[Q] Desperate here: no service help Xperia z3 - Xperia Z3 Q&A, Help & Troubleshooting

Hi I've been having some trouble with my Sony Xperia z3 and I can't seem to fix it
The phone isnt rooted or flashed it is just stock
The phone just gets no service and when try to phone someone it says 'radio off' and it says I'm in flight mode when it's not so i don't know what's going on
Also it says this in the settings -
Service state -Voice: Radio off — Data: Radio off
Mobile network type- unknown
Mobile network state unknown
Network - no service
Signal strength -0
The phone recognises the sim
I have tried the Sony companion app and running the repair, restarted the phone several times, factory reset it, and it's not the sim because i've tried the sim in several phone and it works fine. The phone is running lollipop and the sim was working completely fine up until Wednesday and I don't know what has caused this issue, any help appreciated.

joshwba said:
Hi I've been having some trouble with my Sony Xperia z3 and I can't seem to fix it
The phone isnt rooted or flashed it is just stock
The phone just gets no service and when try to phone someone it says 'radio off' and it says I'm in flight mode when it's not so i don't know what's going on
Also it says this in the settings -
Service state -Voice: Radio off — Data: Radio off
Mobile network type- unknown
Mobile network state unknown
Network - no service
Signal strength -0
The phone recognises the sim
I have tried the Sony companion app and running the repair, restarted the phone several times, factory reset it, and it's not the sim because i've tried the sim in several phone and it works fine. The phone is running lollipop and the sim was working completely fine up until Wednesday and I don't know what has caused this issue, any help appreciated
Click to expand...
Click to collapse
In about phone does it recognize "baseband version"?

electrash said:
In about phone does it recognize "baseband version"?
Click to expand...
Click to collapse
Yes it does

joshwba said:
Yes it does
Click to expand...
Click to collapse
Reading the internet i came out with few solutions:
1. Try to get new SIM if this one is little old (because in new update of lollipop sony enabled new frequency band)
2. Try to make few reboots of phone (few people reported this to work)
3. Try to turn on and off airplane mode couple of times (few people reported this to work)
4. Try to download APN and Internet settings
5. Try mannualy choose carirer in settings, if dosent work try to set to GSM only (also few of them reported this to work)
This is for now..I will update as i come on more info
Keep me update if it helped you

electrash said:
Reading the internet i came out with few solutions:
1. Try to get new SIM if this one is little old (because in new update of lollipop sony enabled new frequency band)
2. Try to make few reboots of phone (few people reported this to work)
3. Try to turn on and off airplane mode couple of times (few people reported this to work)
4. Try to download APN and Internet settings
5. Try mannualy choose carirer in settings, if dosent work try to set to GSM only (also few of them reported this to work)
This is for now..I will update as i come on more info
Keep me update if it helped you
Click to expand...
Click to collapse
1. The sim works in other z3 lollipop devices and I've tried many other sd cards
2.I've downloaded the APN and Internet settings
3.I don't have a GSM only option and It doesn't let me choose manually it just stays on a searching screen because I have no way of changing it from automatic to manual
I believe it is something to with the voice radio and data radio being off is there anyway to turn it on?

electrash said:
Reading the internet i came out with few solutions:
1. Try to get new SIM if this one is little old (because in new update of lollipop sony enabled new frequency band)
2. Try to make few reboots of phone (few people reported this to work)
3. Try to turn on and off airplane mode couple of times (few people reported this to work)
4. Try to download APN and Internet settings
5. Try mannualy choose carirer in settings, if dosent work try to set to GSM only (also few of them reported this to work)
This is for now..I will update as i come on more info
Keep me update if it helped you
Click to expand...
Click to collapse
Do you think it may be a hardware issue?

