GSM problem - MDA, XDA, 1010 Software Upgrading

I unlocked SX56. But my phone work unstable. When i turn phone on then i only perform one or two calling. Similar, I only receive one or two income calling. Please tell my why?

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Sim updates from Orange UK - 3G no longer works for calling

Hi All,
A little while ago on my Nike (Orange UK) my phone stopped working - can't call out or recieve calls I just get a text message telling me I have a missed call. My callers report going directly to voicemail.
I can still get data (internet and email) and sms and I still get a 3G logo with full strength at the top.
If I switch to explicitly GSM band (as opposed to Auto or UMTS(WCDMA)) through the phone options, everything works as normal again.
I wonder if this is due to putting my 3G sim in my old M600 for a while and an Orange operative sent me some sim updates to allow the 3G sim to work in my old phone. Perhaps this somehow disabled 3G callin/callout support when I went back to my Nike?
When I put this to Orange they don't have a clue what the hell I'm talking about and just suggest a handset replacement which I am less than keen to do.
What is the tecnical name for the "sim update" process called? Does anyone know spacificly what command Orange might have sent to my sim? Perhaps if I can talk to them in their own language they'll be able to help me further.
Thanks peeps!

Not receiving calls on Hermes, but still on other phones

Hallo,
I have a world-wide gsm version of the htc Hermes. The device is simlock-free and always has been. I put the official, albeit leaked, WM6 rom on it and it works great. But: last week I switched providers (for better data plans) and here is the result:
Data connection works just fine
SMS works just fine
But, I can hardly make calls and I don't receive any. The problem is not the network, because I switched phones (I put my SIM in a €26 SamSung phone which I use when I go camping) and I receive all of the calls. When someone calls me, they hear silence for about 30 seconds and then end up with my voicemail.
Any ideas as how to solve this? Both my old and new carrier are GSM. The only difference between them is that my old carrier (Belgium, Proximus) uses has a 3G/HSPDA network whereas my new carrier (Belgium, MObile Vikings; uses the network of BASE) has an EDGE network. Both operate on Dual Band.
EDIT: Would a radio upgrade do any good? If so, any suggestion for a radio version?
Thank you!
Come on, 80 views and no reply. Someone must have had an idea!
I did a radio upgrade (1.48-> 1.50) but that didn't solve the problem. Any other ideas?
I have TyTN and similar problem. Installed WM6, and worked fine for a 6 months. Few days ago problem (Strange?) started. I have GSM signal, I can make calls, I can receive calls from fixed lines and other GSM operators, but I can't receive calls from users of my domestic network?!? They get info Connection error? Please, HELP.
Also, when I ask request service for Call Barring I get info "Can't read specified service..."
Change the Sim
Long shot but have either of you thought to get a new sim from your current provider (port your number across if necessary) and see if that works?
WB
I've changed SIM card, it's still same problem! But, with a SIM card of other mobile operators I have no problem.
kris1975 said:
I've changed SIM card, it's still same problem! But, with a SIM card of other mobile operators I have no problem.
Click to expand...
Click to collapse
Sounds like a problem that's related to the network provider you are using. Have you chased down their technical dept for help? All else fails, move providers.
Once had a problem where I could not get mobile signals at home but could everywhere else. Turned out my service provider had issues with broadcasts to the cell near me.
They fixed it and gave me my charges back equal to the time the system had been out.
Good luck with it.
WB

Using wi-fi calling on a G900A on T-mobile

I just now switched from AT&T to T-mobile because I finally got sick of AT&T for various reasons including very high prices. The network lock is removed. How can I get wi-fi calling to work on this phone? When I try to enable it, I get "To enable this service you must confirm your emergency address.". Then I see "Wi-Fi calling lets you make and receive calls over Wi-Fi with your AT&T account. When you use Wi-Fi Calling, information about the country where the Wi-Fi connection is made will be sent to your carrier. Learn more about Wi-Fi Calling.". The last two words are a link to https://m.att.com/shopmobile/wireless/features/wifi-calling.html?referrer=. It seems there's a hangup of AT&T versus T-mobile. What should I be doing to get this working?
In case anyone is wondering, this particular phone is being used because it must be kept unrooted. I have a G900T that has been rooted.

