I'm constantly having to "reset network connections" on my new tmo s21. When I dial a # it rings 1-2x then silence while the call counter shows connected. Only way to fix the issue to reset the network.
Any solutions?
Been happening for the past month or so on T-Mobile for me, plus the network speed is ridiculously low, but ONLY on the S21. Moving my SIM to my Pixel 4a 5G, iPhone 12 Pro or Oneplus 9 Pro get normal speeds. Seeing about 300mb/s on those, and MAYBE 75mb/s on the S21. It's also not a fault model, because I have a T-Mobile branded S21 and an unlocked one as well. Both S21s have awful speeds.
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Does anyone get VoLTE working on O2 or Three in the UK? Does the phone show any VoLTE icon on the notification bar or switch in settings?
Hi,
I've just got a Mate 10 (standard) ALP-L29 8..0.0.128 (C363) running on Three UK
Sadly neither Volte nor VoWifi work with Three
I'm hoping a rebrand to an European version might make it work, but am at a loss to know which version is possible and if it will even work.
Any advice appreciated
thanks
Which region do you buy the device from?
Bought from Wonda in Hong Kong who rebranded it to the above
It does not work on mine either. I am using ALP-AL00 8.0.0.126(SP2C00).
I am using ALP-AL00 8.0.0.126(SP2C00) and not working either.
I'm in the UK. on the three network running BLA-L09 8.0.0.124 (c782)... sometimes it pops up in the top left corner "Wi-Fi calling" ..... is this the same thing ??
evantkh said:
Does anyone get VoLTE working on O2 or Three in the UK? Does the phone show any VoLTE icon on the notification bar or switch in settings?
Click to expand...
Click to collapse
If you mean wifi calling, I think it may be working on my O2 branded Mate 10 pro. Had to enable in the O2 app first.
Sent from my BLA-L09 using Tapatalk
No, VoLTE means not dropping to 3G when making calls. Does the signal drop to 3G when making calls without WiFi?
Does the signal drop to 3G when making calls without WiFi?
When making a call with three it automatically drops to 3g , I do get WiFi calling when my network signal is weak
On Three UK on Mate 10 pro. Not bought from Three. However on Vodafone VoLTE works... 3 claims ThreeinTouch app supports Supervoice/VoLTE though no options appear for me. Send a like and/or comment here on this tweet to Three UK. https://twitter.com/AminYacarEvaday/status/953734315560579073
And on here
https://twitter.com/AminYacarEvaday/status/953735074264043521
Thanks
Just got a Dual SIM Mate 10 Pro, and I have VoLTE working on Three UK.
I did a fair bit of research in to VoLTE / Wifi Calling (lots of lurking on these forms) before I got it, as access to SuperVoice would have been a dealbreaker if I couldn't get it (and other networks' full 4g spectrum).
It's worth understanding how Three currently structure their spectrum in the UK. I did a lot of head scratching when I used to have an iPhone, as despite Three texting me to say I was in a SuperVoice 4g area, my calls mostly dropped down to 3g.
Three have lots of high frequency 3g and 4g spectrum. They also have some low frequency 4g spectrum (band 20, 800Mhz), but there's a bit less of that.
Three's SuperVoice (VoLTE) only runs on the low frequency 4g 800mhz. The high frequency 4g does not carry VoLTE.
So - if you're on the high frequency 4g band (which is set by Three to be the first choice for locking on to) and you make a call, you need to get bumped to another band. If you're in range of 3g, and get so much as a whiff of it, it'll put you on that. If you can't get any 3g, but you can get lower frequency 4g (it travels further / deeper), it'll allow you on to that band and then - and only then - will you be able to make a VoLTE call.
Maybe one day Three will open up their higher frequency 4g to VoLTE if they restructure their spectrum, but I speculate that for the moment with the spectrum structured as it is, there isn't the justification for taking up high frequency 4g bandwidth with VoLTE call traffic, if there's increasingly unused 3g capacity sat alongside it. If however a phone is out of range of the high frequency 3g signal, the phone can use the low frequency 4g VoLTE for calling and, as Three put it, 'banish the indoor blackspots'.
