Yesterday morning I found myself unable to make outgoing calls on my Galaxy Note 3. Every call attempt sends me to my own voicemail. Text messaging and data work, the issue is just with voice calls. I've tried rebooting, clearing the cache and rebooting, hard and soft resets nothing works.
I brought into a Sprint store and they couldn't fix it so I went home and installed a stock ROM, When that didn't help I ended up calling Sprint tech support. After half an hour and multiple attempts by the Sprint phone tech I was finally told I needed to be transferred to Senior Tech. As I was waiting to be transferred the line went dead. I eventually did call Sprint again and they reactivated the phone as well as a few other things but still nothing has worked.
Today I discovered that the calls I am able to receive are only from other carriers and/or from landlines. All calls from Sprint accounts go straight to my voicemail just like my outgoing calls do. I called Sprint tech support again to update them and they were surprised to hear this.
Two different Techs called my phone from their offices to confirm and sure enough I answered. They had to clue hot to fix this.
To me this indicate it's a Sprint network problem and not a problem with my handset. Even changing my phone number wouldn't resolve the problem, in tech's opinion.
So they opened a support ticket but I am not optimistic this can be fixed. I'll give them a couple days to try but if they can't I'll be forced to close my account which, after 15+ years, is a shame.
I fixed it. Turns out Google Voice was causing problems. Sprint had to remove it from my profile. Phone works fine now.
I would have to say that, before you said anything about Google voice, it is a Sprint network issue. I know of a few troubled networks within Sprint. Also Samsung and Sprint are having issues with 5.0.1 and the S6 which is completely unrelated to this issue.
TL;DR: When an MMI command fails, is that the fault of the phone (firmware), phone configuration, or carrier?
Have a LG G6 (unlocked/rooted), activated it on AT&T with no problem. Ported my T-Mo number over, also with no problem. Went to the call-forwarding settings menu to make sure forwarding was set up for Google Voice , and got "call settings error: service unavailable". Following the prompts from GV setup, tried instead the MMI commands ("**004*1<GVnumber>#") and got "call forwarding Connection problem or invalid MMI code".
Hours later- 2 on tech support with AT&T, and another two of scouring the web (and XDA-dev) and nothing seems to help.
Some references to the Pixel 5X simply state it can't be done, and AT&T support needs to set it (and pray it doesn't unset). Others try futzing with the "*#*#4636#*#* " menu, which is handily disabled on my phone. One referenced the APN config screen, and comparing my phone to AT&T's recommended options I made a slight change; still doesn't work but appears to take longer to fail. I've tried swapping between mobile modes (Global/CDMA/GSM), turning off "Enhanced LTE services", finding region.... no help.
Since I can find on AT&T's site the helpful n00b guide FOR THE G6 that shows the phone Call -> More -> Additional Settings menu working, I'm assuming the phone itself is capable, and something is misconfigured... but what?
Can anyone explain how to get more logging, details, or anything that could hint at how to get this to work?
Just wondering if you ever got this resolved? I have same phone same issue.
I eventually got it escalated to a supervisor- from the conversation, far beyond a canned response from a support page. They were very confident that it was a firmware issue- that LG screwed it up. Since I unlocked my bootloader the legit way, I no longer get upgrades.
I bought a One Plus 6 (which has the same sim and feature near parity) so I could use that phone while I flashed a custom ROM or even stock image to try to call AT&T on that bluff.
The good news is with stock firmware (after unlocking/rooting, but no changes otherwise) all the MMS commands work perfectly, as well as the GUI in settings. So... yeah... looks like AT&T's network is in the clear, at least under most circumstances.
Someday I'll get enough time to breathe and flash over this image with the newest upgrades, and hopefully it will work. I just can't speak to if it is in the Radio ROM (which I assume isn't published) or the Android package itself. The more senior folks here may be able to chime in on this.
SomeRandomGuy said:
I eventually got it escalated to a supervisor- from the conversation, far beyond a canned response from a support page. They were very confident that it was a firmware issue- that LG screwed it up. Since I unlocked my bootloader the legit way, I no longer get upgrades.
