[Q] Signal problem - ONE Q&A, Help & Troubleshooting

Hi
My girlfriend also owns a oneplus one. She had the screen repaired, since then she doesn't have signal all the time. Sometimes it works, sometimes it doesn't. She tried to fix it with another sim but no effect. But last week we went abroad twice and when we were abroad she had signal all the time, and as soon as we got back in Belgium she lost signal again. Now since a day or 2 she has even less signal and she can't send messages or call even with signal.
Just adding that I also own a oneplus and I use the same provider and I have signal everywhere and I have no issues at all.
Anybody that has a solution or might know what the problem is?
Thanks in advance
Anthony

Related

Signal variation and sim problem

Hey guys.
I have noticed large variations in the signal that I have. E.g., somewhere that I normally have 2 bars, from time to time it may display 5 bars or no bars at all, but I can still make a call.
The real problem occurs after long period on standby, after which it seems not to recognize my sim. It has happened 3 times in a 4 day period. The problem is solved if I restart the device or disable-enable the plane mode, but this is not a real solution, since meanwhile I've missed a few calls...
I have no weird apps installed, and I am experiencing the signal variation since day 1, without any apps installed.
Any ideas? Contact the retailer maybe? I bought it from expansys on April 11th, what is their DOA period?
Contact HTC maybe? Or get a new sim?
Your help is highly appreciated!
I suffer signal variations too, I can go from 5 bard to 2 bars and back all in the same location.. Ive never had 0 bars, or had a call drop. But its something that bothers me
What you should do is
Check with your provider for any faults in your area
Request a new sim
Contact your retailer
contact HTC
All in that order.
I also have this problem. I have tried a new simcard but still problem. I hope HTC will solve this, because it seems to be a software problem.
Sent from a another galaxy
azzledazzle said:
I suffer signal variations too, I can go from 5 bard to 2 bars and back all in the same location.. Ive never had 0 bars, or had a call drop. But its something that bothers me
What you should do is
Check with your provider for any faults in your area
Request a new sim
Contact your retailer
contact HTC
All in that order.
Click to expand...
Click to collapse
Thanks for the quick answer.
I do not mind the signal variation, since I can make calls even with 0 bars (!), of course I don't know if this affects the battery life...
My real problem is, not recognizing the sim... I also forgot to mention that the very first time I inserted my sim into the phone, it didn't recognized it either.
I 'll get a new sim from my provider, hoping it's not the phone's fault.
In the meantime, I 'll let the retailer know about the situation and ask about the DOA period, in case that doesn't work.
Torparn said:
I also have this problem. I have tried a new simcard but still problem. I hope HTC will solve this, because it seems to be a software problem.
Sent from a another galaxy
Click to expand...
Click to collapse
You mean, just the signal variation, or the sim not recognized after standby?
you should rly try to get new sim card, could be sim problem.
For signal variation, it probably drains battery life. If signal is weak, or it drops from 1 bar to 0, then back to 1 (had this situation at my work) - battery gets drained RLY fast.
But that was in case when I rly didnt have or had rly weak signal. Dont know with this, but I guess if phone trys to "recover" signal, it will consume much more battery
l3ft3r1s said:
Thanks for the quick answer.
I do not mind the signal variation, since I can make calls even with 0 bars (!), of course I don't know if this affects the battery life...
My real problem is, not recognizing the sim... I also forgot to mention that the very first time I inserted my sim into the phone, it didn't recognized it either.
I 'll get a new sim from my provider, hoping it's not the phone's fault.
In the meantime, I 'll let the retailer know about the situation and ask about the DOA period, in case that doesn't work.
You mean, just the signal variation, or the sim not recognized after standby?
Click to expand...
Click to collapse
I mean the signal variations. I also have an Galaxy Nexus and there is not a problem. Sorry for my bad english
Sent from my HTC One S using xda premium
l3ft3r1s said:
Hey guys.
I have noticed large variations in the signal that I have. E.g., somewhere that I normally have 2 bars, from time to time it may display 5 bars or no bars at all, but I can still make a call.
The real problem occurs after long period on standby, after which it seems not to recognize my sim. It has happened 3 times in a 4 day period. The problem is solved if I restart the device or disable-enable the plane mode, but this is not a real solution, since meanwhile I've missed a few calls...
Click to expand...
Click to collapse
The SIM problem is a separate issue, which you should hopefully get fixed.
Now regarding the signal strength bars. I have used a lot of expensive RF test equipment. Most of it more expensive than your car. Or house.
None of them measured signal level in "bars", usually it was dBm (mW in 50Ohm). Unless you know what those bars correspond to in real power levels, then it's rather hard to say if the variation of a few bars is something to worry about.
Digital comms systems tend to go from "working great" to "no signal" within the span of 6dB. And that's a very small range when one looks at the variation of signal level in a typical urban environment, even if the phone is static (position-wise).
It's been some days now and I don't have any more sim issues, so all good.
Maybe it had sth to do with where the sim was touching the phone... (I tried cleaning the sim and reinserting it a couple of times)
But the signal variations continue... I reached HTC and they said to try GSM only mode, and also safe mode, but same behavior there. - now rechecking and unsure about results, gosh it seems complete random.
aza314, I understand what you 're saying, but what about this... the signal variations are so annoying, that rarely I might unlock my phone to get a temp "no service - emergency calls only" message (normally I have signal again in 1 minute or so), in the same spot I was making calls normally some minutes ago (or later).
Guys, I need your input here... if you have never experienced such a behavior on your phone, if it's not a known bug, I need to know, in order to report it DOA.
edit: on the other hand, maybe it's related to this issue, so hoping to get fixed in the first update...

