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Just curious if there is a way to get the t-mobile feature of wifi calling on phones which are not running the stock t-mobile rom? I have a phone in canada that uses a US sim for when we send drivers to the states for deliveries (transportation company) but the phone is from canada.
Can this be achieved? Is there maybe a successful app that can do this?
Bloodyskullz said:
Just curious if there is a way to get the t-mobile feature of wifi calling on phones which are not running the stock t-mobile rom? I have a phone in canada that uses a US sim for when we send drivers to the states for deliveries (transportation company) but the phone is from canada.
Can this be achieved? Is there maybe a successful app that can do this?
Click to expand...
Click to collapse
Nope. Many have tried, all have failed. It was possible until T-mobile changed the APK when ICS was released.
How did the APK affect everything? Did they add some special code that makes it not function properly?
So would changing the rom from lets AT&T to T-mobile or from Rogers to T-mobile, would the feature be successfully unlocked?
Bloodyskullz said:
How did the APK affect everything? Did they add some special code that makes it not function properly?
So would changing the rom from lets AT&T to T-mobile or from Rogers to T-mobile, would the feature be successfully unlocked?
Click to expand...
Click to collapse
I don't know the specifics, but it is built into the framework of the ROM. Yes, changing the ROM on another network's device to a T-mobile ROM will allow you to use the Wi-Fi calling feature.
Figured as much.
Thanks for the responses.
The first requisite is that you're using a T-Mobile SIM, because the SIM has an internal authentication method that interfaces with the internal Wifi Calling app. You can't use any other carrier's ROM/Wifi Calling (e.g. Rogers' Wifi Calling) with a T-Mobile SIM, even if both carriers use Wifi Calling.
The second requisite is that the carrier actually supports Wifi Calling. It requires specific Kineto servers on their end.
Thirdly, you can flash a T-Mobile ROM on, say an AT&T phone (I've done this with an AT&T S4) if the phone can handle it, and that will "enable" (because it'll technically become a T-Mobile phone) Wifi Calling.
Fourthly, Wifi Calling is more than just an APK. Previously, it used UMA; that meant that the phone sent normal GSM signal over Wifi instead of through it's cellular radio. Now it uses a proprietary SIP (completely internet-based) protocol that nobody has been able to port to other ROMs. It's extremely embedded into the software framework of the phone.
So pretty much if you want to be able to use T-Mobile Wifi Calling, you need a T-Mobile phone or a T-Mobile ROM. The good news is that T-Mobile phones are fully compatible with all carriers in the US & Canada. They have all the required frequencies for every carrier. I have family up in Canada, so I'm familiar with all the Canadian carriers and what bands they operate on. Or like I said, you can flash your phones (depending on the phone, if T-Mobile also has it) with a T-Mobile ROM.
By the way, calling to Canada would still cost you with a normal T-Mobile plan. It's considered long-distance from a US perspective. There are apps you can use to make phone calls to land lines over Wifi, like Skype (if you pay). You could also use free apps that allow you to make calls to other people using the app (like Viber, which also does free messaging similar to Whatsapp and has a desktop app).
You would also need the right SIM card. Not all T-Mobile SIM cards support Wi-Fi calling.
Sent from my SGH-I747M using xda app-developers app
gc84245 said:
No, it's not just the ROM it's also the SIM card. I had a T-Mobile phone with Canadian SIM card and it definitely does not work.
Sent from my SGH-I747M using xda app-developers app
Click to expand...
Click to collapse
Considering he said his sim was from the US, I think it is safe to assume that it is not a Canadian sim, and most likely T-mobile.
Uggg, this XDA app is terrible, I can't even edit posts. Anyways, how do I know what SIM card this person has? They didn't say, but even if we assume it's T-Mobile that's no guarantee it will work.
Sent from my SGH-I747M using xda app-developers app
Glad to know that there are a few people here that know about the canadian phones. I just found the t-mobile rom so I am going to try and flash it via odin on my canadian phone.
And for the record so it doesn't confuse other XDA members, its a T-mobile sim and one of their more recent micro sims.
Don't ODIN another model's ROM. Stock ROM files include a modem. If you flash another model's modem, you will lose your IMEI. You need to root the phone and install a custom recovery so you can flash the ROM without the modem.