My Mate 10 Pro is working in exactly the same way as my old iPhone used to - in that if there's any 3g whatsoever, it uses that for calls, often dropping to 3g from the higher frequency 4g (that doesn't allow VoLTE). It's only if you're somewhere where there's no 3g but there is 800mhz 4g, that you can use VoLTE. That makes testing it really hard! I've only had the Mate 10 for 2 days, and managed 2 VoLTE calls in a rural location. Near home I don't see VoLTE at all as there's very decent high frequency 3g coverage.
I also get the Wifi calling option in settings, however I haven't tested that yet, as I haven't been anywhere in the 2 days of phone ownership where mobile reception has been poor and there's been accessible Wifi to fall back on. There is no VoLTE toggle in settings, nor an icon in the status bar - the phone just quietly made a call over 4g (checked by using the 4g icon next to the signal bars, and using the settings>system>about phone>status>network menu whilst on a call to see whether the mobile network type remained 4g).
I'm hoping to test VoLTE on other networks shortly using my 2nd sim slot, however as the networks only allow VoLTE on contract it's not just a case of trying it out with a free PAYG SIM, unfortunately.
In terms of my phone, I ordered a Mate 10 Pro Dual sim Asian/International version (C636), that didn't seem to work with VoLTE (although as above it's hard to test with Three). If I'd have known that I could have bought a single SIM UK version and flashed new firmware to get dual sim I would have done to get a warranty, but when buying it I incorrectly thought maybe the hardware was different and I need 2 sims... I rebranded it to the Euro version (C432) and flashed Euro firmware, and I've since managed two VoLTE calls on Three UK. I'm hoping that other networks work as well... In hope of it doing so is partly why I bought the phone, and there are lots of reviews (that smell a bit of being paid for) that state Huawei has worked with networks to pre-install the VoLTE / Wifi Calling settings in to the Euro firmware.
Any questions just ask
The Pro was a Three exclusive so even if you buy a unbranded one it downloads Three firmware which allows Volte, the standard Mate 10 isn't a Three handset so wont have Volte
I don't think the unbranded phone will download Three firmware if it is on different generic firmware such as the AL00 model. However, VoLTE does have GSMA standard and iPhone has made VoLTE work around the world no matter where you buy the device.
That means Huawei is not actually showing the VoLTE toggle on Three. Based on the configuration files on the firmware of the ALP-AL00 model, I think not showing the VoLTE toggle is happening on O2 UK as well but I never get it working.
@evantkh
Yes, it seems that way, I made a few more calls over Three's 800mhz VoLTE yesterday so it's definitely working in line with Three's priority settings, there's just no toggle or icon. I also monitored using the LTE Monitor app to check the band and in all cases I was on 800mhz before making the call, maybe as it was the only band it could receive. I'm quite impressed with how seamlessly it works.
I don't have the same region as you, have you tried a rebrand and firmware flash to Euro? Mine didn't seem to work on the non Euro version, with the limited amount of testing I did before I flashed Euro firmware.
---------- Post added at 09:24 AM ---------- Previous post was at 09:19 AM ----------
Also, I can confirm WiFi calling works as well on Three. I saw that working yesterday, briefly.
I'm interested to know that you haven't seen VoLTE working on O2 - I was probably going to get my 2nd sim with them.
@Thasscas44
It's not worth re-branding and firmware flashing to Euro.
1. The hardware of AL00 model and L29 model are different at least the bands and possibly the security chip as well.
2. I will lose Huawei Pay functionality for NFC mobile payments in China.
3. I will only use O2 for a few months more as I am going to leave the UK in a few months.
Sounds fair enough, I changed region of my BLA L29 but not model. I definitely wouldn't have wanted to lose other functionality.
I've seen people say they've changed from an L09 to L29 but not the A00.
