Hi there. Recently my Nexus 5X has something wrong with its communication function.
I am using CM13 nightly builds with ElementalX kernel on 4GLTE network. And everything works fine except:
When making calls, it ends up with "Network not available". However, the signal bar is full. Also, it is unable to send or receive any text message.
I have already tried:
1. Flash the latest factory image from Google(mtc19v). And it worked for a while then the issue recurred.
2. Dial *#*#4636#*#* and switch to "CDMA only" but it failed to make it, automatically rolled back to LTE mode.
3. Tried CM13 snapshot and other nightly builds, and still got the problem.
Does anyone have any advice? Thanks.
Cijophxon said:
Hi there. Recently my Nexus 5X has something wrong with its communication function.
I am using CM13 nightly builds with ElementalX kernel on 4GLTE network. And everything works fine except:
When making calls, it ends up with "Network not available". However, the signal bar is full. Also, it is unable to send or receive any text message.
I have already tried:
1. Flash the latest factory image from Google(mtc19v). And it worked for a while then the issue recurred.
2. Dial *#*#4636#*#* and switch to "CDMA only" but it failed to make it, automatically rolled back to LTE mode.
3. Tried CM13 snapshot and other nightly builds, and still got the problem.
Does anyone have any advice? Thanks.
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Click to collapse
Try getting a new simcard from your carrier.
Darke5tShad0w said:
Try getting a new simcard from your carrier.
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Click to collapse
Thanks for reply. I will try ASAP.
OK. I have fixed it. This is the MOST weird and tricky problem I have ever met since I knew Android phones.
First there are some key concepts:
From the "*#*#4636#*#*" (Testing) menu -> Phone Information, we notice IMEI, Phone number, and Current Network. In my case I couldn't make phone calls or send/receive text messages, I got my IMEI and Current Network NORMAL, but I got NOTHING for my Phone number section, which means my phone turned into something without a number! So how can it be discovered by the mobile base stations?
Furthermore, scrolling down there are another 3 indicators: GSM service and GPRS service and Network type. In my case the GSM service was "Emergency calls only"(However there is someone on the Androidcentral Forum said his Nexus 4 under the same circumstance can't even dial 911), and I doubt that. The GSM service was COMPLETELY offline. On the other hand, since my data service ran smoothly thus the GPRS service is always "connected". The Network type is "LTE". I have tried many times to change it to the CDMA or GSM ones, like "eHRPD", "1xRTT", "EDGE" or sth else but few succeeded. Once succeeded, I can normally voice or text, yet on the outdated network.
Then how I fixed this:
I googled "Mobile network not available" and got many results about the Samsung phones. Then googled "mobile network not available nexus" and found this one "Mobile Network Not Available" on Nexus 4 T-Mobile which perfectly matches my case. Finally I thought it had something to do with my network provider and my phone should not be blamed. I just tried another SIM card from another carrier, which worked perfectly on LTE network with voice and text. When I opened the *#*#4636#*#* menu and tried to change "preferred network", the phone also worked smoothly no matter WCDMA only/GSM only/LTE only. I put back my bad SIM card and the voice and text came back!??? I was extremely confused. That is to say, still there was a problem on my phone. By inserting another SIM it just did something like refreshing the stucked radio module??? I wondered. After this simple trick I got my voice and text back though, the "Current network" became "Roaming Indicator Off".... Maybe the next time.
Related
Anyone know what may be up with this? When i try to send an SMS it just sits there attempting to send but ends up saying it has failed. no details on why.
Using data on 2g/3g is fine. I have wiped phone and installed new ROMs twice but the deal is the same.... I can still make/receive phone calls, can send/receive MMS, browser on wifi and 2g/3g is good, just no sms. phone status says i'm connected, phone network settings on *#*#4636#*#* says everything is fine, and I have even switched between AUS and AUS2 bands (i am in australia) but to no avail.