I bought a One Plus 6 (which has the same sim and feature near parity) so I could use that phone while I flashed a custom ROM or even stock image to try to call AT&T on that bluff.
The good news is with stock firmware (after unlocking/rooting, but no changes otherwise) all the MMS commands work perfectly, as well as the GUI in settings. So... yeah... looks like AT&T's network is in the clear, at least under most circumstances.
Someday I'll get enough time to breathe and flash over this image with the newest upgrades, and hopefully it will work. I just can't speak to if it is in the Radio ROM (which I assume isn't published) or the Android package itself. The more senior folks here may be able to chime in on this.
Click to expand...
Click to collapse
And to be clear, the "work perfectly" was on the OnePlus, not the LG G6. The commands do seem to stick, though, as I can put the sim back in the LG and the call forwarding stuff stays in place.
I was a gifted an LG G5 RS988 and successfully unlocked the bootloader using the LG's dev site and installed TWRP 3.2.3. After that, I flashed Revolution Remix 5.8.5 (RR-N-v5.8.5-20171203-rs988-Final.zip from here) and open_gapps-arm64-7.1-micro-20181229, seemingly without issue.
Everything worked flawlessly except the cellular network. It'd show connected to LTE (data even works sometimes when connected), but when trying to place a call, will drop to no service. Incoming calls go to voicemail, showing service or not. Rebooting or selecting "choose automatically" under network operators will usually reconnect to network, but offers no improvement otherwise. Toggling airplane mode sometimes also reconnects, but same symptoms afterwards.
The SIM card works fine in a Zenfone 2, Galaxy S3, and another G5. The problem G5 still behaves the same using another active SIM.
Searching for similar issues, most seem to be due to the phone losing the IMEI while flashing, but *#06# reports the correct IMEI, so I'm not sure that they're relevant.
I tried reflashing stock from the "COMPLETE" 21b ZIP here, but sympyoms persist.
Tried to use LGUP to refurbish the phone with RS98810h_01_0303.kdz from lg-firmwares.com, but once it started flashing the firmware, it reported that the KDZ file doesn't support refurbish mode. Flashing as an upgrade worked, but had the same problems.
Flashing an unofficial build of RR 6.2.1 for the RS988 seemed to be working better. More consistent data, and could actually get calls through sometimes and receive texts, but would still lose service when calling and miss incoming calls.
I'm not sure what to do with it anymore and could really use some help. Thanks in advance!
This is a long shot, but did you ever figure out what was going on with your LG G5? I've got one (also an RS988) running LineageOS 18.1 that's been exhibiting very similar problems for several months. At first I thought it was a failing SIM card, but turned out not to be the case. I've even switched providers in the meantime, but it's still having the same problems. Any ideas?
Hey, I know it's been a bit, but I figured in case you hadn't figured it out I'd let you both know that this is probably because of the 3G network shutdown. You'll have to contact your phone service and see if your phone can use VolTE, and if so, whether or not you need a new sim card to do so.
I got unlucky - my LG G5 H831 is pretty much toast. :/ Under GSMA it could use texting and data only, but when they switched me to GSMT to try and fix the no-calling issue, the texting stopped working too, and now I can only use data. And they can't switch me back to GSMA, because it lists my phone as incompatible, which it technically is.
It's not a huge loss, as I mainly used VoIP services anyway, but it's still unfortunate.
(But the phone still works fine otherwise, and I'm going to continue to use it until it doesn't.)
Hello!
Can someone please help me with this?
Everything was fine until 2-3 days ago. When all of a sudden I was unable to send text messages or make phone calls. All the while I could access internet without any issues.
If I switch to 2G or EDGE for the Subnetwork, I can make calls and send SMS.
How can I fix this?
Could dropping the phone have caused this?
Dropping could certainly break something, of course, but let's assume that's not it.
What carrier? Is the phone officially supported by them (ie, IMEI matches the carrier)? Are you on their official ROM? Does/did your VOLTE work (before and after the "few days ago")?
Some carriers are switching over to VOLTE-only setups, so they may be testing that to see what works/doesn't before they make it final. In other words, maybe your phone is not "officially" supported by VOLTE on the carrier, which is why it's failing? Without VOLTE, I think text may fail as well (even if you're not actively on a call?)