Err they don't stock the standard Mate 10 so the branded firmware doesn't exist
hi All,
i got note 20 5G, SM-N981U1, i have used it on verizon, tmobile all got 5g. i switched to ATT, and i'm not getting 5G Icon... not sure what i do wrong, i've reset network. still same, basically LTE , LTE +, i'm in NYC.. should be all cover 5g... any advise will help!
i just updated to October 1 security patch..
My phone is a USA version got from Samsung unlocked note 20
davidliu215 said:
My phone is a USA version got from Samsung unlocked note 20
Click to expand...
Click to collapse
Pretty sure att still has fake 5g running. Not fully deployed. They got called out a few times for falsely saying they did. Did you get a 5g Sim card from them? Is your apn set correctly?
Brand new Sim card 1 weeks ago from att store attached apn auto configured when popped in Sim as you can see from Screenshot it shows lte
Have at&t note 20. Call (not chat) customer support and ask them to reprovision your sim card.it should be the enhanced phone APN, not nextgen phone. You may need to escalate beyond basic support.
I have the S21+ dual sim version (so Samsung chipset) with two sims from Vodafone.
Whenever Sim 1 sees a 5g connection and connects and then goes back to 4G, all internet traffice seems to pause as if disconnected from network.
Sim 2 does not seem to show same issue.
Also, Sim2 sees 5G when Sim 1 only sees 4G, but surely they should be the same.
I have read somewhere that the Samsung chipset S21 does suffer from some 5g problems when switching between 45 and 5G then back again.
Does anyone know a fix or advice.
I have tried the recommended reboot and toggling Airplane mode nwhen the 4G seems to lock up, but does not help
I'm traveling to the US soon, and i find out most companies like t-mobile verizo and at&t don't list the phone as compatible with their networks, and more over, when putting the IMEI on those websites, it just says not compatible.. any of you has any experience in the US with this specific phone? Global model ofc
I have it here in the US and I use t-mobile. I do not get good service and do not have VOLTE or VOWIFI. I did get missed calls time to time but it still worked.
The Realme GT2 PRO has compatibility issues with T-Mobile. I'm currently using mint mobile which is an mvno of T-Mobile and the service is pretty bad. In fact mint mobile says that the Realme GT2 pro is not compatible although it does work... barely. Unfortunately I had to buy Pixel 7 for use at work which is fine because it takes so long to charge that phone I end up using the GT2 pro at night for media and gaming. It's not a band issue as much as US carriers simply don't want to status the software.
Hopefully this will change soon. I haven't tried an att mvno but that's definitely on my to do list as the 5G and 4G band compatibility is better than T-Mobile.
History:
Recently purchased a S23 Ultra (SM-S918U1) from Samsung USA. Downloaded and flashed the appropriate software for Samsung Canada (SM-S918W) using Patched Odin (3.14.1_3B). CSC, as expected, now reads TLS/TLS,TLS/XAA.
Network mode is set to 5G/LTE/WCDMA/GSM.
Problem:
I have strong signal in my area, 5G, but during phone calls, my signal drops from 5G to 3G (WCDMA) as opposed to the expected LTE+/LTE (4G or 4G+ for anyone outside of North America).
I have changed to a new SIM card and am able to reproduce the issue on my S22 Ultra.
I'm beginning to think it is a carrier issue, Telus, and have escalated to appropriate support tier for a callback.
Is anything else I should be looking for in-between? Specific flashing techniques or tools?
Thanks!
if you dont have VoLTE enabled then your signal goes to 3g during phone calls, its how the network works.
Aleks95 said:
if you dont have VoLTE enabled then your signal goes to 3g during phone calls, its how the network works.
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Click to collapse
I greatly appreciate your help! I knew it would be something simple.
Enabling VoLTE is no longer available with this Canadian CSC (Telus/TLS).
I tested two devices; my S22 Ultra and Z Flip 4; the Z Flip 4 was purchased directly from Telus Canada, while the S22 Ultra was purchased from Samsung USA.