Pretty much all of their SIMs from the last two years will work. So that's not an issue. Like I said though, Wifi Calling simulates being you in the US. For example, I visit my grandparents in Ottawa. I use their Wifi to make Wifi Calls on my Galaxy Note 3. The calls are made as if I'm in the US. Meaning if I used Wifi Calling to call one of my friends who lives in the US, it counts as a domestic call. But if I call my grandparents' house phone, it'll be long distance, the same as if I were in the US making the call to Canada.
If you're trying to save money on calls, this won't work since you'll still be calling Canada long distance.
Product F(RED) said:
Don't ODIN another model's ROM. Stock ROM files include a modem. If you flash another model's modem, you will lose your IMEI. You need to root the phone and install a custom recovery so you can flash the ROM without the modem.
Pretty much all of their SIMs from the last two years will work. So that's not an issue. Like I said though, Wifi Calling simulates being you in the US. For example, I visit my grandparents in Ottawa. I use their Wifi to make Wifi Calls on my Galaxy Note 3. The calls are made as if I'm in the US. Meaning if I used Wifi Calling to call one of my friends who lives in the US, it counts as a domestic call. But if I call my grandparents' house phone, it'll be long distance, the same as if I were in the US making the call to Canada.
If you're trying to save money on calls, this won't work since you'll still be calling Canada long distance.
Click to expand...
Click to collapse
Glad I caught this. I didn't think this would actually have such a possible outcome.
Where can I get the t-mobile rom only then? sammobile doesn't seem to bring up the rom when i type in the model number of the phone.
Bloodyskullz said:
Glad I caught this. I didn't think this would actually have such a possible outcome.
Where can I get the t-mobile rom only then? sammobile doesn't seem to bring up the rom when i type in the model number of the phone.
Click to expand...
Click to collapse
Which phone is it?
It's probably easier to go with a custom T-Mobile ROM from here on XDA since you won't be taking official updates anyway.
N900w8 - telus carrier.
EDIT: judging by the second statement, the custom roms aren't exactly AOSP based if one would still want to acquire such a feature.
Bloodyskullz said:
N900w8 - telus carrier.
EDIT: judging by the second statement, the custom roms aren't exactly AOSP based if one would still want to acquire such a feature.
Click to expand...
Click to collapse
The Canadian Note 3 is actually equivalent to the T-Mobile Note 3 (same frequencies). You can flash a T-Mobile Note 3 custom ROM from here (just don't flash any modems). Get one that is Touchwiz based. NB4-based ROMs (Android 4.4.2) are the latest. Vision NX3 is one that I use and is a minimally-tweaked stock based ROM (it includes some T-Mobile bloat, but that can be removed with root apps like Titanium Backup).
Would it be possible to flash a stock T-Mobile rom to at&t lg g4 I can skip the modem flash, I know that's a bad idea.
I just recently switched from Sprint to ATT after unlocking my phone. After the switch was pretty terrible when all the installed software just kind of broke. Caller ID even started screwing up.
Fast forward to now and I ran the process using the Factory Binary and Canadian Firmware and successfully got my phone to identify as an ATT phone and boot with the full logo and software suite. However after doing that I am still unable to get anything really ATT related working properly. All my caller ID issues are now fixed, but I can't get WiFi calling to work (the main reason I flashed ATT instead of unlocked)
Is there any way to get wifi calling working on my phone? If not should I just switch to the us unlocked firmware since Wifi calling is really the only reason I know of to use a carrier firmware.
Thanks!
Cannot find anyone to answer this either. Have Unlocked version of S8+ on AT&T and cannot get Wifi Calling or Video Calling. Get no answer that if I Flash AT&T firmware on phone will that get me Wifi Calling etc. like an AT&T phone.
I believe that with anything but a carrier sold device, you will never be able to get WiFi calling. In spite of flashing the proper CSC and firmware, the IMEI still shows up in their system as an "unknown" device.
I have a G930V and recently switched from Verizon to T-Mobile. I flashed the phone firmware to G930T so WiFi calling, VoLTE, and visual voicemail would work. After doing that, it seems the phone is now locked to the T-Mobile network - even though it was never locked on Verizon.
I wanted to de-bloat the phone and try G930U - but can I do that if the phone is locked now? Do I need to somehow unlock the phone first? Or is it only locked to the T-Mobile sim?
