i am looking into the dropped call issue on t-moble/metro. i do believe when the phones power saving kicks in after being idle it causes the phone calls to be dropped. i do not know how we could fix that, but if there is a way to get around that the help would be appreciated. and/or would entering manually the metro APN help at all as i am on metro
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I'm having issues with calls and texts on T-mobile since this morning. Whenever I place a call the phone sometimes takes 10 seconds to ring, rarely it'll go straight to voicemail, and more often the call won't go through at all, the call will just drop.
If I myself end the call I lose any sort of connection, no 2g no 3g no LTE; I checked settings/about/network and Cellular Network Type gets stuck on UMTS. When this happens I can't call nor can I send messages, the redundant fix that I have to do to fix LTE and get messages working again is to go into: settings/mobile data/network operators and register automatically again, this always gives me LTE and messaging back, and sometimes calls, sometimes.
On the other end, when people call me, I noticed that the phone will go into 4g or H which is the same thing I believe. However, calls don't come through, it either goes straight to voicemail or it'll ring once or twice then go straight to voicemail. Also when it rings on their end, I can't hear it on my end, phone is silent.
This has happened on 4 roms Eragon, NusenSeven, Stock GP Edition and Insert Coin,
The phone is rooted and s-off
HBoot: 161
7.19.401.2
If anyone has the same issue or know a fix, please let me know, it's getting a tad bit annoying.
Hoping It could be the sim card, Thank you, much appreciated
Edit: Apparently T-Mobile was having issues in my area. Surprised it was out for 3 days.
Hello,
I need help diagnosing whats going on with my HTC desire 626s. The phone is unlocked, rooted, and has TWRP installed.
Problem: I can't make calls while I'm at my home. I have excellent signal strength being I'm within visual range of the cell tower.
The phone has always worked at my home in the past then about a two months ago I wasn't able to make or receive calls. The internet works fine, and texting works fine. When I try to make a call nothing happens then there is a beep and the phone says call ended. This is an unlocked phone on att go phone service. After this issue started I called att and created several trouble tickets and every time they state the service is working fine. When the phone was working normally during calls the 4gLTE indicator would swap to 4G and make calls on an hspa network. After att was unable to fix the issue I bought a new sim card. For a month I was able to make calls just fine but then on Halloween night the problem came back. I highly suspect that someone is blocking my ability to make and receive calls. I need help from someone that knows more than me on how to diagnose exactly why the calls are not goign thru. I really need help. I have swapped the sim card into a new phone was able to make a call or two then the service was again unable to make or receive calls. I just need help on how to diagnose exactly whats stopping the calls from going thru. Thank you.
PS. Another att go phone works in the same location that mine does not so it is not a issue of the walls blocking the signal.
I am getting calls that go straight to voicemail. This does not happen all the time, but when it does there is no call log, just a voicemail notification. Searching the web and support calls to T-Mobile seems to indicate that it is because the Mate 20 Lite does not support VoLTE, even though the phone has the band support. When a call comes in, T-Mobile will try and drop the call from LTE to 2G/3G, fail and then send the call straight to VM. Cannot find a solution and it seems there are many people having this issue across many different brands of unlocked phones on the T-Mobile network.
Here is the odd part and why I think it might be the phone. I am getting insane battery life on the Mate 20 Lite. I charged the phone to 100%last night, went to bed and 8 hours later it was still at 100%. Last night I missed an important call that went straight to VM. No forwarders, call blocks, airplane mode etc. I also noticed that these straight to VM calls happen when the phone has been sitting/immobile for a while. Like the aggressive battery management is killing some service. This does not happen with a Xiaomi A2 that my wife is using.
BTW, I am connecting to band LTE band 4 and get near 40Mbps down when testing, so I assume I am getting 4G LTE.
The phone is still within the return window and if I cannot solve this, I have to send it back.
Anyone have a solution?
No solution. I have a similar problem where I live there is nearly no cellular reception and the only way to get calls is to be connected to WiFi which activates VoLTE / Voice over WIFI. Huawei Mate 20 Lite does not do it though. Why not?
I would like to share a peculiar trouble with my S10 that I purchased 8 days ago.
At my workplace, wherein I have been working for about ten months, I am now experiencing major trouble in calling with this phone - the person at the other end is never able to hear my voice properly - in every call!
But, outside of my workplace, this problem does not occur at all! Voice quality is amazing.
I went to the service center. One of the representatives immediately advised a factory reset and fresh installation of software from their system. I got that done, but the problem was still there. Very poor connection!