joshwba said:
Do you think it may be a hardware issue?
Click to expand...
Click to collapse
Well, there might be a loose connection between motherboard and antenna, or broken antenna.
But it's really hard to occur. I assume you didn't drop your phone.
Sent from my D6603 using XDA Free mobile app

electrash said:
Well, there might be a loose connection between motherboard and antenna, or broken antenna.
But it's really hard to occur. I assume you didn't drop your phone.
Sent from my D6603 using XDA Free mobile app
Click to expand...
Click to collapse
No I haven't dropped my phone but about a month ago my front screen corner has begun peel up because of the adhesive coming off and then the vibration stopped working so maybe something got under the screen? If it's not a hardware issue is there any way to start the voice and data radios on? Because I think they maybe the issue because when I.try to make a call it says radios off and that the phone its in airplane mode when it's not

joshwba said:
No I haven't dropped my phone but about a month ago my front screen corner has begun peel up because of the adhesive coming off and then the vibration stopped working so maybe something got under the screen? If it's not a hardware issue is there any way to start the voice and data radios on? Because I think they maybe the issue because when I.try to make a call it says radios off and that the phone its in airplane mode when it's not
Click to expand...
Click to collapse
I am experiencing the same problem as you, just hours ago it was working fine. then I changed my sim, after reboot it says no service, Same problem when I try to call it says radio off and turn off airplane mode. I dont know what to do. I tried resetting and everything but nothing seems to work... I have no idea what caused this too

CrashOverRide27 said:
I am experiencing the same problem as you, just hours ago it was working fine. then I changed my sim, after reboot it says no service, Same problem when I try to call it says radio off and turn off airplane mode. I dont know what to do. I tried resetting and everything but nothing seems to work... I have no idea what caused this too
Click to expand...
Click to collapse
Let me know if you manage to fix it

joshwba said:
Let me know if you manage to fix it
Click to expand...
Click to collapse
is it worth me sending it into sony repair center?

joshwba said:
is it worth me sending it into sony repair center?
Click to expand...
Click to collapse
it is if you have warranty

http://imgur.com/6MGSzuX
Does this mean anything to anyone ?

I have been searching for this error for more than a month. My xperia z3 got this problem when i put it on water. After that my xperia lost signal for a day or two, then it recover the signal for a week. It didnt show any problems after two weeks of use.
Then the error came back, after a reset factory, switching airplane mode and all kind of stuff, i couldnt solved the problem. I have searched that it doesnt only ocurred in xperia but in any android. The strange thing is that no one has a solution, for real no one. I sent my phone to warranty but sony didnt take care of the problem. So im trying different solutions. The next step for me is to open it and try to figure it out.
Good luck

carasd said:
I have been searching for this error for more than a month. My xperia z3 got this problem when i put it on water. After that my xperia lost signal for a day or two, then it recover the signal for a week. It didnt show any problems after two weeks of use.
Then the error came back, after a reset factory, switching airplane mode and all kind of stuff, i couldnt solved the problem. I have searched that it doesnt only ocurred in xperia but in any android. The strange thing is that no one has a solution, for real no one. I sent my phone to warranty but sony didnt take care of the problem. So im trying different solutions. The next step for me is to open it and try to figure it out.
Good luck
Click to expand...
Click to collapse
Let me know If you manage to fix this problem

No Service
I'm having the exact same issue. The issue occurred after taking a photo a few inches below water, only submerged for a few seconds with all flaps secured. When there was no cellular network connection, I turned off the phone and removed SD and SIM card and let it sit for awhile. After a few hours, I turned the phone back on and had no problems until a week later.
After restarting my phone today, I lost all cellular network connection although everything else appears to be fine.
I've tried restarting, hardware reset, new SIM card and safe boot.
I called Sony who advised factory reset which I'm about to try though I doubt it will work. My provider tried steps on their end as well. The liquid indicators are still white so I don't believe water infiltration would cause this issue but who knows.

HElp
joshwba said:
Hi I've been having some trouble with my Sony Xperia z3 and I can't seem to fix it
The phone isnt rooted or flashed it is just stock
The phone just gets no service and when try to phone someone it says 'radio off' and it says I'm in flight mode when it's not so i don't know what's going on
Also it says this in the settings -
Service state -Voice: Radio off — Data: Radio off
Mobile network type- unknown
Mobile network state unknown
Network - no service
Signal strength -0
The phone recognises the sim
I have tried the Sony companion app and running the repair, restarted the phone several times, factory reset it, and it's not the sim because i've tried the sim in several phone and it works fine. The phone is running lollipop and the sim was working completely fine up until Wednesday and I don't know what has caused this issue, any help appreciated.
Click to expand...
Click to collapse
Hi, Could you solve your problem ?, I have the same

Yep, I got that too. I used it in the water, then the service got lost, then it returned after 10-20 min, but after that it worked for two days and now, bothing, it happened again, but after a day when it was in the water. So I got no service, cool....