Please help!
aerospyke said:
Anyone know what may be up with this? When i try to send an SMS it just sits there attempting to send but ends up saying it has failed. no details on why.
Using data on 2g/3g is fine. I have wiped phone and installed new ROMs twice but the deal is the same.... I can still make/receive phone calls, can send/receive MMS, browser on wifi and 2g/3g is good, just no sms. phone status says i'm connected, phone network settings on *#*#4636#*#* says everything is fine, and I have even switched between AUS and AUS2 bands (i am in australia) but to no avail.
Please help!
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Click to collapse
Maybe your simcard has lost the smsc number? I don't remember how to edit it on the nexus though.
When did you first encounter this problem?
Sent from my Galaxy Nexus using Tapatalk
I first encountered this around the same time i first flashed revolutionHD, but doubt its directly related. I'll look around for the SMSC I need. Will update
experienced something similar at activation. are you porting your number?
ok you were right, my SMSC disappeared. annoyingly i couldn't put it directly into the phone, as it is complaining that there is an update error, but thankfully i use GoSMS and can tell it to use a custom SMSC and so that works.
As for activation, n i wasn't porting my number, this isn't even a new contract, my boss from my old job bought the phone for me outright as a christmas pressie so it is a direct swap.
Hi.
Galaxy Nexus, 4.2.1, bot unlocked from amazon about 6 months ago.
On dec 2nd signal just went off. So no calls nor receiving can be done. While mobile internet is still ok.
Network is giffgaff, running through O2 - UK.
Taking this sim to other phone - works fine.
Support from giffgaff said that everything is perfect on their end.
Putting any sim in this phone, shows same issues - no signal, but there is mobile internet.
Checked status of IMEI, and it says in online services that phone is unblocked.
I have tried on/off airplane mode, restarting, taking battery off for a while, with sim in and out, as well did factory reset - still issue is here.
It is unrooted, just original rom.
Going to settings > mobile networks > network operators > I select any network and it says: "Can't connect to this network at the moment. Try again later.". Same when choose automatically.
It allows to do emergency calls, and in status bar shows: "emergency calls only | giffgaff".
In About Phone section, network is "O2 - UK" as suppose to be, Signal strength "-101 dBm 7 asu", mobile network type "HSPDA:8", service status "Out of service", Roaming "Not roaming".
Please ask any questions if any additional information is needed.
King regards.
I am looking forward to anyone to try assist with this issue, and kin to help.
Contact your operator for change your sim, it happens to me this summer, my Sim card was working well with other phones but with my Gnex everything was disabled. Then I've received my new Sim card and everything is working well
Sent from my Galaxy Nexus using xda premium
Man_u said:
Contact your operator for change your sim, it happens to me this summer, my Sim card was working well with other phones but with my Gnex everything was disabled. Then I've received my new Sim card and everything is working well
Sent from my Galaxy Nexus using xda premium
Click to expand...
Click to collapse
Then other SIMs would work well. But inserting any SIM in this phone - doesn't work for calling. Only mobile internet.
mrmoka said:
Hi.
Galaxy Nexus, 4.2.1, bot unlocked from amazon about 6 months ago.
On dec 2nd signal just went off. So no calls nor receiving can be done. While mobile internet is still ok.
Network is giffgaff, running through O2 - UK.
Taking this sim to other phone - works fine.
Support from giffgaff said that everything is perfect on their end.
Putting any sim in this phone, shows same issues - no signal, but there is mobile internet.
Checked status of IMEI, and it says in online services that phone is unblocked.
I have tried on/off airplane mode, restarting, taking battery off for a while, with sim in and out, as well did factory reset - still issue is here.
It is unrooted, just original rom.
Going to settings > mobile networks > network operators > I select any network and it says: "Can't connect to this network at the moment. Try again later.". Same when choose automatically.
It allows to do emergency calls, and in status bar shows: "emergency calls only | giffgaff".
