Sony XZ3 not connecting to network - help - Sony Xperia XZ3 Questions & Answers

I have a Sony XZ3 which was bought second hand 18 months ago. It's worked fine until about 1 month ago when it didn't get good signal or data anymore.
I am in the UK and use a giffgaff sim which runs on the o2 network. I found after some investigation that the phone for some reason was now connected to The Virgin network and I can't get it off.
Giffgaff have not been able to help, they said the phone is now locked to Virgin, Virgin said the phone is not locked but they did confirm that when it was bought new it was from them. Checking the handset it actually does say unlocked.
Have done a sim swap - the sim works fine, it's the phone that's the problem. It does the same with a different giffgaff sim in it.
Have reset network but it doesn't work and just defaults back to Virgin again. Have done factory reset 3 times but again just defaults back to Virgin every time. It says all other networks unavailable.
Can someone help please with what to do next?
Is there some kind of hard reset which will wipe everything including whatever is causing it to be switching to Virgin all the time? Or some way to override it?
It still shows no signal most of the time even though it says it's on Virgin
Thank you.

Hi everyone. I have the same problem. Since some weeks ago my phone doesn't recognize any network, not wifi or mobile and the it reset alone. I was told that it might be a software problem. I have already done factory reset and software repair from xperia companion but the problem persists.
I don't know if any of you knows if this is a hardware problem. But also I was trying to install a custom rom for android 11 to see if the problem is solved, but I can't unlock the bootloader either. I followed Sony official instructions to do this but for some reason Windows 10 doesn't recognize the phone after I turn it off and the press and hold the volume up button while connecting the phone to the PC with the usb cable. The drivers are installed but in the device manager it appears with a code 10 saying that the device might not be able to be recognize.
I have already checked if I can unlock the bootloader and it says yes.
Thank you very much.

Related

Cant find Network on Kaiser

Hi, I have noticed that a few have already complained about this issue
I'll tell you what happened to me:
I went on holiday from Israel to Jordan for 2 days.
My Kaiser did not roam as my sim wasn't open for Intl. Roaming so it couldn't find a network.
Also I did not charge it so the Battery went dead.
Following that two days I got home gave my Kaiser a full charge and could not get the network back.
I have done many Soft resets, 2 hard resets & spoken to HTC Help Desk.
The only thing HTC could tell me was to send the Kaiser to the UK for repair as they have not heard of this issue before.
Obviously I do not want to send it as I am sure it's not hardware but something else only.
My Kaiser was perched in the US (made in GB)
Network is Cellcom , which by the way I have tried other Sims in me Kaiser since this happened but with no success.
This issue is very frustrating as I feel helpless regarding this issue & I don’t know what to do
If any one has an idea ………….Thanks
Andre'
saper747 said:
This issue is very frustrating as I feel helpless regarding this issue & I don’t know what to do
If any one has an idea ………….Thanks
Andre'
Click to expand...
Click to collapse
First, try just removing the SIM card, then re-inserting it to see if the phone reconfigures itself. You may have to do a power on without sim card, before you re-insert it.
If that fails, do a hard reset so it goes back to factory default settings, then the inserted SIM card should set up the phone settings properly.
G.
Thank, but like I said before……
I have done 2 hard resets tried every way of rebooting with sim / without sim
Nothing works !
Thank, but like I said before……
I have done 2 hard resets tried every way of rebooting with sim / without sim
Nothing works !
hello saper747:
mine switched to flight mode and swap back,it cant find network any more,too,no matter hard-reset or flashing rom,its still.........
looks like we got the same problem, is yours telling "no sevice"? just a "!" on the service icon,right?
Sheng
I think this MIGHT be a bug/issue
I had this last week for almost 4 hours. I dont think the network was down but if it was then T-mobile did not state anything anywhere
I had reception all day and then suddenly around 5:30pm, I lost it and did not get it back until late evening
woohyuksheng said:
hello saper747:
mine switched to flight mode and swap back,it cant find network any more,too,no matter hard-reset or flashing rom,its still.........
looks like we got the same problem, is yours telling "no sevice"? just a "!" on the service icon,right?
Sheng
Click to expand...
Click to collapse
Hi , yes its the same problem
It shows the networks arround but it can't register to them only the !.. icon
This has nothing to do with the network carier as the sim works in all my other phones .
Hi i was wondering if anyone has a solution yet ?
woohyuksheng said:
hello saper747:
mine switched to flight mode and swap back,it cant find network any more,too,no matter hard-reset or flashing rom,its still.........
looks like we got the same problem, is yours telling "no sevice"? just a "!" on the service icon,right?
Sheng
Click to expand...
Click to collapse
I have THE SAME situation. I believe this is the bug which MUST be solved by HTC! Or at least by someone. I still haven't found the solution. Have anybody done??
Has anyone tried what happens when 3G is disabled (GSM mode)?
I'm having the same problem for the last couple of days in the UK with Orange, but when I switch to GSM (Settings->Personal->Phone->Band->Network Type = GSM) it works fine.
alt236 said:
Has anyone tried what happens when 3G is disabled (GSM mode)?
I'm having the same problem for the last couple of days in the UK with Orange, but when I switch to GSM (Settings->Personal->Phone->Band->Network Type = GSM) it works fine.
Click to expand...
Click to collapse
I tried to do that - no result. I have made hard reset - no result. I have dowloaded update WM6.1 from offical site HTC and installed it - no result.
Also, during two days, I calculated at least 20 persons who had this problem around the world. I can not believe that nobody researched this problem yet!
Me 2
I am also suffering from same issue.
My kaiser drop network at around 5PM till 1 hr approx, it hapeend for a week almost then I update radio then it was working ok, but still its not permanent solution.
Now a days my kaiser leaves network anytime and then it will not connect how hard u try, reset, hard boot, flash anything and after sometime suddenly it works.... magic.
I check sim with other phones its working gr8. but with this phone network gives trouble, I dont have 3G here in India, so its running on GSM.
Please somebody find solution, I'll post if I get any solution.
Thanks,
Dilip
Did you try with manual selection of mobile network (start->Settings->Personal->Phone->Band->Network)?
i did the network setting and put it as GSM and it works like a champ
BUT
i lost the 3G capabilities. One of the reason i purchase Kaiser is because the 3G capability.
using other Kaiser will give me a full 3G capabilities so i start wondering whether this is a hardware issue or software