Sony z3 no service radio off
mario_labrie said:
Hi, Could you solve your problem ?, I have the same
Click to expand...
Click to collapse
Hi I have the same issue please help me fixing it. I took my phone to an expert and his diagnosis lead to the change of the motherboard. I hope that's not true

I have the same problem. Anyone has the solution?
---------- Post added at 10:00 AM ---------- Previous post was at 09:56 AM ----------
Pil0t0fTheSt0rm said:
I'm having the exact same issue. The issue occurred after taking a photo a few inches below water, only submerged for a few seconds with all flaps secured. When there was no cellular network connection, I turned off the phone and removed SD and SIM card and let it sit for awhile. After a few hours, I turned the phone back on and had no problems until a week later.
After restarting my phone today, I lost all cellular network connection although everything else appears to be fine.
I've tried restarting, hardware reset, new SIM card and safe boot.
I called Sony who advised factory reset which I'm about to try though I doubt it will work. My provider tried steps on their end as well. The liquid indicators are still white so I don't believe water infiltration would cause this issue but who knows.
Click to expand...
Click to collapse
Have you got the solution?

Related

Nexus 5 - Dropping network

My S3 died last week so I purchased a Nexus 5 and I've had nothing but issues with it since.
In 6 days it has dropped network about 10 times and just displays 'Emergency calls only' until I reboot it. It seems to be completely random.
Twice it has done it whilst streaming over 4g from YouTube, but it has also just done it whilst dormant overnight. I woke up the other day to find 'Emergency Calls Only' despite it being fine when I went to sleep.
After searching google I can now see that this seems to be a common issue with Nexus 5.
I'm seriously considering taking it back and getting something else, although I'd love to keep it if it works properly. Does anyone know the cause of the issue or have any workarounds? As I use the phone for out of hours calls for work, I can't afford to have it drop network whilst in my pocket and me not know about it...
BurnCK said:
My S3 died last week so I purchased a Nexus 5 and I've had nothing but issues with it since.
In 6 days it has dropped network about 10 times and just displays 'Emergency calls only' until I reboot it. It seems to be completely random.
Twice it has done it whilst streaming over 4g from YouTube, but it has also just done it whilst dormant overnight. I woke up the other day to find 'Emergency Calls Only' despite it being fine when I went to sleep.
After searching google I can now see that this seems to be a common issue with Nexus 5.
I'm seriously considering taking it back and getting something else, although I'd love to keep it if it works properly. Does anyone know the cause of the issue or have any workarounds? As I use the phone for out of hours calls for work, I can't afford to have it drop network whilst in my pocket and me not know about it...
Click to expand...
Click to collapse
Update radio or android, try different radios or reinsert sim. The network drop issue has been fix in 4.4.3
GtrCraft said:
Update radio or android, try different radios or reinsert sim. The network drop issue has been fix in 4.4.3
Click to expand...
Click to collapse
Do I have to root to try different radios? Android was updated when I got the phone and it's now on 4.4.4
BurnCK said:
Do I have to root to try different radios? Android was updated when I got the phone and it's now on 4.4.4
Click to expand...
Click to collapse
You have to unlock the bootloader to try different radio's. There is a thread about it in the general section. Try to reinsert the sim first. It fixed it for me when I had the issue
GtrCraft said:
You have to unlock the bootloader to try different radio's. There is a thread about it in the general section. Try to reinsert the sim first. It fixed it for me when I had the issue
Click to expand...
Click to collapse
OK I'll try the sim first before unlocking bootloader. Thanks
BurnCK said:
OK I'll try the sim first before unlocking bootloader. Thanks
Click to expand...
Click to collapse
There is a thanks button for that [emoji6]
GtrCraft said:
There is a thanks button for that [emoji6]
Click to expand...
Click to collapse
OK so I tried re-inserting the sim but still dropping network. The weird thing is that it has done 3 times in the exact same location on my way to work whilst I've been streaming. It's as if it loses 4g signal in that location but then fails to switch to 3g and instead I get left with no network connection / no bars (empty triangle). It then fails to pick up the network again until I reboot (tried re-registering on network and airplane mode on/off).
BurnCK said:
OK so I tried re-inserting the sim but still dropping network. The weird thing is that it has done 3 times in the exact same location on my way to work whilst I've been streaming. It's as if it loses 4g signal in that location but then fails to switch to 3g and instead I get left with no network connection / no bars (empty triangle). It then fails to pick up the network again until I reboot (tried re-registering on network and airplane mode on/off).
