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Hello everyone,
Yes, I'm a noob here but online research, etc. tells me that XDA is the place for me. I am a IT tech, just not a programmer nor have I done a lot with flashing phones, etc.
based on some basic searching my issues seems to be common.
I am a T-Mobile user and I now have a new AT&T Branded Galaxy S9 SM-G960U. I paid a third party to provide me with a Samsung unlock code. I unlocked the phone last night, had T-Mobile update my account with my new Nano Sim, etc.
All is working except I can not enable WiFi Calling and of course there are some advanced text messaging features that I can not enable, i.e. sent receipts, etc. I tested the phone with a active AT&T sim and the features work fine.
Does anyone have a work around for getting WiFi calling and text features to work using the T-Mobile Sim?
Do I need to some how flash a T-Mobile ROM to the phone?
Any help and guidance would be greatly appreciated
it will never work because is att brand. you needed to get international model.
I'm not so sure.......... I have the SM-960u1 and have flashed various AT&T FW to it at least 50 times and cannot get any IMS features to work. I get get the ATT bloatware, software,splash screen. But no VoLTE, WiFi Calling etc. I am tired of flashing. Back to Stock U1 for me.
AT&T is the same. They keep promising wifi calling for unlocked phones but I can't get it and neither can 2 others I know with unlocked phones.
This sounds normal. I have an AT&T branded Galaxy S6, which has wifi calling, but I'm using a MintMobile (T-Mobile) SIM. Wifi Calling is grayed out. There's probably some sort of check in the software that only enables the wifi calling if you are using an AT&T sim.
Yes, you have to flash the T-Mobile firmware with the latest modded Odin, or the unlocked U1 variant firmware (for which TMO's RCS messaging and video calling won't work-with U1 firmware, I mean). If you flash the TMO firmware, it's for all intents and purposes turning the phone into aTMO phone, with bootscreen, bloat and all.
jrockz5000 said:
Hello everyone,
Yes, I'm a noob here but online research, etc. tells me that XDA is the place for me. I am a IT tech, just not a programmer nor have I done a lot with flashing phones, etc.
based on some basic searching my issues seems to be common.
I am a T-Mobile user and I now have a new AT&T Branded Galaxy S9 SM-G960U. I paid a third party to provide me with a Samsung unlock code. I unlocked the phone last night, had T-Mobile update my account with my new Nano Sim, etc.
All is working except I can not enable WiFi Calling and of course there are some advanced text messaging features that I can not enable, i.e. sent receipts, etc. I tested the phone with a active AT&T sim and the features work fine.
Does anyone have a work around for getting WiFi calling and text features to work using the T-Mobile Sim?
Do I need to some how flash a T-Mobile ROM to the phone?
Any help and guidance would be greatly appreciated
Click to expand...
Click to collapse
i think your own question just answered you:
tmobile sim on a branded phone (att)
jrockz5000 said:
Hello everyone,
Yes, I'm a noob here but online research, etc. tells me that XDA is the place for me. I am a IT tech, just not a programmer nor have I done a lot with flashing phones, etc.
based on some basic searching my issues seems to be common.
I am a T-Mobile user and I now have a new AT&T Branded Galaxy S9 SM-G960U. I paid a third party to provide me with a Samsung unlock code. I unlocked the phone last night, had T-Mobile update my account with my new Nano Sim, etc.
All is working except I can not enable WiFi Calling and of course there are some advanced text messaging features that I can not enable, i.e. sent receipts, etc. I tested the phone with a active AT&T sim and the features work fine.
Does anyone have a work around for getting WiFi calling and text features to work using the T-Mobile Sim?
Do I need to some how flash a T-Mobile ROM to the phone?
Any help and guidance would be greatly appreciated
Click to expand...
Click to collapse
You will need to flash to the U1 Firmware then Flash the T-Mobile firmware. AT&T's Wifi Calling is proprietary and thus their phones software won't work with other Carrier's Wifi Calling.
I have a Galaxy S9 (SM-960U) purchased from T-Mobile, but unlocked and running with an AT&T SIM (among others, at times). Up until today, the phone was running the stock T-Mobile ROM which received various software updates on a monthly or every two month interval. I've installed them as they were released (while running various non-T-Mo SIM cards) and the latest was October 1, 2018. Today, I clicked the "Software Update" function and saw that a new update was available. When it installed and restarted, I noticed that the phone was running an AT&T branded ROM, along with the typical AT&T bloatware (e.g., CNN, Groupon, Amazon, AT&T-specific apps) that was not previously installed.
The other thing I noticed was that the phone now is only connecting to HSPA and HPSA+ networks, whereas before it would also connect to LTE.
I'm not sure why I suddenly received and installed an AT&T-branded ROM today when my S9 and all of my previous devices were fine running the T-Mo ROM and receiving updates as they were released. Does anyone have any insights as to what caused this change and whether future ROM updates will be carrier-specific based on the inserted SIM? In the past month I've used SIMs in Vietnam and Japan and it seems odd that ROMs would suddenly be based on the carrier of the day.