[Q] Loss of network/signal

Hello,
I updated my Xperia L to 2.17 yesterday,and today,about a few hours ago,my phone lost all signal.
How it happened was weird though-
I first noticed this when i tried to make a call and it wouldn't go through.At that time,the signal bars were full.
Then,i tried to send a text message.Same issue-not delivered,with the signal bars still full.
I thought it could be network issue and put the phone into airplane mode and out of,about 3-4 times.still the signal bars are full,but no call/message was going through.
Fed up,i rebooted the phone twice.Same status! .signal meter is showing full,but no calls/messages going through.
Then,after 5 minutes,the signal meter showed no signal-emergency calls only.
then,about half an hour,network came back up and i was able to use the phone as usual.
It couldnt be a provider issue as another phone with the same provider sim worked fine.I also had plenty of talk-time left so,its not an issue of that either.plus,i was in direct line of sight of multiple towers.
for some background-the sim is about 4 years old.plus,to get 3g working on my phone,i had to play with the settings a bit and it could only be activated after my service provider did some hocus-pocus.since then,i got fed up with their ridiculous prices and shifted back to 2g.
The same sim was in use in a hardy nokia1100 and then a Nokia 6020 till a month back,when i got the XL.and never have i faced such an issue before.
Is it a phone issue?I have attached a screenshot of the battery usage-it shows the network issue in red.
http://forum.xda-developers.com/attachment.php?attachmentid=2177124&stc=1&d=1376067822
Initially,i neglected this in the battery page-this is not the first time the battery page shows network was dropped.it has happened multiple times before,only-this time,i saw it happen live when i was using the phone.so,its not a sudden issue and has been there for a bit of a while.
Another fault i noticed sometimes-when i receive a call-it drops off and i have to dial them back.
However,if i were to make the call,it works just fine.happens very rarely though.
so,do i change the sim or go to the service center?is it a radio/antenna issue?
Kindly advise,
Regards
Suraj
Sorry for bumping old thread. but i got same problem here.
also we are not along. https://talk.sonymobile.com/t5/Xperia-L/network-issue-with-xperia-L/td-p/405833
The signal of my Xperia L fall all time, what I do?
Im have the same problem, what I do? (this is the title)

Connection problems

Hey all.
I have opo 16gb chinese version for around two month, at the first two weeks I had those ghost issues, thay gone after two weeks and instead of them I got those annoying connection problems, the 4g keeps on disconnecting and so is the 3g, I have after day at work 12% without signal, I tried to change the modem with the fastboot, but it only got worst.
Can someone please help me???
I live in Israel if that's Metter in some way.
Tnx. (sorry about my English)
I just switch it with the *#*#4636*#*# to only 3g network, I get around 8% without signal,
Please anyone?? I need help?