LG V20 H918 Phone Calls Not Working

I have installed the Official Android 11 Lineage OS for the H918 and the data seems to work for like the internet like surfing the web or sending texts, but phone calls seem to not work. Is there a preferred work for a T-Mobile network or any configurations to get the phone calls to work. When I start a call, the LTE full bars turns to Zero Bars with an x next to it and it says "Mobile Network Not Available" and then the data switches off and then back on and it's quite annoying. Can someone assist me?
morrisonantoine25 said:
I have installed the Official Android 11 Lineage OS for the H918 and the data seems to work for like the internet like surfing the web or sending texts, but phone calls seem to not work. Is there a preferred work for a T-Mobile network or any configurations to get the phone calls to work. When I start a call, the LTE full bars turns to Zero Bars with an x next to it and it says "Mobile Network Not Available" and then the data switches off and then back on and it's quite annoying. Can someone assist me?
Click to expand...
Click to collapse
mention this in the los 18 thread
Sounds to me like it might be a VoLTE problem. What carrier are you using the phone with?
I'm using T-Mobile
morrisonantoine25 said:
I'm using T-Mobile
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Click to collapse
It really does sound like a VoLTE issue. Have you successfully used a previous build of LOS on this phone on T-Mobile? T-Mobile is going to be killing its 3G network, and if this is a new phone, it may not have been whitelisted. I had this issue with a new H918 on AT&T. When I bought my new H918 I pulled the SIM from my old H918 and inserted it into my new one to verify that the new phone was unlocked. This caused AT&T to send me a message saying my new device couldn't be registered on their network along with a propaganda message about their constant improvements to their network. What it really meant was that my phone wouldn't do VoLTE on their network, and they weren't allowing new non-VoLTE-capable phones to be registered on their network. Unfortunately, they also blacklisted my old H918. So, I had to call AT&T to get them to whitelist my old phone. I'm still setting up my new H918 as my old one has a microphone problem, and I'll use the new one until 01/2022 when AT&T kill's their 3G network. This all a long-winded way of saying you may being having this issue with your phone and T-Mobile.
I'm setting up my new H918 with LOS 17.1. I chose 17.1 because it has been out for a while, whereas 18.1 just came out, so it's too bleeding edge for me. Perhaps you should try 17.1 instead?
Annoyingly, it appears that the LOS developers may have dropped 17.1 support as there hasn't been a new build of it in three weeks. I guess we'll know for sure once the next security update comes out for AOSP.

Lumia 950XL Single Sim after network dropped 3g.

I purchased a brand new 950XL Single Sim to still use on Puretalk an ATT carrier. Strange it only drops call and will not call out? I have a prototype 950XL ss that makes calls with the same sim. The prototype is stuck on a really old version of Windows Phone.
The new phone I purchased took the entire day to update to the latest release and refuses to make a call. Texting works fine.
Any ideas?
maximum56 said:
I purchased a brand new 950XL Single Sim to still use on Puretalk an ATT carrier. Strange it only drops call and will not call out? I have a prototype 950XL ss that makes calls with the same sim. The prototype is stuck on a really old version of Windows Phone.
The new phone I purchased took the entire day to update to the latest release and refuses to make a call. Texting works fine.
Any ideas?
Click to expand...
Click to collapse
First, ask the mobile operator of your SIM card.
Ok, I tested everything with my carrier. The new 950XL can text and surf but it will not call out. It says drop call immediately.
Any help is appreciated!
Does it drop toll free emergency number without SIM and with SIM in phone?
Did I understand correctly that it receives incoming calls?
It drops all calls. As soon as you hit the call icon it drops the call without trying. Incoming calls do not work either, they go right to voicemail. My other 950XL SS that is a ATT prototype and stuck on an early windows version calls out just fine.
It is possible that the Radio Interface Layer is partially corrupted (software, by an incorrect update or hardware).
Switch to GSM or HSPA and try.
I don't see where to do that in settings?

			
				
I tried this and it didn't fix the problem. Maybe something is corrupted? I did notice that I don't have the double tab to open screen option.
Thank you.
It seems to be because the international versions of the 950 XL do not support VoLTE.
Do you have a suggestion what firmware I should flash for success?
Just started trying to get this phone working. Does anyone have a success story with the 950xl single sim on a US based carrier?
I have that phone in Spain and I can't call too. I just rescue it and I would love to make it run.

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