In About Phone section, network is "O2 - UK" as suppose to be, Signal strength "-101 dBm 7 asu", mobile network type "HSPDA:8", service status "Out of service", Roaming "Not roaming".
Please ask any questions if any additional information is needed.
King regards.
I am looking forward to anyone to try assist with this issue, and kin to help.
Click to expand...
Click to collapse
Based on this info, I suspect your radio simply died. You could of course try to reflash the radio firmware yourself, but I would not get my hopes up.
Petrovski80 said:
Based on this info, I suspect your radio simply died. You could of course try to reflash the radio firmware yourself, but I would not get my hopes up.
Click to expand...
Click to collapse
Thanks for info. I thought about that as well.
So would it be the option if I have bought the device from amazon, to use their RMA services - they should replace device.
Is that right?
Thanks for helping out.
Hello there, I'm in need of your help again.
My SGH-M919 has a problem, it cannot connect to 3G/LTE (Not even EDGE). My carrier uses the 850 mHz band for GSM and 1900 mHz for UMTS, so the phone should be able to use them. The thing is, it doesn't. It only connects to GPRS and the signal is very erratic and weak (Usually 2-3 bars). Sometimes I get SMSs from my carrier saying that I missed like 5 calls when my phone never rang once. I live in a zone with good 3G coverage, so it's not the signal.
I'm currently rooted on Android 4.4.4 (NH7). I already tried selecting "1900 WCDMA" in the *#2263# service menu but that only causes the phone to lose all the signal (And it's a problem to change it back, without signal the service menu doesn't work and I cannot change the Network Mode in Settings).
I've tried to select "WCDMA only" mode before, but my signal just goes to zero (The circle with the slash) before changing back to "LTE/WCDMA/GSM (Auto connect)" automatically.
I also cannot use the Network Operators option. Using "Search now" makes it search for a few seconds before showing the message "Error while searching for networks". The "Select automatically" one shows the message "Unable to connect. Try later" and then connects back to my carrier (Movistar)
My APNs are configured (They did it themselves when I inserted the SIM, but I've configured them manually before). The SIM card works, I tried it in another phone and it got 3G immediately, I also tried another SIM card on the GS4, but the result was the same. Someone told me to upgrade to the latest firmware (NK2) while someone else told me to flash the MDL modem. (Is that even possible? I read something about KNOX blocking all downgrades after 4.3).
Since I couldn't find any direct solution to the problem, I'm recurring to you.
Thanks.
P.S: I didn't change the LTE Band Preference option in the Service Menu because the last time someone messed with it, my IMEI/Baseband went completely nuts, I thought the EFS got corrupted, but they magically appeared everytime I enabled the Airplane Mode (So I was able to select Automatic in the ServiceMenu and they got fixed). Also, I don't live in a LTE area although once during a very strong thunderstorm, I got 4G for a few minutes before going back to G).
*bump*
Any ideas?
Did you put a check mark in data roaming?
Shortbus-Driver said:
Did you put a check mark in data roaming?
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Click to collapse
I've tried with and without it, it doesn't make a difference anyway.
Does it show you have an ìmei # other than all zeros?
Don't post it just a yes or no.
Shortbus-Driver said:
Does it show you have an ìmei # other than all zeros?
Don't post it just a yes or no.
Click to expand...
Click to collapse
My IMEI is fine, the phone connects to the carrier network but it stays on GPRS (and the signal is always dropping)
Update to full NK2 firmware and see if that will fix it
serio22 said:
Update to full NK2 firmware and see if that will fix it
Click to expand...
Click to collapse
I'll try that later. Will I have to re-root and re-install TWRP after flashing NK2?