Also - If I switch to G930U, what will I lose other than bloatware? Just OTA updates? Do I have to do anything special to enable Advanced Messaging, Visual Voicemail, WiFi Calling, and VoLTE?
Mr_Transistor said:
I have a G930V and recently switched from Verizon to T-Mobile. I flashed the phone firmware to G930T so WiFi calling, VoLTE, and visual voicemail would work. After doing that, it seems the phone is now locked to the T-Mobile network - even though it was never locked on Verizon.
I wanted to de-bloat the phone and try G930U - but can I do that if the phone is locked now? Do I need to somehow unlock the phone first? Or is it only locked to the T-Mobile sim?
Also - If I switch to G930U, what will I lose other than bloatware? Just OTA updates? Do I have to do anything special to enable Advanced Messaging, Visual Voicemail, WiFi Calling, and VoLTE?
Click to expand...
Click to collapse
Are you "network-locked"? or have a different sort of issue? I have a ex-VZW S7; however, due to the previous owner, I was "network-locked" - and thus could NOT take the phone back to VZW (the phone's original network). I am a Tracfone customer; therefore, I COULD take the phone to T-Mobile (Tracfone uses both networks). My misgivings were, in fact, entirely due to previous experiences using T-Mobile's network (with Tracfone, Safelink Wireless, and Virgin Mobile USA. After porting the IMEI, I prayed and did the firmware change (both were flawless. Rather amusingly, my service has ALSO been flawless - better than it has previously been as a T-Mobile-MVNO customer - unexpected, to say the least. I went from swearing AT Trafcone (and T-Mobile) to swearing by them (and eating a heaping helping of CROW in the process) - when I'm wrong, I'm wrong. I've had VoLTE (and VoWiFi as well) since I've been on the Pink side of things - if you want updates, you want T-Mobile firmware, though. (I'm running Project L V.4 and knew going in I'd lose OTAs - if you'rer comfortable with that, that may be an option for you. If you're nervous, grab the latest T-Mobile ODIN TAR (it has its own thread) and flash that - the firmware is un-fooled-around with. Extract and flash with ODIN as normal.
Verizon S7 phones are not locked, period. There are instructions on how to put Tmobile rom on the phone. We have done 2 and both were easy and worked flawlessly. Wifi Calling and LTE
hankvb said:
Verizon S7 phones are not locked, period. There are instructions on how to put Tmobile rom on the phone. We have done 2 and both were easy and worked flawlessly. Wifi Calling and LTE
Click to expand...
Click to collapse
I know it is not locked as a Verizon phone. I am an talking about going BACK to 930V after flashing 930T. It appears to be network locked now...
I had the same issue. After changing the phone from a sm-930v to a sm-930t I placed a verizon sim in the phone and the carrier told me the device was network locked to T-Mobile. I used the T-Mobile unlock app and requested a carrier unlock. The message said, "phone permenantly unlocked." I am using a ATT sim card with Tracfone with no problems. By default Verizon phones are unlocked after 90 days if there are no pending contract issues. I think the T-Mobile carrier lock may depend upon the firmware you flash. You may want to wipe the data and try a different version.
Basically, title. I thought the phone would change to possibly AT&T since H2O is a MVNO that uses their network... Should I just flash U1 firmware? If so, how to do that without losing data is possible.
This won't totally get rid of it but you won't see the icons anymore and it will be disabled:
You can disable almost anything with the command below:
from adb use: adb shell pm disable-user --user 0 <package_to_disable>
leave off the brackets. Get the actual package name by using My APK pro app to find actual name.
I don't think you would want to flash a different carrier ROM onto the phone - likely asking for trouble in a number of functions.
You may flash the unlocked stock variant of the ROM through ODIN, as described in: https://forum.xda-developers.com/t/sm-a716u1-5g-firmware-for-us-models.4144387/
I am running it the latest version of it. It is great and no carrier bloat. Samsung bloat is of course....present.
diehardbattery said:
Basically, title. I thought the phone would change to possibly AT&T since H2O is a MVNO that uses their network... Should I just flash U1 firmware? If so, how to do that without losing data is possible.
Click to expand...