Sim Card Missing / Fried Sim

Okey so ive had my diamond for 3 weeks and have had this issue. The device worked fine for 2 weeks except for this problem that it keeps dropping the connection and just says "no service" but when i disable and re-enable the phone radio i get full signal. However one time the device froze and i had to soft reset. After which it said the "sim card is missing, you can make emergency calls if your service provider supports it" when the sim card was in the phone. I tried resets and cleaning the sim all to no avail. So after not being able to find anyone else with this problem i figured it must be my old 2g sim that had been causing the problems so i went and purchased a new 3g sim from my service provider (mobilezone [switzerland]) and inserted it into the device. Everything starts working again and i figure the problem is fixed. However the phone continues to drop the signal again and again over the next few days and finally kills the sim card again, and displays the same "sim missing..." error. So i have now taken it back to the retailer and they say there seems to be no issue with the device as the technichen inserts a new sim and everything works fine. The thing is that the sim cards are completely broken. They no longer work in any device!!! But it took 2 weeks the first time and 3 days the second, so the technicians agreed to test the device for a couple days, im just sure its gna work fine for that amount of time but screw up again after when i use it again. Can anyone provide any insight into this? I speculate that its perhaps an issue with my service provider since they do not have their own network but use orange (switzerland) with their custom network settings, and when configuring the device the WM6 connection wizard only has 3 options and my provider is not listed, so i use the orange config settings, which i thought may be slightly different and cause problems. Ideas?!?!?
Thanks in advance.
Sam
Please, distribute some of these across your text: ,,,,,,,,,,,,,,,,,,,,,,¶¶¶¶¶¶¶¶¶¶¶
If it helps, I had to have a new sim to use it in my new phone (not the diamond, a nokia) because it didn't work properly, as it was a relatively old sim.
Hi did you ever get your sim problem sorted, have been experiencing same,
except my sim still work on other phones?

Sim card disconnected from network HELP!