Click to expand...
Click to collapse
Hmmm that sounds like an apn or carrier issue. Maybe they can help you
GtrCraft said:
Hmmm that sounds like an apn or carrier issue. Maybe they can help you
Click to expand...
Click to collapse
OK so re-inserted sim and spoke to O2 who said settings are ok. However, it did it again this morning in the same location. That's 12 times in 8 days I've had the phone, 4 of those in the same location (give or take 100m).
I think I'll take the phone back before unlocking bootloader and trying a new radio, but any other suggestions before I do that ? Factory reset ?
BurnCK said:
OK so re-inserted sim and spoke to O2 who said settings are ok. However, it did it again this morning in the same location. That's 12 times in 8 days I've had the phone, 4 of those in the same location (give or take 100m).
I think I'll take the phone back before unlocking bootloader and trying a new radio, but any other suggestions before I do that ? Factory reset ?
Click to expand...
Click to collapse
You have drops in the same location? Is that only with the N5 or with other phones too?
GtrCraft said:
You have drops in the same location? Is that only with the N5 or with other phones too?
Click to expand...
Click to collapse
I never had it with my S3 in 2 years, using the same route into work every day. I can't remember my S3 ever dropping network once....or if it did it picked up the network again automatically. Only difference was I wasn't on LTE with that.
It's not just that location though, it's happened 8 other times in other place nowhere near. I only made note of the same location because it's where I get off the tram coming into work. This morning I wasn't streaming or anything, it was just in my pocket, but I'd installed light flow to audibly alert me when it lost connection.
BurnCK said:
I never had it with my S3 in 2 years, using the same route into work every day. I can't remember my S3 ever dropping network once....or if it did it picked up the network again automatically. Only difference was I wasn't on LTE with that.
It's not just that location though, it's happened 8 other times in other place nowhere near. I only made note of the same location because it's where I get off the tram coming into work. This morning I wasn't streaming or anything, it was just in my pocket, but I'd installed light flow to audibly alert me when it lost connection.
Click to expand...
Click to collapse
Maybe set it to 3g instead of LTE, or else RMA/send the device
GtrCraft said:
Maybe set it to 3g instead of LTE, or else RMA/send the device
Click to expand...
Click to collapse
Yeah I've seen suggestions about changing to 3g, but that defeats the object of me having an LTE phone and paying for 4g service. Thanks, I think I'll take the phone back. My mate has an N5 and although he said he'd experienced it in the past, he hasn't since being on 4.4.3 / 4.4.4
BurnCK said:
Yeah I've seen suggestions about changing to 3g, but that defeats the object of me having an LTE phone and paying for 4g service. Thanks, I think I'll take the phone back. My mate has an N5 and although he said he'd experienced it in the past, he hasn't since being on 4.4.3 / 4.4.4
Click to expand...
Click to collapse
Definitely taking it back...just done it again whilst in work.
BurnCK said:
Definitely taking it back...just done it again whilst in work.
Click to expand...
Click to collapse
OK so I've been and swapped my N5 for a new one...they also gave me a new sim. Fingers crossed !!
I guess I am too late to add anything but anyway here is what I did and may be of help. After pulling out the sim, use a pencil eraser and rub it across the contacts on the sim card. If the contacts somehow get too much oil residue from finger tips or other "impurities" on the contact, you will get incomplete contacting sometimes and it works other times. The eraser will clean those contacts up for a better dirt free connection. When I was a electronics tech in the hi tech field, I fixed many issues that were just contact problems and the eraser did the trick. I have had this same problem on my other phones (blackberries and androids) and it seemed to work.
AndroidMilos said:
I guess I am too late to add anything but anyway here is what I did and may be of help. After pulling out the sim, use a pencil eraser and rub it across the contacts on the sim card. If the contacts somehow get too much oil residue from finger tips or other "impurities" on the contact, you will get incomplete contacting sometimes and it works other times. The eraser will clean those contacts up for a better dirt free connection. When I was a electronics tech in the hi tech field, I fixed many issues that were just contact problems and the eraser did the trick. I have had this same problem on my other phones (blackberries and androids) and it seemed to work.
Click to expand...
Click to collapse
Thanks. Either the new phone or the new sim seem to have fixed the issue. I've not had a network disconnect since (been 5 days now).