Click to collapse
The easy way, take your pick:
Service Disabler - Apps on Google Play
Disable, Freeze & Uninstall unwanted Service or Package on Android (Need Root)
play.google.com
CCSWE App Manager (Samsung) - Apps on Google Play
CCSWE App Manager was designed for users who want disable applications and packages to improve performance. It also allows you to hide icons for applications they do not use without uninstalling the entire application. You can also hide icons for stock system applications which will allow you to...
play.google.com
#Soliton said:
You may flash the unlocked stock variant of the ROM through ODIN, as described in: https://forum.xda-developers.com/t/sm-a716u1-5g-firmware-for-us-models.4144387/
I am running it the latest version of it. It is great and no carrier bloat. Samsung bloat is of course....present.
Click to expand...
Click to collapse
Hi, on a related matter, ATT is telling me that my unlocked TM A71 is incompatible with their network (after 3G sunset) because it is not VoLTE capable. TM support site says VoLTE is on by default but no menu options are provided to enable or disable. Anyone know whether this issue can be resolved using the stock ROM?
I'm having the same issue. With a TMobile csv. Any ideas? Is there a way to get a att csv rom? So that volte is enabled?
Mikeeee69 said:
I'm having the same issue. With a TMobile csv. Any ideas? Is there a way to get a att csv rom? So that volte is enabled?
Click to expand...
Click to collapse
Don't know if this will work for you but it's worth a shot -- I took my SIM and put it in my old 4G phone, got it going, then put the SIM back in the A71. It's still working, in fact I'm sending this message from it. Keeping my fingers crossed.
UPDATE, 03/20/22: My phone stopped being able to send or receive calls a couple days ago, so apparently my workaround was short-lived. It is still able to send and receive SMS and MMS and provide hotspot. For now, I've forwarded all inbound calls to my GV #, but when this current month's plan comes close to an end, I'm ditching AT&T for Verizon.
UPDATE, 7/20/22: Apparently an OTA update from TM fixed the issue with my phone not working on the ATT network. Some weeks ago it started working; I hesitated to mention it here thinking it could stop working at any minute after the back and forth with ATT I posted about earlier, but it's been close to 3 months now.
My A71 5G was a Sprint version and T convinced me to SIM swap and it installed that hideous magenta boot screen and that T jingle. When I rebooted I was mad. They should warn you.
My phone was unlocked, network wise, so....
I cross flashed the U1 US Unlocked firmware with patched ODIN and it turned out great.
What carrier are you with now? TM? I can't use TM where I live because their coverage blows (TM 5G slower than ATT 3G), to the point where it's unusable. BTW, Sprint also sucks where I live.
MHay-WNY said:
What carrier are you with now? TM? I can't use TM where I live because their coverage blows (TM 5G slower than ATT 3G), to the point where it's unusable. BTW, Sprint also sucks where I live.
Click to expand...
Click to collapse
sadly, i am with tmo. i don't like them. everything works fine
How do i unlock my Sim Network on Galaxy A71 5G T-Mobile carrier?
Please guys, how do i unlock my local sim network here in Nigeria?
I bought a second hand used Samsung Galaxy A71 5g from a vendor here. My local network won't work on the phone, telling me it's locked. The phone runs on a Snapdragon chip.
I'm really desperate about unlocking the network, how to i go about this?
mcxherm said:
How do i unlock my Sim Network on Galaxy A71 5G T-Mobile carrier?
Please guys, how do i unlock my local sim network here in Nigeria?
I bought a second hand used Samsung Galaxy A71 5g from a vendor here. My local network won't work on the phone, telling me it's locked. The phone runs on a Snapdragon chip.
I'm really desperate about unlocking the network, how to i go about this?
Click to expand...
Click to collapse
You're probably going to have to buy a network unlock code. Or try and get in contact with the original seller and explain the situation. Usually the original owner of the phone can request a network unlock code from their carrier if the phone is fully paid off.
Hey,
Just got the S22Ultra today. I see that messages is now the default, which is good. But it appears RCS is now specific to AT&T only? When before it worked with anyone who had Google messages.
Has anyone else encountered this?
AT&T is known for having an implementation of RCS that doesn't go outside it's network.
Why? Don't ask me...
Solution: Install the "U1" firmware
Da_G said:
AT&T is known for having an implementation of RCS that doesn't go outside it's network.
Why? Don't ask me...
Solution: Install the "U1" firmware
Click to expand...
Click to collapse
Would we lose WiFi calling / VoLTE / Visual Voicemail with that?