That would be my first guess. In my case, for example, I was on a US998 phone (per IMEI) running VS996 on Verizon. Since the IMEI didn't match a VZ phone, they refused to say it was compatible (even though it worked fine for many years). The IMEI stuff is a bunch of BS, but that's a whole separate topic... but I wonder if this is what you're running into. It's the carrier's way to force you into "their" device, even though it's not any different from any other variant (when the proper ROM is installed).
schwinn8 said:
Dropping could certainly break something, of course, but let's assume that's not it.
What carrier? Is the phone officially supported by them (ie, IMEI matches the carrier)? Are you on their official ROM? Does/did your VOLTE work (before and after the "few days ago")?
Some carriers are switching over to VOLTE-only setups, so they may be testing that to see what works/doesn't before they make it final. In other words, maybe your phone is not "officially" supported by VOLTE on the carrier, which is why it's failing? Without VOLTE, I think text may fail as well (even if you're not actively on a call?)
That would be my first guess. In my case, for example, I was on a US998 phone (per IMEI) running VS996 on Verizon. Since the IMEI didn't match a VZ phone, they refused to say it was compatible (even though it worked fine for many years). The IMEI stuff is a bunch of BS, but that's a whole separate topic... but I wonder if this is what you're running into. It's the carrier's way to force you into "their" device, even though it's not any different from any other variant (when the proper ROM is installed).
Click to expand...
Click to collapse
Carrier texts should theoretically still work as they are "data". It's the "voice" part of VoLTE that won't work. That's why I can still receive carrier texts on my Galaxy Note 9 with AT&T -- which still has older firmware (so I can be rooted). A few months ago, I lost the ability to make/receive phone calls on my AT&T number when 3G towers were decommissioned in my area... But luckily I have Google Voice number, which also uses "data" (VoIP) so I make/receive all my Google Voice phone calls. (That's been my main phone number for years.)
However, I no longer can make/receive AT&T phone number calls -- which is fine. I switched Google Voice settings to data/Wi-Fi only instead of piggy backing on carrier phone number. Yet, I still receive AT&T texts, which is good because my bank insists on using a "real" (carrier) phone number for SMS security code confirmation.
Amer28 said:
Hello!
Can someone please help me with this?
Everything was fine until 2-3 days ago. When all of a sudden I was unable to send text messages or make phone calls. All the while I could access internet without any issues.
If I switch to 2G or EDGE for the Subnetwork, I can make calls and send SMS.
How can I fix this?
Could dropping the phone have caused this?
Click to expand...
Click to collapse
You are in Portland? What carrier are you using that still has 2G and Edge?
ChazzMatt said:
You are in Portland? What carrier are you using that still has 2G and Edge?
Click to expand...
Click to collapse
I'm with a company that uses T-Mobile towers. I connect just fine with 4G LTE, and get reasonably good speeds over it. But when I'm on 4G, I cannot make or receive calls or text. It says Emergency Calls Only.
So far, I've tried everything. I resettled network. I looked for different APN values that may fix the issue. When I couldn't think of anything else, I did a factory reset. (I mean, I wiped Data, and all other partitions in TWRP except for System and SD Card.) There have been no changes.
I'm starting to think the issue may be hardware, I did drop the phone a couple of times the day it stopped working. Though I usually end up dropping the phone once a day or every two days. I can't believe the screen hasn't cracked yet, at all. Could a drop from 3-4 feet on hard surface like tiles damage the antenna in such a way that only 4G data works?
I'm ready to give up and buy a new phone even though I can't really afford it. It would be awesome if I can get this to work.
schwinn8 said:
Dropping could certainly break something, of course, but let's assume that's not it.
What carrier? Is the phone officially supported by them (ie, IMEI matches the carrier)? Are you on their official ROM? Does/did your VOLTE work (before and after the "few days ago")?
Some carriers are switching over to VOLTE-only setups, so they may be testing that to see what works/doesn't before they make it final. In other words, maybe your phone is not "officially" supported by VOLTE on the carrier, which is why it's failing? Without VOLTE, I think text may fail as well (even if you're not actively on a call?)