I have a similar problem with my M919 on the Tmobile network. Using the *#2263# menu I can not get mine to work on WCDMA (4G) either. I can chose GSM /LTE only and my phone works normally but no 4G signal. If I chose WCDMA I get no signal. I can see it trying to connect and immediately dropping the signal. If I choose any option with WCDMA included it has erratic signal and will lose the signal most of the time when I try to make a call. So basically I have the choices of GSM only or GSM/LTE only. Before I discovered the secret menu I was stuck with GSM only in the phone's settings. This has been going on for months. Tmobile changed my SIM card and it didn't help. I've rooted and unrooted my phone (using autoroot) and even tried different modems (even worse signals) and now am back to stock rooted NK2 firmware and modem. I have given up and decided to get another phone (not an S4). My wife's S3 gets great 4G signals in the same location by the way. I wonder if anyone knows why our phones can't use 4G. I am beginning to think it's a hardware problem but I'm way out of warranty on mine.
Hey guys, just unwrapped my new N5x and popped in my sim card. Yet for some reason I can't make or receive any calls!
Calls to me go straight to voicemail, and when making an outgoing call it either immediately says call ended or after a while says network unavailable.
The strange thing is that the entire time I'm connected to LTE (full bars) and data works fine (I can use chrome), and I can even send and receive SMS!
It's been like this straight out of the box. I reset the network settings, then factory reset the device, then upgraded to 6.0.1, rinsed and repeated with no luck.
Probably related: I tried setting the phone from LTE preferred to 3G or 2G but it still says connected to LTE. Even did it manually from the *#*#4636#*#* and nothing changed.
I'm using HOT Mobile in Israel and the American version of the phone. All bands are here are supported.
Any thoughts on how to proceed?
Do US specifc models of phones normally work fine in Israel?
I know I had these symptoms when I managed to accidentally swap my UK model to use USA bands. Only potential difference is that I don't think SMS worked for me.
If someone more knowledgeable knows where the "Network settings reset" pulls values from and to, that might help.
Or which partition holds the data that makes a US phone a US version and an EU phone an EU version (assuming it isn't hardware), we could potentially flash stuff.
Yeah they do. I have a friend with a 5x and his phone is working fine. :/
Check your apn settings, re add them again to test.
Maybe your network do not support lte calls, try it on 3g. This was my solution even thought my network supported volte and worked on s6 but not on my 5x.
I see you tried the 3g option, my problem was another app causing the conflict between lte and 3g. Able to source for another spare sim to try?
I deleted the apn settings - no luck. tried 2 different service providers and same results with both
I havnt installed anything yet and wiped the phone to be sure. Could a stock app be causing the conflict? How can I check?
did you try having your friend put his sim in your phone and yours in his to see if it works?
Yep - he's on the same service provider that I am. Didn't work. Also tried a Sim card from a different service provider.
Here is a solution if you still need it http://forum.xda-developers.com/showpost.php?p=64023143&postcount=10
I am from the Philippines and I bought a used S6, when I checked model name in settings prior to buying it it showed SM-G920F. I wanted to update to 6.0 though so I looke up some stock roms on SM-G920F however I just keep getting an error. Thats when I found out, in download mode that what I really have is a SM-G920P which is locked to Sprint.
It recognizes my sim fine as I do have a signal but initially I cannot send a sms nor do I have a mobile data. I have resolved tthe sms issue by going to mobile networks in settings and flipping my preferred network from cdma/lte to automatic. That resolved my mobile data issue as well as I now have internet on my except but no hotspot or the mobile data icon in notifs.
Im ok with both functions usable now but my main problem is even if I do see a signal, I cannot ever make a single call. Once I dial a nimber it will show it is dialling then after a few seconds signal will go out and then dialling will stop with a message No sim.
Any tips? I am currently rooted and with the software version G920PVPS4CQA2. I have twrp recovery and busy box installed. I currently see SMART on the upper left side of my screen which indicates my carrier signal.
Badly need your inputs on this. Thanks in advance to all of you!
Attached a screenshot of my home screen. As you can see, SMART is indicated on the upper left of the screen which is my carrier. This means my sim is being recognized. But I cannot evwr make a call.