NEXUS 5 cannot connect to network?!

Hello,
So my phone just lost cellular connection. No bars no nothing. When i put my sim to other phone everything works . So i want to know is there any way to test if my nexus 5 hardware is failing or is there any other bug/fix what can i do to get this work. My phone detects sim card, it detects services but says cannot connect to this network right now, try again later.
PLEASE HELP!
Acrodroid said:
Hello,
So my phone just lost cellular connection. No bars no nothing. When i put my sim to other phone everything works . So i want to know is there any way to test if my nexus 5 hardware is failing or is there any other bug/fix what can i do to get this work. My phone detects sim card, it detects services but says cannot connect to this network right now, try again later.
PLEASE HELP!
Click to expand...
Click to collapse
I am having the exact same issue. started today around noon. i performed a phone reset and the problem persists. i would love if someone could help us out!
Hey guys I'm having the same issue. I was on lollipop, flashed Kitkat factory image, same problem. Have deleted, wiped, etc everything I can do. Tried safe mode. Nothing works. Started around 10AM today. It was working fine before.
I'm having the same issue. Has anyone found a fix?
has anyone found a remedy for this?
Exact same problem!!
Any answers wud be much appreciated
There is a known problem with a zero-battery drain killing the radio - i suffered it myself. Does that match any of your experiences?
I too am experiencing this problem. My phone died the other day and when I turned it back on there was no cellular signal. I can use wifi & bluetooth fine.
edit. I was considering replacing the antenna wires, don't know if that'll even help though. How do I troubleshoot this?
All of you check this thread:
http://forum.xda-developers.com/google-nexus-5/help/nexus-5-radio-refuses-to-t2834540
If your N5 runs totally out of battery, something happens to kill the radio module. I searched everywhere for a week for a solution - there isn't one.

[Q] No data

Hi folks!
Just got this xperia E3, had my old chip correctly cut to fit on the slot so calls and sms works fine. But I am not able to get data connection. I am in Brazil, using VIVO operator. Does anybody have any hint on what can I try to fix? Have already messed with all configs available, reset to factory defaults and started over, but no luck.
Could this be a baseband issue? Or what?
Tks, best regards.
mmerlone said:
Hi folks!
Just got this xperia E3, had my old chip correctly cut to fit on the slot so calls and sms works fine. But I am not able to get data connection. I am in Brazil, using VIVO operator. Does anybody have any hint on what can I try to fix? Have already messed with all configs available, reset to factory defaults and started over, but no luck.
Could this be a baseband issue? Or what?
Tks, best regards.
Click to expand...
Click to collapse
Did you try to contact you mobile network provider and rule out the possible problem on its side?
Because one of the usual cases is the wrong profile for internet connection in the phone. So, maybe the settings weren't adjusted automatically and you have to call you mobile carrier and check you own settings asking to what help desk is telling you.
Raproid said:
Did you try to contact you mobile network provider and rule out the possible problem on its side?
Click to expand...
Click to collapse
Not yet, just got it on for some hours... Since it is a time consuming task (some hours on the phone with provider support), will try to find by myself for now.
Raproid said:
Because one of the usual cases is the wrong profile for internet connection in the phone. So, maybe the settings weren't adjusted automatically and you have to call you mobile carrier and check you own settings asking to what help desk is telling you.
Click to expand...
Click to collapse
I dig on the internet and checked its settings, they seem fine. After a while I tried a totally illogic workaround: moved SIM card from slot1 to slot2, and voilá. It seems to sort of work, got edge connection at least. Went back to slot1 and again, no connection.
Seems a common issue on dual-chip mobiles, a fried told me. Have you seen that?
mmerlone said:
Not yet, just got it on for some hours... Since it is a time consuming task (some hours on the phone with provider support), will try to find by myself for now.
I dig on the internet and checked its settings, they seem fine. After a while I tried a totally illogic workaround: moved SIM card from slot1 to slot2, and voilá. It seems to sort of work, got edge connection at least. Went back to slot1 and again, no connection.
Seems a common issue on dual-chip mobiles, a fried told me. Have you seen that?
Click to expand...
Click to collapse
I have two dual-sim mobiles both working on the same principles - 1 module, 2 sim cards. They are both based on Mediatek CPU. Everything works fine either with just one SIM or two. Internet I mean.
4.4.4: Ok
Hi,
Just as a follow up, I flashed latest Sony 4.4.4 for D2212 (got it here) and it now works as it should.
mmerlone said:
Hi,
Just as a follow up, I flashed latest Sony 4.4.4 for D2212 (got it here) and it now works as it should.
Click to expand...
Click to collapse
it was for d2202 not d2212 but it work on both.