That would be my first guess. In my case, for example, I was on a US998 phone (per IMEI) running VS996 on Verizon. Since the IMEI didn't match a VZ phone, they refused to say it was compatible (even though it worked fine for many years). The IMEI stuff is a bunch of BS, but that's a whole separate topic... but I wonder if this is what you're running into. It's the carrier's way to force you into "their" device, even though it's not any different from any other variant (when the proper ROM is installed).
Click to expand...
Click to collapse
I'm on T-Mobile towers with the US998. I don't think there is an issue with IMEI. How would I connect to data with 4G if that was the case?
I never had Volte on this phone. I do recall seeing it when I first got it but I'm running stock rooted Android 9.
When I say it used to work a few days ago, I mean it just stopped working at one point. I wanted to make a phone call, and all of a sudden, I couldn't. I noticed then that it says Emergency Only sign, so I walked around the house for about 15 mins to try to get signal. Then I went to my car and drove around, but nothing.
I messed around with Network settings, and figured out that Voice and TXT worked when I switch to a lower 'Sub-Network' setting that says, "GSM / GSPR / EDGE Only".
To get 4G Data back, I have to switch it back to "LTE/Legacy 3GPP multi"
These two are found under "GSM/UMTS Settings", after clicking on "System Select" in "Mobile Networks ".
I want to also mention that my carrier website has been talking about a data migration that would affect phones using their old SIM Card.
When I saw that, I called them and had them send me a new SIM. I thought surely this must be it, but the new SIM works exactly like the old one.
Perhaps the migration or whatever it is they did that required new SIM cards just doesn't work well with my phone? Even though, before putting the order in, the rep I spoke to did check my IMEI and said that my phone is compatible.
Agreed, it doesn't sound like an IMEI issue.
FWIW, I showed a 4G connection on a phone (I don't remember if it was my V30 or a Galaxy S10+ that I was going to replace it with). On that phone, at one point, but there was no actual connection. So, the indicators aren't always accurate. That's why I thought maybe the data isn't really working, and if data isn't working then VOLTE won't work... and with many of the carriers switching off non-VOLTE calling, that could kill the ability to make calls?
In your case, you said data worked... but if VOLTE was never enabled, and the carrier dropped non-VOLTE, then, again, you may lose calling.
In any case, these were my theories. I think you're on top of the situation but I don't have any other ideas for you to try...
Instead of buying a new phone, have you considered installing and setting up Google Voice, as ChazzMatt said? I recently had to do that because AT&T's 3G shutdown meant that I could no longer place or receive calls. My quick guide on doing that is here: https://forum.xda-developers.com/t/...-based-custom-roms-when.4138223/post-87342453
I don't know why you can't also send or receive texts, but the Google Voice app has the ability to do that, so maybe try using that after you've set it up.
Amer28 said:
I'm on T-Mobile towers with the US998. I don't think there is an issue with IMEI. How would I connect to data with 4G if that was the case?
I never had Volte on this phone. I do recall seeing it when I first got it but I'm running stock rooted Android 9.
When I say it used to work a few days ago, I mean it just stopped working at one point. I wanted to make a phone call, and all of a sudden, I couldn't. I noticed then that it says Emergency Only sign, so I walked around the house for about 15 mins to try to get signal. Then I went to my car and drove around, but nothing.
I messed around with Network settings, and figured out that Voice and TXT worked when I switch to a lower 'Sub-Network' setting that says, "GSM / GSPR / EDGE Only".
To get 4G Data back, I have to switch it back to "LTE/Legacy 3GPP multi"
These two are found under "GSM/UMTS Settings", after clicking on "System Select" in "Mobile Networks ".
Click to expand...
Click to collapse
There's been reports T-Mobile which is now merged with Sprint has borked the ability for VoLTE/VoWiFi calling on US998 firmware phones (native or Frankenstein'ed). Apparently they only allow it now on T-Mobile H932, whereas pre merger they were happy to give VoLTE and voWi-Fi calling to "US998" phones
First, it was reported with new SIM cards they were distributing earlier this year. Then people who kept their old SIM cards found they didn't work after a forced "security update."
This seems to have also trickled down to the T-Mobile MVNOs.