Following a factory reset and reboot, the Z Flip 4 automatically registers for IMS/VoLTE.
The same cannot be said for the S22 Ultra when running TLS. I see an option to enable 'VoLTE' if I switch back to XAA from XAC, but it doesn't do anything.
It appears the carrier may blacklist non-Telus purchased devices based on specific criteria (e.g., IMEI, serial number, etc).
This was not the case before 2021.
It is a carrier issue. Bell/Telus blocking VoLTE and WiFi Calling on non-Canadian devices that are not sold by Bell/Telus. If you put a Rogers SIM in your device, everything will work because Rogers is not limiting devices by IMEI and model number where Bell/Telus are!
File a CCTS complaint. The more they get. The hope that something will be done about it. They will also block your device from roaming on to US carriers and block 911 access as well. I get a text every month from Telus saying, "
TELUS Message: Hi J********, as you may be aware, carriers in the U.S. stopped supporting mobile devices on 3G networks.
You’re currently using a 3G phone that connects to 3G networks and the next time you roam in the U.S., you will no longer be able to use data, text or make phone calls - including 911.
To stay connected in the U.S., you need to replace your phone with an LTE or 5G capable phone.
Learn more about the 3G network turndown in the U.S. at https://sms.telus.com/a519646aed"
I purchased mine from T-Mobile USA and use it with my T-Mobile SIM and Telus eSIM. I am on the U1 firmware.
Just call the Telus, telling them you brought a S23u from Samsung Canada. The model is S23 Ultra or SM-S918W. They will "apply the IMS registration profile" to enable the VoLTE and WifiCalling. That's how I did on my S918B. You don't need to change the CSC at all.
Thank you all for your excellent responses. I appreciate your help.
Telus' advanced support confirmed that non-Canadian Samsung devices are being blocked
Telus requests IMEIs from Samsung and registers IMS (VoLTE/WiFi Calling) if it matches the corresponding devices.
Google and Apple are the only exceptions. These criteria do not apply to them.
The next stop for me is the CRTC. If this concerns you as a resident of Canada, more information can be found here:
How to Make a Complaint About Your Telephone Service | CRTC
Telephone service problems can be resolved by making a complaint to the phone company, CCTS or CRTC.
crtc.gc.ca
and2cs said:
Just call the Telus, telling them you brought a S23u from Samsung Canada. The model is S23 Ultra or SM-S918W. They will "apply the IMS registration profile" to enable the VoLTE and WifiCalling. That's how I did on my S918B. You don't need to change the CSC at all.
Click to expand...
Click to collapse
This is actually what I was planning to do but before I could ask, they, the Telus Rep., had already identified it as non-Telus device.
AHE_XDA said:
Thank you all for your excellent responses. I appreciate your help.
Telus' advanced support confirmed that non-Canadian Samsung devices are being blocked
Telus requests IMEIs from Samsung and registers IMS (VoLTE/WiFi Calling) if it matches the corresponding devices.
Google and Apple are the only exceptions. These criteria do not apply to them.
The next stop for me is the CRTC. If this concerns you as a resident of Canada, more information can be found here:
How to Make a Complaint About Your Telephone Service | CRTC
Telephone service problems can be resolved by making a complaint to the phone company, CCTS or CRTC.
crtc.gc.ca
Click to expand...
Click to collapse
CRTC won't do anything, neither will CCTS. They claim networks can do this for the "safety" of their network. Only Rogers allows US devices to use VoLTE for some reason.
I went through this last year.
and2cs said:
Just call the Telus, telling them you brought a S23u from Samsung Canada. The model is S23 Ultra or SM-S918W. They will "apply the IMS registration profile" to enable the VoLTE and WifiCalling. That's how I did on my S918B. You don't need to change the CSC at all.
Click to expand...
Click to collapse
Won't last sorry. If your IMEI isn't on the whitelist it will be eventually kicked off the profile.