I went back and another representative gave me an advice which has solved my trouble magically! Now, the call quality is back to normal just like i get outide my workplace.
The advice given to me was to change the Network Mode from LTE/3G/2G to 3G/2G. He had said that this new phone has more bands than ever and that it is possible that my workplace environment does not support the new bands (sounds illogical). By the way, the signal bars still show 4G icon but not Volte/LTE like in the other network mode. (And my last phone, Mi 5, never gave me such a trouble)
Although the problem was solved, but i wondered that changing the mode from LTE to 3G will have a bearing on the data speed. I used Ookla speed test to determine that and yes, there is a major difference in download speed - it is less than half in 3G/2G network mode.
Can you please tell me if there is a trouble with my device harware or was the representative right?
LTE does require a much stronger signal than 3g and when you default to LTE the phone is probably just getting enough LTE to stay locked in to the signal. The LTE signal is getting knocked down in your building. Also HSPA+ will propogate better than LTE, even on the same bands.
Thanks for responding. In all this while I've done a lot of research. I managed to ask someone to come with their S10 to my office. The calls went through with this S10 without any hiccups whatsoever.
Also, I've been using the same network in this workplace on Mi 5 without any trouble. Also, there are many S9 and S8 users in my office. They have never had such complaints and they call on VoLTE.
Also, I tried two other networks and the problem persists.
Clearly, there is trouble with my phone. It is with the service centre now for diagnosis but they have been claiming that the problem lies with network in my area.
At the service centre there was another customer with Note 9 who complained of similar call drops but in random locations. The service centre simply did a fresh softwareinstall and sent him back.
My problem is that I will never be able to prove to them about call drops since the drops do not happen at the service centre.
I've had many occasions where I'm on the phone and the call drops. I try to pay attention to the screen as the 6T was pretty bad for that (I would face hang-up all the time) and it seems better with the S10 but I still get a fair amount of call drops. If I even attempt to hold the phone with my shoulder, it's almost guaranteed it will hang up as the proximity detector will enable the buttons.
Keep LTE enabled for data, but turn VoLTE off so calls switch to 3G/2G
Did you try to use a different sim card?
Hey guys, i'll start off by saying this is my first post, so go easy on me.
I'm currently running the oxygen OS pie beta 2 on my Oneplus 3T.
A couple of months ago, I had this weird problem pop up. People suddenly couldn't call me. And when I made calls, they say they can't hear me clearly at first and then after about 15 seconds, they can't hear me at all. The surprising thing is, I can hear them clearly on my side. I tried searching for solutions to fix microphone problems but that wasn't it. I thought it was SIM card problem and changed my sim. But the problem persisted. Then I wen't on to change to another carrier, which didn't solve the problem as well. I tried flashing havocOS thinking it might be a problem with oxygenOS, but still, same problem. By now I already know that it's a problem with the phone.
And then I tried switching the network to 2g only and viola. I could make and receive calls. However, data is super slow on EDGE (as expected). So after some time, I tried using 2g/3g automatic as the network setting (hoping the problem would have miraculously gone away). This time, the phone still couldn't make calls but it also got really hot. Sometimes to the point where it's too hot to touch the phone for long (no joke). So I immediately switched back to 2g only. I also tried 2g/3g/4g automatic and this allows me to connect to lte and the phone doesn't get hot but since my carrier has no VoLTE, I still can't make calls as the phone has to drop to 3g for calls. The phone takes a really long time to drop down to 3g and when it does, the calls still don't work and the phone gets hot.
So now i'm stuck on 2g only because I need to make and receive calls but data is just too slow to use. I hope I've given enough information. Any solutions?
Don't have a solution, but just a couple thoughts (shots in the dark, really):
1) What country are you located/what carrier do you use?
2) Does turning WiFi off make any difference? May not make a difference on this device, but I vaguely remember a while back someone having a problem with another device (and maybe a carrier specific issue) not dropping down to 2G for voice calls, and I think it only happened when WiFi was on.
redpoint73 said:
Don't have a solution, but just a couple thoughts (shots in the dark, really):
1) What country are you located/what carrier do you use?
2) Does turning WiFi off make any difference? May not make a difference on this device, but I vaguely remember a while back someone having a problem with another device (and maybe a carrier specific issue) not dropping down to 2G for voice calls, and I think it only happened when WiFi was on.
Click to expand...
Click to collapse
I'm from Malaysia and i'm pretty sure it's not a carrier problem. My sim works on my friends phone perfectly.
Nope, wifi didn't make a differene unfortunately.