In the past there was difficulty using non carrier branded firmware and losing those particular features...
However at this point in time, VoLTE is a requirement to be connected to AT&Ts network.. and wifi calling works great I'm running U1 on AT&T Unlimited Elite with both features working well
Da_G said:
In the past there was difficulty using non carrier branded firmware and losing those particular features...
However at this point in time, VoLTE is a requirement to be connected to AT&Ts network.. and wifi calling works great I'm running U1 on AT&T Unlimited Elite with both features working well
Click to expand...
Click to collapse
Which csc did you choose if you don't mind me asking, for the U1 firmware?
I have the S22 Ultra on U firmware with AT&T Unlimited Elite Plan as well and my 5G is amazing, sometimes even faster than my wifi.
Do you use USC or ATT for the U1 firmware's csc. I'm going to download from Frija and flash tomorrow. Hate the bloatware.
I forgot to mention that Visual Voice-mail works 100% as well. I used the U1 firmware posted here which I believe is multi-CSC. Generally speaking, if you punch most CSC into a Downloader like Frija, it will pull the same firmware zip file (U1) - there are some exceptions like Thom Browne which use a custom zip. Wifey and I were having problems sending photos via Text / "Advanced Messaging" on "U" firmware. I flashed both our phones to U1 (wow, flashing via USB-C cable takes 1 minute to flash the 7 gig firmware at 10gbps, pretty nice)
"U1" comes with both Samsung Messages and Samsung's customized Google messages build.
Samsung Messages still tries to use Advanced Messaging on AT&T, so that's out of the picture on "U1" as well.
But, Google Messages works great using Jibe as the backend for RCS as usual.
Da_G said:
I forgot to mention that Visual Voice-mail works 100% as well. I used the U1 firmware posted here which I believe is multi-CSC. Generally speaking, if you punch most CSC into a Downloader like Frija, it will pull the same firmware zip file (U1) - there are some exceptions like Thom Browne which use a custom zip.
Click to expand...
Click to collapse
Thanks! What about 5G?
Also, did you do a full wipe going from U to U1? Or used HOME_CSC to keep data.
5G works great. AT&T gatekeeps 5G via a combination of factors:
5G Capable Plan on account
5G IMEI reported from connecting device
5G Capable APN connected from device (enhancedphone, nrphone, nrbroadband)
Firmware doesn't seem to affect it in my experience.
The "U1" image posted does not contain a HOME_CSC, so maintaining data is not an option this time around. I would still recommend a factory reset immediately prior to changing firmware from U1<-->U, while it does work, I feel like that introduces a tendency to glitchiness.
S22 uses a nice 5G modem that brings a beefy featureset, it has notable diversity and carrier aggregation improvements that seem to be shining through nicely on AT&T. I notice different bands being connected than typical with my other devices. For example I'm getting 10mhz of Band 29 downlink CA which is bumping speed test results nicely.
The reason I got the carrier locked version was to not lose those features. It was an issue in the past. It's nice to know it's been resolved.
It looks like a work around is being considered. A lot of ppl are complaining about the RCS issue in messages. I'll wait a while before I flash, but thanks for that option.
Da_G said:
5G works great. AT&T gatekeeps 5G via a combination of factors:
5G Capable Plan on account
5G IMEI reported from connecting device
5G Capable APN connected from device (enhancedphone, nrphone, nrbroadband)
Firmware doesn't seem to affect it in my experience.
The "U1" image posted does not contain a HOME_CSC, so maintaining data is not an option this time around. I would still recommend a factory reset immediately prior to changing firmware from U1<-->U, while it does work, I feel like that introduces a tendency to glitchiness.
Click to expand...
Click to collapse
Is the U1 firmware the USA unlocked?
U1 firmware is world-wide unlocked, it includes all the necessary customizations to connect the bare minimum services + enhanced features (carrier video calling, RCS, visual voicemail, APN settings)
U1 doesn't come with the carrier specific "bloatware" and branding.
U has all that stuff that no one wants. In the past we had to use that flavor to enable carrier features as crispy1805 mentioned. No more! Now we can enjoy the bloatware free goodness.
It seems to be a global issue. I've been monitoring other forms: https://forums.att.com/conversation...2c097b3be6?commentId=62166982bd69402c097b3ed2