Also, any ideas about restoring LTE service? I've tried removing the SIM and powering off the device a few times, but no dice. This was a network/account-problem when I initially ported over to AT&T from T-Mo which took a lot of troubleshooting at the store (unsure of actual root cause), but it seems odd that a software update on the device would undo that.
The latest update (3BRJ5) is BYOD firmware. With B firmware, a carrier sim will change the csc of your phone to match the network you are connected on. Good luck getting LTE back, I have no idea on that.
*#*#4636#*#* entered into phone dial. That will allow to select preferred network type in device information.
jasonw3 said:
I have a Galaxy S9 (SM-960U) purchased from T-Mobile, but unlocked and running with an AT&T SIM (among others, at times). Up until today, the phone was running the stock T-Mobile ROM which received various software updates on a monthly or every two month interval. I've installed them as they were released (while running various non-T-Mo SIM cards) and the latest was October 1, 2018. Today, I clicked the "Software Update" function and saw that a new update was available. When it installed and restarted, I noticed that the phone was running an AT&T branded ROM, along with the typical AT&T bloatware (e.g., CNN, Groupon, Amazon, AT&T-specific apps) that was not previously installed.
The other thing I noticed was that the phone now is only connecting to HSPA and HPSA+ networks, whereas before it would also connect to LTE.
I'm not sure why I suddenly received and installed an AT&T-branded ROM today when my S9 and all of my previous devices were fine running the T-Mo ROM and receiving updates as they were released. Does anyone have any insights as to what caused this change and whether future ROM updates will be carrier-specific based on the inserted SIM? In the past month I've used SIMs in Vietnam and Japan and it seems odd that ROMs would suddenly be based on the carrier of the day.
Also, any ideas about restoring LTE service? I've tried removing the SIM and powering off the device a few times, but no dice. This was a network/account-problem when I initially ported over to AT&T from T-Mo which took a lot of troubleshooting at the store (unsure of actual root cause), but it seems odd that a software update on the device would undo that.
Click to expand...
Click to collapse
you have to change APN setting on the menu to reflect AT&T network. let me know if it works by changing APN.. I used to have S9+ tmobile and I was waiting for this BYOD update but i traded in my s9+ already =/ i have note 9 unlocked now..
skyethur said:
you have to change APN setting on the menu to reflect AT&T network. let me know if it works by changing APN.. I used to have S9+ tmobile and I was waiting for this BYOD update but i traded in my s9+ already =/ i have note 9 unlocked now..
Click to expand...
Click to collapse
The issue required a visit to the AT&T store, where they replaced the SIM and reset some of the network features on the back end of my account. This required a call to the retail technical support team and about 45 min. No settings were changed on the phone. The APN settings were already configured correctly (which I had confirmed as a part of initial troubleshooting).
The phone works fine now, though some features like AT&T HD Voice and the AT&T Call Protect app still don't work. I've tried contacting them twice about it and they opened a ticket but it hasn't helped. These aren't features I used before so I don't really care.
jasonw3 said:
The issue required a visit to the AT&T store, where they replaced the SIM and reset some of the network features on the back end of my account. This required a call to the retail technical support team and about 45 min. No settings were changed on the phone. The APN settings were already configured correctly (which I had confirmed as a part of initial troubleshooting).
The phone works fine now, though some features like AT&T HD Voice and the AT&T Call Protect app still don't work. I've tried contacting them twice about it and they opened a ticket but it hasn't helped. These aren't features I used before so I don't really care.
Click to expand...
Click to collapse
Keep in mind though that HD voice only available to postpaid At&t only not prepaid and they do required special sim card for hd voice but since you already changed sim card then the problem is not the sim card. You can try and dial #*#*4636*#*# and see if Volte is provisioned.. I wish i had my s9+ from tmobile but i dont have it anymore i was waiting for that byod software update.. Hd voice should work on BYOD custimization update on at&t
Ok so I had to reactivate my Z2 Force Sprint., and after set up I do not have any data. It show 3G then LTE then nothing.. I tried flash all twice, but still can't get full data.. I was on Lineage, but went back to stock as I was going to sell this phone.. but now I'm not sure how to proceed. Any ideas will help thanks.
doubledragon5 said:
Ok so I had to reactivate my Z2 Force Sprint., and after set up I do not have any data. It show 3G then LTE then nothing.. I tried flash all twice, but still can't get full data.. I was on Lineage, but went back to stock as I was going to sell this phone.. but now I'm not sure how to proceed. Any ideas will help thanks.
Click to expand...
Click to collapse
I'm in the same situation, update from nougat to Oreo and I ran out of mobile network, if I find any solution, I'll let you know.
Sprint is suppose to be sending me another phone. Will see, so I went and relocked the bootloader.. At this time I don't care if it is stock or not.
doubledragon5 said:
Sprint is suppose to be sending me another phone. Will see, so I went and relocked the bootloader.. At this time I don't care if it is stock or not.
Click to expand...
Click to collapse
Hope u have...
Luck I can't do that because I'm not from US
svenrod09 said:
Hope u have...
Luck I can't do that because I'm not from US
Click to expand...