I updated to marshmallow 6.0.1 a few days ago and the phone was perfectly fine. Just yesterday I factory reset the phone because I've read online the battery is better after that so I did it and restore my data with smart switch after. The sim card was working last night. I fully charged the phone and unplugged it and left it there until morning. When I woke up i noticed that the phone is stuck in emergency calls only. So i just waited the whole day for it to reconnect it self because this happens when i lose service (i rarely do at home but sometimes). Till now I still cannot connect to a network. I tried rebooting, resetting the network settings and selecting the available network providers from the phone search. after doing the search it did not include my own carrier (mobilicity). I am in Canada and the phone is the Canadian variant. The phone search showed telus, bell and wind and cdn roaming. I reinserted the sim card no luck. I can try to factory reset but I doubt it would work. Any one can help me out????
BTW the phone is UNROOTED no mods or anything done to it.
Ohhdayumm said:
I updated to marshmallow 6.0.1 a few days ago and the phone was perfectly fine. Just yesterday I factory reset the phone because I've read online the battery is better after that so I did it and restore my data with smart switch after. The sim card was working last night. I fully charged the phone and unplugged it and left it there until morning. When I woke up i noticed that the phone is stuck in emergency calls only. So i just waited the whole day for it to reconnect it self because this happens when i lose service (i rarely do at home but sometimes). Till now I still cannot connect to a network. I tried rebooting, resetting the network settings and selecting the available network providers from the phone search. after doing the search it did not include my own carrier (mobilicity). I am in Canada and the phone is the Canadian variant. The phone search showed telus, bell and wind and cdn roaming. I reinserted the sim card no luck. I can try to factory reset but I doubt it would work. Any one can help me out????
BTW the phone is UNROOTED no mods or anything done to it.
Click to expand...
Click to collapse
u did all possible solution before factory reset
unfortunately u should do it But do it with Kies
perform firmware repair
:good:
Geeks Empire said:
u did all possible solution before factory reset
unfortunately u should do it But do it with Kies
perform firmware repair
:good:
Click to expand...
Click to collapse
I did some research I think there's something wrong with my Sim card as I can't scan my network through the manual scan. So I'm gonna replace it tomorrow and see if that fixes it. If not then I may just switch to another phone.
Sent from my SM-N920W8 using XDA-Developers mobile app

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?

Samsung S20 Not Registered on Network (Please help)

Hi Everyone
I purchased a second hand s20 6 months ago and i am no longer getting any network carrier coverage.
I took my phone to local mobile repair shop and they identified that my base software was South Korean for some reason so they factory reinstalled Android 12 with UK Software. (This still does not work and they are stuck trying to solve the problem)
I'm fairly certain that this issue started when i upgraded from Android 11 to 12.
Please can anyone suggest a possible solution for my phone problem?
Things i have done so far:
1.) Factory reset phone several times including separate network resets.
2.) Tested my new replacement Virgin sim card in 2 other phones (This works)
3.) Tried several working sim cards in my s20 phone (None worked)
4.) Confirmed my phone is not barred or locked.
5.) Checked that i can see other Mobile network operators (Does not connect when i select my provider)
6.) Tested in other cities to confirm it's not a signal coverage issue.
7.) And finally, my phone has the latest Android 12 updates inc local app updates
Thank you
Just to add a further update, i have managed to get my phone working intermittently through WIFI but i still have an issue when outside my home.
LK2022 said:
Hi Everyone
I purchased a second hand s20 6 months ago and i am no longer getting any network carrier coverage.
I took my phone to local mobile repair shop and they identified that my base software was South Korean for some reason so they factory reinstalled Android 12 with UK Software. (This still does not work and they are stuck trying to solve the problem)
I'm fairly certain that this issue started when i upgraded from Android 11 to 12.
Please can anyone suggest a possible solution for my phone problem?
Things i have done so far:
1.) Factory reset phone several times including separate network resets.
2.) Tested my new replacement Virgin sim card in 2 other phones (This works)
3.) Tried several working sim cards in my s20 phone (None worked)
4.) Confirmed my phone is not barred or locked.
5.) Checked that i can see other Mobile network operators (Does not connect when i select my provider)
6.) Tested in other cities to confirm it's not a signal coverage issue.
7.) And finally, my phone has the latest Android 12 updates inc local app updates
Thank you
Click to expand...
Click to collapse
Your phone can be in the blacklist as some unpaid fees in the contract of origin provider you purchased this phone. I had exactly same problems and after pay all over due bills phone went into normal.
My S20 Ultra LTE keeps detecting a ghost SIM in the second SIM slot and is making my phone lost signal. Is there a way I can convert it from dual SIM to single SIM?

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