This is why we told someone else recently they should probably convert their phone from US998 on T-Mobile to Verizon VS996 firmware.
Then get a Verizon sim card or Verizon MVNO SIM card, and activate it in an old cracked screen Verizon phone off eBay, then put that already-activated SIM card into their "VS996" V30.
They will have VoLTE and VoWi-Fi calling.
Alternatively, if you really want to stick with T-Mobile network, you can do what @osprey00 suggested -- which is get a Google Voice number and use it as a tool to forward your carrier calls to it.
You can read his post, see his experiences, and see if this would apply to you.
For ME -- I've been using Google Voice for the past 10 years as my main phone number. I ported my carrier phone number at the time to Google Voice. Then got throwaway carrier numbers (whoever had cheapest plan) but never gave those to my friends. To my friends nothing ever changed. I've had the same "number" for the past two decades.
But within the past couple years, I had to start giving my bank and my cable company my carrier phone number for SMS security codes. Very annoying, because in the past they used my Google Voice number to text me with no problem.
So, even though under my current firmware (on my rooted Note 9) I cannot get carrier phone calls, I still have LTE data. And with the LTE data, I can use Google Voice (calls and texts) because it's VoIP. I also get AT&t carrier texts, as that is also data. It's just AT&T phone calls I cannot send or receive.
AT&T deactivated the SIM card in my native US998 V30+ and sent me a replacement phone, which is a Samsung Note 9. I'm staying with AT&T for a reason. Otherwise I would probably pull the "V30" Verizon trick also.
I bought both my wife and my elderly mother 64GB V35 phones -- which is basically an upgraded 64GB V30. (They previously had native US998 V30.) AT&T gives V35 VoLTE and WiFi calling, and for them there was nothing new to learn.
ChazzMatt said:
There's been reports T-Mobile which is now merged with Sprint has borked the ability for VoLTE/VoWiFi calling on US998 firmware phones (native or Frankenstein'ed). Apparently they only allow it now on T-Mobile H932, whereas pre merger they were happy to give VoLTE and voWi-Fi calling to "US998" phones
First, it was reported with new SIM cards they were distributing earlier this year. Then people who kept their old SIM cards found they didn't work after a forced "security update."
This seems to have also trickled down to the T-Mobile MVNOs.
This is why we told someone else recently they should probably convert their phone from US998 on T-Mobile to Verizon VS996 firmware.
Then get a Verizon sim card or Verizon MVNO SIM card, and activate it in an old cracked screen Verizon phone off eBay, then put that already-activated SIM card into their "VS996" V30.
They will have VoLTE and VoWi-Fi calling.
Alternatively, if you really want to stick with T-Mobile network, you can do what @osprey00 suggested -- which is get a Google Voice number and use it as a tool to forward your carrier calls to it.
You can read his post, see his experiences, and see if this would apply to you.
For ME -- I've been using Google Voice for the past 10 years as my main phone number. I ported my carrier phone number at the time to Google Voice. Then got throwaway carrier numbers (whoever had cheapest plan) but never gave those to my friends. To my friends nothing ever changed. I've had the same "number" for the past two decades.
But within the past couple years, I had to start giving my bank and my cable company my carrier phone number for SMS security codes. Very annoying, because in the past they used my Google Voice number to text me with no problem.
So, even though under my current firmware (on my rooted Note 9) I cannot get carrier phone calls, I still have LTE data. And with the LTE data, I can use Google Voice (calls and texts) because it's VoIP. I also get AT&t carrier texts, as that is also data. It's just AT&T phone calls I cannot send or receive.
AT&T deactivated the SIM card in my native US998 V30+ and sent me a replacement phone, which is a Samsung Note 9. I'm staying with AT&T for a reason. Otherwise I would probably pull the "V30" Verizon trick also.
I bought both my wife and my elderly mother 64GB V35 phones -- which is basically an upgraded 64GB V30. (They previously had native US998 V30.) AT&T gives V35 VoLTE and WiFi calling, and for them there was nothing new to learn.
Click to expand...
Click to collapse
I think it was a hardware problem, honestly.
