I stumbled across this while playing around with AquariOS Pie, I assume it should work for most custom ROMs (I have only tested it on AquaiOS though), if you have Verizon (again, might work for other carriers, but I have VZW so that's what I tested), this should allow you to send/receive texts with LTE enabled, normally the phone should connect to 3G/1X for Voice and texts & 4G/LTE for data, but it doesn't for me.
The easiest fix I found is to just make a call to voicemail every time you boot, then it connected to both 1X and 4G and worked fine until I reboot.
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For example, I use Talkatone or Sipdroid for my phone calls so I don't want these apps to get briefly disconnected when i connect to a wifi network because i may miss an incoming call. Plus, since voice calls use such little data and I'm almost always have strong 4g signal, it seems like it would make sense to just keep calls on 4g all the time. It's also annoying if i'm at home in a call over wifi and need to go somewhere, then i have to call the person back.
Any ideas? I'm using an un-rooted Galaxy S3 t-mobile currently, but will probably root in the future if absolutely needed when i have the time to mess around with that (and when i'm not absolutely depending on this phone to be fully working following day).
Anyone? I've recently rooted my t-mobile s3. running stock rom.
I did a clean install of the latest Cyanogen Mod today and I'm having some issues. It says digital roaming (I know about the bug) but I do not have any data connection at all and I can't seem to toggle data on and off, it is displayed as constantly on on the taskbar. Also people are not receiving my texts messages but they are supposedly being sent out, I can receive theirs however.... Phone calls work fine as far as I can tell. I switch over to the stock ROM and everything works fine so I know its not some sort of Sprint outage. Anyone else experiencing this?
There is a thread for these questions here:
http://forum.xda-developers.com/showthread.php?t=2562672
EVOlved human
Hi, Hope you can help me solve a problem with my Samsung Galaxy S4 SCH-I545 --
When 4G/LTE mobile data is active:
- incoming calls always go straight to voicemail (the phone does not ring)
- I cannot make outgoing voice calls (it just sits there forever and the call never goes through). If I turn off the mobile data, the call will go through.
When I am on a voice call, I can turn the LTE data on, and everything works fine (both data and voice). I just can't initiate a phone call (or receive one) when mobile data is on.
I am usually also using the phone in Wifi-tether mode, and my provider is Straight Talk.
Please help
RashaMatt said:
Hi, Hope you can help me solve a problem with my Samsung Galaxy S4 SCH-I545 --
When 4G/LTE mobile data is active:
- incoming calls always go straight to voicemail (the phone does not ring)
- I cannot make outgoing voice calls (it just sits there forever and the call never goes through). If I turn off the mobile data, the call will go through.
When I am on a voice call, I can turn the LTE data on, and everything works fine (both data and voice). I just can't initiate a phone call (or receive one) when mobile data is on.
I am usually also using the phone in Wifi-tether mode, and my provider is Straight Talk.
Please help
Click to expand...
Click to collapse
Are you using the phone in global mode, LTE / CDMA or LTE / GSM / UTMS? Also, is the phone rooted or have a custom rom?
Illogi.xbone said:
Are you using the phone in global mode, LTE / CDMA or LTE / GSM / UTMS? Also, is the phone rooted or have a custom rom?
Click to expand...
Click to collapse
Global mode, LTE/CDMA
Rooted stock VRUFNK1 (4.4.2)
Xposed framework
It seems now that it's actually a little more complicated than I stated:
Initially (after boot) everything works as it should.
After some period of tethering, the issue appears (no voice calls while mobile data is on). At that point, I have to disable mobile data in order to place a voice call (though I can re-enable data as soon as the call goes through).
Or, if I turn the tethering off, that also seems to solve the issue for some time (even after I turn tethering back on).
I'm using the Wifi Tether Router app, but I'm pretty sure I also noticed this issue when I was using the ROM's built-in hotspot capability (which has other issues).
RashaMatt said:
Global mode, LTE/CDMA
Rooted stock VRUFNK1 (4.4.2)
Xposed framework
It seems now that it's actually a little more complicated than I stated:
Initially (after boot) everything works as it should.
After some period of tethering, the issue appears (no voice calls while mobile data is on). At that point, I have to disable mobile data in order to place a voice call (though I can re-enable data as soon as the call goes through).
Or, if I turn the tethering off, that also seems to solve the issue for some time (even after I turn tethering back on).
I'm using the Wifi Tether Router app, but I'm pretty sure I also noticed this issue when I was using the ROM's built-in hotspot capability (which has other issues).
Click to expand...
Click to collapse
Try putting it in global mode. I had an issue making calls when I had it in LTE / CDMA. Also, which xposed modules are you running? Which baseband are you using?
Has anyone found a way to use Cellular Data while on a phone call? (Verizon V30 without being on WiFi) I've found posts saying that turning off the Advanced Calling feature does get you 1X data service, which it does, but what about getting full 4G working? Anyone have similar experiences?
Thanks
I've never understood this.
I've been on calls and had emails come in. I've been on calls while using my hotspot with no issues.
So what am I missing?
I just tested mine, on a regular 4G connection here at work. Was able to dial into my VM and listen to all the playback, and then go play around on data as normal. Not sure what the issue might be going on. I haven't changed any call settings (other than enabled wifi calling at home).
Has anyone found a custom (AOSP, Lineage, etc) ROM that connects to Verizon on boot, and allows for text messaging?
Have you found an automatic method to maintain a connection upon boot? So far I have found, I believe, that if you install Verizon Security and Privacy, you will have a connection when you boot.. But it hasn't been consistent. I had the most success (so far) with the Havoc ROM.
There are issues with Sprint as well that is related to your Verizon issues. @SGCMarkus said he will be working on the device tree to address these issues once he has time.
https://forum.xda-developers.com/lg-v30/help/sprint-lte-data-issues-aosp-roms-t3927841
I found that if you make a call first, then your SMS/MMS work consistently, also Verizon Messages apk work most reliably for MMS