[Q] Mate7 4g data problem

Hi all,
I've had this great phone MT7-L09 (softare version L09V100R001C00B127) since last December. My problem is that every now and then the 4g cuts off for a period of ten seconds.
It does not matter how strong the signal is nor which or whatever app I'm using. It just loses network. First thing I did was to change the old sim card to a new one. Did not help.
I was in contact with the Huawei support and conclusion was to send phone to service. OK. It came back with the same problem altough they changed the circuit board...so obviously they though that this would solve the problem. I did not. After messing around with it, trying to find if someone else was suffering with the same problem, with no luck, I send it back to service. Now they said that there is nothing wrong with it, but the problem is still there.
I havent noticed anything cut offs using 3g. It's not a major thing but it would be nice to know if its a firmware or any other software related problem.
If I use Netflix or similar where the data keeps coming it works just fine or if I use the phone as Wi-Fi hotspot, no problems.
It just loses network connection using apps like play store, facebook, whatsapp, twitter, every browser ie. firefox, build in browser, chrome, to name a few.
Should I just keep using it as it is or keep sending it back to service until they fix this issue???
Thanks
jopomopo said:
Hi all,
I've had this great phone MT7-L09 (softare version L09V100R001C00B127) since last December. My problem is that every now and then the 4g cuts off for a period of ten seconds.
It does not matter how strong the signal is nor which or whatever app I'm using. It just loses network. First thing I did was to change the old sim card to a new one. Did not help.
I was in contact with the Huawei support and conclusion was to send phone to service. OK. It came back with the same problem altough they changed the circuit board...so obviously they though that this would solve the problem. I did not. After messing around with it, trying to find if someone else was suffering with the same problem, with no luck, I send it back to service. Now they said that there is nothing wrong with it, but the problem is still there.
I havent noticed anything cut offs using 3g. It's not a major thing but it would be nice to know if its a firmware or any other software related problem.
If I use Netflix or similar where the data keeps coming it works just fine or if I use the phone as Wi-Fi hotspot, no problems.
It just loses network connection using apps like play store, facebook, whatsapp, twitter, every browser ie. firefox, build in browser, chrome, to name a few.
Should I just keep using it as it is or keep sending it back to service until they fix this issue???
Thanks
Click to expand...
Click to collapse
Sorry...one stupid question: have you already tried keeping the phone completely stock (without any application and/or software or any kin dof personalisation) for a couple of week and see if the problem still exists?
It really seems to me a software problem. Very strange.
I had the same problem with my MT7-TL10 golden version. For a week or so, the network used to come and go. Then ultimately the sim was not recognized at all. I sent it to Huawei service center and they told me that the sim slot is broken and I had to pay for replacement of the board which I refused. I was sure that I didn't break it. Now I am using my phone with one sim only.
Sent from my HUAWEI MT7-TL10 using Tapatalk
tuddu said:
Sorry...one stupid question: have you already tried keeping the phone completely stock (without any application and/or software or any kin dof personalisation) for a couple of week and see if the problem still exists?
It really seems to me a software problem. Very strange.
Click to expand...
Click to collapse
Thanks for your reply,
I haven't used it only with stock apps for a week maybe a day, but first thing when it came back from service for the first time, I did not install any apps and it still lost the connection anyway...
mirchichamu said:
I had the same problem with my MT7-TL10 golden version. For a week or so, the network used to come and go. Then ultimately the sim was not recognized at all. I sent it to Huawei service center and they told me that the sim slot is broken and I had to pay for replacement of the board which I refused. I was sure that I didn't break it. Now I am using my phone with one sim only.
Sent from my HUAWEI MT7-TL10 using Tapatalk
Click to expand...
Click to collapse
I'm not sure, but isn't the sim card slot located on the circuit board??? If it is, it cannot be the problem, but I must try the second slot anyhow.
jopomopo said:
Hi all,
I've had this great phone MT7-L09 (softare version L09V100R001C00B127) since last December. My problem is that every now and then the 4g cuts off for a period of ten seconds.
It does not matter how strong the signal is nor which or whatever app I'm using. It just loses network. First thing I did was to change the old sim card to a new one. Did not help.