No matter what I did, I even tried different ROM to ensure I didn't mess around with root settings and somehow enabled or disabled something that I should not have. I tried flashing stock radios, and no, nothing would fix it.
I took my brothers phone to see if the SIM card would work with his phone, an unlocked Google FI phone. As soon as I installed the SIM, and booted up the phone, I could tell it was working perfectly even on the lock screen. Right away the status showed the name of the wireless company, and active 5G data icon on the status.
I must have damaged the internal radio or the LTE data modem when I dropped the phone last. The screen of the phone never broke even though I dropped the phone countless times, though the back glass has cracked lines all over even if the surface is still smooth and the phone continued being waterproof (I tested).
Anyway, I have since bought a new phone and the Data/Text/Talk all work perfectly on it.
I'm not sure what I'll do with this phone, as selling it wouldn't be ethical. And I doubt anyone would buy a phone with the warning that service may not work.
Ah well, I may just keep and use it as a test device.
Thanks to all who tried to help.
Amer28 said:
I think it was a hardware problem, honestly.
No matter what I did, I even tried different ROM to ensure I didn't mess around with root settings and somehow enabled or disabled something that I should not have. I tried flashing stock radios, and no, nothing would fix it.
I took my brothers phone to see if the SIM card would work with his phone, an unlocked Google FI phone. As soon as I installed the SIM, and booted up the phone, I could tell it was working perfectly even on the lock screen. Right away the status showed the name of the wireless company, and active 5G data icon on the status.
I must have damaged the internal radio or the LTE data modem when I dropped the phone last. The screen of the phone never broke even though I dropped the phone countless times, though the back glass has cracked lines all over even if the surface is still smooth and the phone continued being waterproof (I tested).
Anyway, I have since bought a new phone and the Data/Text/Talk all work perfectly on it.
I'm not sure what I'll do with this phone, as selling it wouldn't be ethical. And I doubt anyone would buy a phone with the warning that service may not work.
Ah well, I may just keep and use it as a test device.
Thanks to all who tried to help.
Click to expand...
Click to collapse
tried a rom on a j7 2015 because android 6 is going to be left and I only get emergency calls on lte and on 3g, no problem. It's not imei problem maybe exynos processor. I went back to 6.0.1 and no problem with 4g lite. By the way, I'm not in the USA.
Hi everyone. Last month, I bought a network unlocked Xperia 1 J8110 from a UK vendor for use here in the US. It arrived in excellent physical condition and is from a reputable seller with thousands of phone sales, so not just some random person. I checked behind them, and this phone is for sure network unlocked (see attachment) and from what I've read online, it should work in the US. I've owned plenty of UK phones from other brands and they worked fine here.
The trouble is, I have not been able to get this thing to work with any carrier! I’ve now tried Ultra Mobile (T-Mobile’s network), AT&T, and now US Mobile (Verizon’s network). When I plug in a SIM card, the phone recognizes it and reboots. However, after going through the activation process, I never get any 3G, 4G, or SMS functionality. This is ironic as I have Verizon and T-Mobile towers literally behind my house.
The furthest I got was with AT&T, which received the welcome SMS and showed full bars on network signal. However, the phone kept asking me to “Sign in to network” like it does with WiFi but there was no way to do that. This was after doing the full activation with AT&T, giving them my IMEI, receiving a phone number, a confirmation email and everything. With Ultra, I got the welcome SMS from them but was never able to send my own or do calls in either direction. With US Mobile, it does literally nothing. Wi-Fi and Bluetooth work fine, and I’ve checked for obvious stuff like airplane mode being on.
I then figured I’d see if maybe flashing a version of the J8170 firmware would help. I used NewFlasher to flash the “J8170_Customized US_55.2.E.0.165-R7C” as downloaded off of XperiFirm, which was successful. But it’s made no difference. The only issue I’ve seen others report online is that VoLTE might not work with international phones, but I can’t make calls or send texts period.
Can anybody think of what the root of this problem might be? I’ve tried to figure this out for myself, but I’ve reached a dead end in my searching online, maybe I’m just not choosing the correct keywords. Please let me know which other screenshots or other information is required and I’ll post them. I will be so thankful for any input at all. I appreciate it.