Hi.
I have a Galaxy J7 2016 from South Korea. The issue that I am facing right now is that I get LTE data fine on my device but I cannot make or receive calls and messages. I am currently using Verizon. When I entered *#*#4636#*#* I was able to see that I was getting a Voice Network connection but the Voice Service I got was only Emergency only. I tried changing the radio band to the us which it said it failed. I tried changing the preferred network type which also didn't help. I think it might have to do with the fact that these phones are from Korea since my LG Q7 also had the exact same problem. What makes it weird is that it works fine an a more modern phone like my Galaxy Z flip which is also from Korea.
I currently have LineageOs 17.1. However, I also had the same problem on a stock samsung rom.
Thanks. Here is a screenshot.
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So I was seduced by this phone, I was hesitating between this one and the Xiaomi Redmi plus. The Redmi was a bit too big to fit well in my belt holster. The thing is, I didn't know that much about network requirements. I thought that if I have LTE, I'm all good, but I need 2G or 3G for calls !!!
I'm in Canada. Zero support for 3G, I then tested a few carriers and Rogers/Fido support the same 2G as my phone, so now I can make calls but I don't have LTE tower from Rogers here that is compatible with my phone (Band 7 only), so I'm stuck in 2G for data. I have full LTE speed with Bell, but no phone calls. I'd rather stay with Bell, but I need to activate VoLTE, the option is not there. I'd like to confirm that I can flash my phone with the patch (ref here https://forum.xda-developers.com/nexus-5x/themes-apps/enable-volte-flashable-nougat-phone-t3693152). Or should I wait for Oreo which should get to the phone in May ?
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Purchased a Note 20 Ultra SM-986U. It was unlocked by T-Mobile.
I use Cricket, which is an ATT MVNO. It generally will be "AIO" in Samsung CSC list.
I flashed the Note 20 to U1, and no matter what SIM I put in, it stays at TMB/TMB/TMB.
I have tried what I believed was the specific ATT firmware as well, but still, TMB/TMB/TMB, no matter what I do.
I saw someone post about this on reddit in the T-Mobile subreddit, but no answer yet.
Anyone have any ideas on how to get it to change?
Without that, I'm stuck with no 5g, volte, or wifi calling. I'm basically stuck with a Tmobile device...
Hello, you could try *#272* your IMEI #... you can select your CSC.. Be warned .. It could wipe your phone.
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Good luck
Just received this notice that I have to replace my LG V60 Unlocked ATT variant by July 1st 2022
Apparently, the ATT version of VoLTE does not work with TMO
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Or they just dont recognize your device as being compatible, but it will be fine. Try this. Turn off 5g. While connected ONLY via cellular, place a call. Leave the call connected. Perhaps call a friends phone or some such. Now watch a long you tube video. LTE phones without VOLTE cannot support data and voice at the same time. When you place a voice calls they fall back to 3g for the voice calls and drop the data connection. Of you can stay connected to lte and watch the streaming video while talking on the phone at the same time, VOLTE is working.
S10E(SM-G970U) I got it second hand from the Singapore market ( I Live in Indonesia)
at first, the sim working perfectly fine I can call and use internet form mobile data. Suddenly I got an error pop up Not registered on network when I want to call.
I already tried Reset Network, Try to select network operator manually, Clean the Sim card. still got the error
But if I tried the Sim card on another Smartphone it's working fine. Do you think it's a firmware problem or a hardware problem?
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Your firmware is old and may not be right for your location. So you could try using Odin to update it with firmware from a site such as sammobile.com. If that fails to resolve your issue, then some hardware problems can be temporarily cured by placing your phone in a refridgerator for about 10 or 12 minutes.
Hi All.
Let's assume I have two SIMs on phone.
SIM1 corresponds to roaming, the carrier supports VoLTE and VoWiFi so I can easily enjoy home pricing for calls and messages as soon as I have WiFi.
SIM2 corresponds to local provider and allows to have access to 4G internet for quite cheap price.
The task is to make SIM1 working using SIM2 internet in the places where WiFi is not available.
This approach sometimes is called as "pseudo-VoWiFi" and works on iPhones and latest Samsung phones with One UI 4.
My question: is it possible to realize such pseudo-VoWiFi on any Android phone? For instance, now I have two network interfaces:
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Is there any way to forcely push routes to IMS service to use rmnet0 rather than swlan0 to make VoWiFi working with mobile internet?
Any suggestions/ideas on this?