Network issues with J7 (SM-710FN)

Hello.
I bought this phone about an week ago, and after two days i noticed that i couldn´t make or receive phone calls, after a litte bit of research i noticed that the phone only has network signal on 4G areas and when i try to switch to 3g or 2g it takes a lot of time (about 2 minutes) or most of the time it doesn't get any signal.
I´ve already done 2 factory resets , switched the sim card and i still cant make calls.
Is there any way to solve this?, because if i activate the warranty it will take a lot of time to get my phone back.
Miguel_j said:
Hello.
I bought this phone about an week ago, and after two days i noticed that i couldn´t make or receive phone calls, after a litte bit of research i noticed that the phone only has network signal on 4G areas and when i try to switch to 3g or 2g it takes a lot of time (about 2 minutes) or most of the time it doesn't get any signal.
I´ve already done 2 factory resets , switched the sim card and i still cant make calls.
Is there any way to solve this?, because if i activate the warranty it will take a lot of time to get my phone back.
Click to expand...
Click to collapse
Seems like manufacturing defect. I guess you would have already tried network mode and automatic search.

Poco X3 NFC loose signal and needs restart

Hallo all!
I recently bought for my wife poco X3 nfc and we have this issue. At random times although it shows it has signal it doesn't and she cannot make or receive calls. It needs to be restarted and then it's ok. The signal from our provider is fine when this happens because at the same time my signal is fine. I replaced the sim card with a new one but the issue still exists. Any thoughts on that please?
silot said:
Hallo all!
I recently bought for my wife poco X3 nfc and we have this issue. At random times although it shows it has signal it doesn't and she cannot make or receive calls. It needs to be restarted and then it's ok. The signal from our provider is fine when this happens because at the same time my signal is fine. I replaced the sim card with a new one but the issue still exists. Any thoughts on that please?
Click to expand...
Click to collapse
Man I'm from Pakistan and using Poco x3 nfc and am facing the same issue..when calling or receiving calls through sim. Although the phone is working fine with WhatsApp calls but whenever I try to call through sim this issue exists I don't know what to do really.
silot said:
Hallo all!
I recently bought for my wife poco X3 nfc and we have this issue. At random times although it shows it has signal it doesn't and she cannot make or receive calls. It needs to be restarted and then it's ok. The signal from our provider is fine when this happens because at the same time my signal is fine. I replaced the sim card with a new one but the issue still exists. Any thoughts on that please?
Click to expand...
Click to collapse
I think this is a problem when the phone is connected to the LTE network. Try to force your phone to use only a 3G network and see if the problem continues.
In the global Xiaomi forum there are many people complaining about problems related to the LTe connection
This phone looks like it has a lot of bugs
Well that is no solution but man that we force our phone on 3g..at the age of 4g and 5g phones..I had the same issue and only after restart yesterday did it get fine just hoping that it does not come back again
This problem happened on my phone right now. I realized that the cell phone has lost the SIM Card signal several times and now the cell phone has a Sim Card signal but does not make or receive a call. In addition to the problem of receiving and originating calls, it is also not connecting to the data network. I do not know what happened. This problem had never happened and even restarting the phone the problem was not solved.
Note: I'm inside my company's office. Other business friends use SIM cards from the same provider and are not experiencing this problem.
I don't know if it has something to do with the signal level of the provider.
Right now the phone is losing and recovering the SIM card signal for many times and is not connecting to the data network.
First of all thanks for the reply!
I will give it a try with your solution. Do you think it is a software or a hardware problem? I am asking this because if it is hardware, i cannot bare the fact of having a phone at 2021 with 3g as a solution and i will turn it back.
Gulzoa said:
Well that is no solution but man that we force our phone on 3g..at the age of 4g and 5g phones..I had the same issue and only after restart yesterday did it get fine just hoping that it does not come back again
Click to expand...
Click to collapse
Mine unfortunatelly, after restarting got fine for few hours and then again i had the same issue...
silot said:
Mine unfortunatelly, after restarting got fine for few hours and then again i had the same issue...
Click to expand...
Click to collapse
Man that sucks too I'll just try calling someone randomly to check if the bug is there or is not..further than that also the increased smoothness of the UI after restart vanishes after some days..why is that so..sd732g behaving like 660

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