes show me a good strength but when a call someone he answer and we can't hear each other. For calls works when he wants. Tried everything including Hard reset, Network reset, Clear cache, switching 5g/4g/3g/2g fresh install of official Samsung Rom via ODIN. Also did optimisation applications and nothing helps. I'm using s21 ultra, Exynos.I used my old iPhone Xs two days and works without any network issues. I go yesterday to my seller ( Saturn - A big technology shop) and they refuse to take me phone for repair/return because "They own the model too, they change the SIM card operator and nothing helps and it's a problem from this model, so they can't do anything" Can someone give me advice or some tips to try? I'm using the latest January update and can't go back to Android 11 rom because of new bootloader software...
I have it too. I have a good signal in big cities, but the village is a disaster. My past xiaomi was a good signal
ZPetrov said:
Anyone else with network problems in some areas after Android 12? . In certain areas I my network drops, sometimes show me a good strength but when a call someone he answer and we can't hear each other. For calls works when he wants. Tried everything including Hard reset, Network reset, Clear cache, switching 5g/4g/3g/2g fresh install of official Samsung Rom via ODIN. Also did optimisation applications and nothing helps. I'm using s21 ultra, Exynos.I used my old iPhone Xs two days and works without any network issues. I go yesterday to my seller ( Saturn - A big technology shop) and they refuse to take me phone for repair/return because "They own the model too, they change the SIM card operator and nothing helps and it's a problem from this model, so they can't do anything" Can someone give me advice or some tips to try? I'm using the latest January update and can't go back to Android 11 rom because of new bootloader software...
Click to expand...
Click to collapse
I think that's how Samsung phones have it. I compared it to an older Samsug and it was exactly the same
Ive got issues after installing BULF. It seems samsung messed up some security patch somewhere. Certain websites will not load on 5G or 4G+ Data, while it works on wifi and on tether to other devices. Funny thing is, if I switch it to 3G data, site loads fine.... Tried my sim on Note 10+ 5g running A11...Sites load & Works perfectly. Ive even factory reset to no avail, thinking it was some kind of glitch or somthing...
I have this in Ireland as well. Didn't have the phone on android 11 for long but the network signal now on 12 is definitely not good. Actual phone signal is bad not to mind 4g/5g. Any fixes?

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