I was in contact with the Huawei support and conclusion was to send phone to service. OK. It came back with the same problem altough they changed the circuit board...so obviously they though that this would solve the problem. I did not. After messing around with it, trying to find if someone else was suffering with the same problem, with no luck, I send it back to service. Now they said that there is nothing wrong with it, but the problem is still there.
I havent noticed anything cut offs using 3g. It's not a major thing but it would be nice to know if its a firmware or any other software related problem.
If I use Netflix or similar where the data keeps coming it works just fine or if I use the phone as Wi-Fi hotspot, no problems.
It just loses network connection using apps like play store, facebook, whatsapp, twitter, every browser ie. firefox, build in browser, chrome, to name a few.
Should I just keep using it as it is or keep sending it back to service until they fix this issue???
Thanks
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Man why everybody blames PHONE first??? like not trusting !
To fix this problem is to go to networks and u have to restore your apn to default it like refreshes then you can either just turn off data and then on and restart phone
Simona Simmy said:
Man why everybody blames PHONE first??? like not trusting !
To fix this problem is to go to networks and u have to restore your apn to default it like refreshes then you can either just turn off data and then on and restart phone
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Click to collapse
Did not work.
jopomopo said:
Did not work.
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Reset/Restore phone (backup first)
Simona Simmy said:
Reset/Restore phone (backup first)
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Click to collapse
Does not work, same problem after a numerous resettings. If I may add, I've have couple of other phones of which this problem does not occur.
In same place and conditions these phones work just fine not losing the data connection. Sure, if 4g is not available they use 3g, but never ever will the connection break off.
jopomopo said:
Does not work, same problem after a numerous resettings. If I may add, I've have couple of other phones of which this problem does not occur.
In same place and conditions these phones work just fine not losing the data connection. Sure, if 4g is not available they use 3g, but never ever will the connection break off.
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Click to collapse
faulty 4G module tuner.. phone ... replacement needed...
change preferred network
Go to settings and -->mobile networks-->>preferred network and select "WCDMA only"..
It will fix your problem..
There is no such option in my phone settings, only the option to choose automatic 4g3g2g or automatic 3g2g or 2g, 3g only and 2g only. As previously stated no data loss nor connectivity issues using 3g. It's bit annoying sometimes when phone loses data connection altogether although signal is very strong. Just waiting lollipop upgrade if it'd solve the problem, I doubt it but...
network operator..
I think it's network problem..please contact your network operator..4g network have connection problem from some local area signal towers..so you just put other network company SIM card in your local area..(use 4g supported SIM only)
Thanks for your advice, but I don't think that it's SIM card problem because there is no problem what so ever using my other phone SGS5.
sorry
jopomopo said:
Thanks for your advice, but I don't think that it's SIM card problem because there is no problem what so ever using my other phone SGS5.
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Hmmm. Sorry friend..I am helpless.. anyway continue your thread here..in Xda have brilliant members..they can help you..best of luck.
Thanks, I totally missed your comment...this is turning out to be quite a puzzle. I've noticed the less battery (<60%) I've have on the phone there seems to be nothing wrong with the 4g connection. ???
To answer to myself, I was too optimistic...nothing to do with battery. It's just so weird that phone works like a charm most of time and then suddenly not. I'm confused...
Now on the newest firmware lollipop 5.1 it fixed my lte problem
same issue
I bought mate 7 a couple of days ago and I keep losing the data connection. the network gets connected and lost again.
i did everything to fix it but no luck. changed sim, restored device, modified APN and no luck.
it keeps disconnecting seems that it is a problem with the phone itself as i have read the same issue on a couple of forums..
hope it is a software issue and get fixed soon as this is annoying.
In service they replaced my phone to a new one mostly because of this problem and I can say it did not help at all. Only upgrading to lollipop will fix the problem ( tested on beta) I'm on b145 now and it does that all the time. I guess it is carrier based problem not SIM nor hardware.

One Plus One unable to connect to wind network

Hey I have had my one plus one for a little under a year and after a 2 week road trip it has stopped being able to connect and detect the Wind home network. During this road trip I was on airplane mode for the full duration of the 2 weeks with the 05Q caulkin rom installed. Once I had reached my home town of ontario I had noticed that I could only connect to wind away on my opo. When scanning manually for the WIND home network it would appear with the simcard symbol beside it but when trying to connect it would state that it was unable to connect to the network. Although randomly throughout the day it would connect without warning until I rebooted my device where it would lose connection again. I then later updated my phone to the latest OTA which is cm12.1 hoping that the problem would be fixed but to no avail. At first it was the same issue where it would show the WIND network with the sim card symbol beside it but now I am not even able to see the WIND home network and can only able to see the Wind away network. I have tried changing my APNs and have tested my sim card on my sisters opo where it works perfectly fine. I have also done a factory reset and nothing has been able to fix the issue. I would like to fix this issue and anything would be of help.
JaddNC said:
Hey I have had my one plus one for a little under a year and after a 2 week road trip it has stopped being able to connect and detect the Wind home network. During this road trip I was on airplane mode for the full duration of the 2 weeks with the 05Q caulkin rom installed. Once I had reached my home town of ontario I had noticed that I could only connect to wind away on my opo. When scanning manually for the WIND home network it would appear with the simcard symbol beside it but when trying to connect it would state that it was unable to connect to the network. Although randomly throughout the day it would connect without warning until I rebooted my device where it would lose connection again. I then later updated my phone to the latest OTA which is cm12.1 hoping that the problem would be fixed but to no avail. At first it was the same issue where it would show the WIND network with the sim card symbol beside it but now I am not even able to see the WIND home network and can only able to see the Wind away network. I have tried changing my APNs and have tested my sim card on my sisters opo where it works perfectly fine. I have also done a factory reset and nothing has been able to fix the issue. I would like to fix this issue and anything would be of help.
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Click to collapse
I'm having the exact same issue bro, see my thread here: http://forum.xda-developers.com/oneplus-one/help/connect-to-home-network-stuck-roaming-t3197836
Unfortunately no one has replied yet.
limpexowns said:
I'm having the exact same issue bro, see my thread here: http://forum.xda-developers.com/oneplus-one/help/connect-to-home-network-stuck-roaming-t3197836
Unfortunately no one has replied yet.
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Click to collapse
Sorry to hear you are going through the same problem. If I learn how to solve this problem I will make sure to hit you up.
JaddNC said:
Sorry to hear you are going through the same problem. If I learn how to solve this problem I will make sure to hit you up.
Click to expand...
Click to collapse
Did you have any luck yet? Mine is still acting the same. I have been using my LG G2 for a while so I haven't really tried to solve the issue as I tried a lot previously as stated in my post.
Maybe you could post your solution here to help other members that may have the same problem ?
JaddNC said:
Sorry to hear you are going through the same problem. If I learn how to solve this problem I will make sure to hit you up.
Click to expand...
Click to collapse
Have found found a solution yet? I have the same problem. Sim card works perfect on OnePlus X, Nexus 4, but not on OnePlus One. I get connected to Wind Away, and I've tried just about every fix including entering in everything manually.
did anyone figure out a solution? im having this problem right now
Wow... sounds like I wrote this thread - aside from minor details this is EXACTLY the problem I am having. My vacation was also two weeks and the randomly connect during daytime but loses connection once restarts sound all too familiar. After Wind store clerk did sim swap, new error msg appears and said "your sim card does not allow connection to this network", so the problem actually got worse. Eventually I had to switch carrier (to Koodo and it works).
No, I have not fixed it yet.
But I'm contemplating to try manual selection of radio band (in the *#*#4636#*#* menu), because mine is showing EURO BAND and USA BANDas choices. Tho haven't made up my mind yet because that might do much more damage than good, based on some Google research so far... frustrating.

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