Click to collapse
I went to Motorola to get the factory images for this phone, can't seem to find any.. funny with bootloader locked, I get a message, that a different software other than factory installed on phone.. How, when I flashed the flashall that is suppose to be 100 percent stock.
Found out what appears to be the issue.. Up at Sprint, my ICCID (sim) Doesn't match what's in the phone.. Why I do not know.. I gave them two other sim cards, and they claim they are not compatible but, one is the original one from the phone.. So tomorrow I have to go to Sprint and get another.. To add insult to injury, the Galaxy S6 I purchased, and billed as new.. In fact is not new, was a refurbished unit.. Ok, but the mic does not work.. Went to Sprint to get it replaced $75, but because it has a after market screen and not original, they won't touch it.. Again, no mentioned at time of purchase.. Luckily for me I'm getting my money back on it.. Talk about a bad day, and a couple of effed up phones..
Did Lineage OS work?
doubledragon5 said:
Ok so I had to reactivate my Z2 Force Sprint., and after set up I do not have any data. It show 3G then LTE then nothing.. I tried flash all twice, but still can't get full data.. I was on Lineage, but went back to stock as I was going to sell this phone.. but now I'm not sure how to proceed. Any ideas will help thanks.
Click to expand...
Click to collapse
Doubledragon5,
Did having your phone on Lineage OS allow you to use data/calling/network service?
JTC Intl said:
Doubledragon5,
Did having your phone on Lineage OS allow you to use data/calling/network service?
Click to expand...
Click to collapse
I got the same question...
JTC Intl said:
Doubledragon5,
Did having your phone on Lineage OS allow you to use data/calling/network service?
Click to expand...
Click to collapse
If your on Sprint and talk and surf at the same time. Then No
doubledragon5 said:
If your on Sprint and talk and surf at the same time. Then No
Click to expand...
Click to collapse
Sorry, I need to clarify. Alot of Moto Z2 Force users have issues using their "unlocked" phones on compatible carriers. For instance, I have an unlocked Sprint Version of the phone, yet cannot use it on the Verizon network (even though both phones have compatible hardware). So there must be a glitch or Carrier lock in the phone's "Software Channel" preventing people from using their device on other networks (aka: have their phone unlocked).
Did using Lineage OS allow you to use your phone with whatever carrier (SIM change) without any modification besides the OS?
Please let me know if I need to clarify any further. Thank you!
Get Verizon Network to work on your Sprint Moto Z2 Force!
Follow these steps!
https://forum.xda-developers.com/z2-force/how-to/free-sprint-moto-z2-force-carrier-t3843824
JTC Intl said:
Sorry, I need to clarify. Alot of Moto Z2 Force users have issues using their "unlocked" phones on compatible carriers. For instance, I have an unlocked Sprint Version of the phone, yet cannot use it on the Verizon network (even though both phones have compatible hardware). So there must be a glitch or Carrier lock in the phone's "Software Channel" preventing people from using their device on other networks (aka: have their phone unlocked).
Did using Lineage OS allow you to use your phone with whatever carrier (SIM change) without any modification besides the OS?
Please let me know if I need to clarify any further. Thank you!
Click to expand...
Click to collapse
Sorry. I did not use my phone on any other carrier.. But I believe this phone you can use on T-Mobile, Cricket or even AT&T.. Providing it is also GSM compatible.. A buddy of mine recently left Sprint, and has a Iphone 7 and he went to Cricket.. Best move he every made.. And not that the GSM is unlocked he can talk, and do internet without issues. I hope this helps. I also now have a LG G7 ThinQ as I was having issues with LTE and Call issues, and Sprint sent me that, and I sent then back my Moto Z2 Force.
JTC Intl said:
Sorry, I need to clarify. Alot of Moto Z2 Force users have issues using their "unlocked" phones on compatible carriers. For instance, I have an unlocked Sprint Version of the phone, yet cannot use it on the Verizon network (even though both phones have compatible hardware). So there must be a glitch or Carrier lock in the phone's "Software Channel" preventing people from using their device on other networks (aka: have their phone unlocked).
Did using Lineage OS allow you to use your phone with whatever carrier (SIM change) without any modification besides the OS?
Please let me know if I need to clarify any further. Thank you!
Click to expand...
Click to collapse
Verizon is the only carrier you can't use. Verizon is a CDMA carrier. They must have your IMEI in their database to get calls, sms, MMS, etc. AT&T works, T-Mobile works... They are GSM so as long as the phone can connect to the towers, they don't care really.
Uzephi said:
Verizon is the only carrier you can't use. Verizon is a CDMA carrier. They must have your IMEI in their database to get calls, sms, MMS, etc. AT&T works, T-Mobile works... They are GSM so as long as the phone can connect to the towers, they don't care really.
Click to expand...
Click to collapse
Verizon is ALSO GSM and 4G LTE...and switching over to 5G. Strange thing is, when we initially got the Sprint phone and put in the Verizon SIM card, the phone actually recognized the Verizon SIM and all data, network, and calling WERE working, without having any dialog with Verizon (ALSO: without the phone's IMEI number on Verizon's database). It wasn't until the phone was updated to a more current Oreo Operating System that the SIM card wasn't recognized. Leading me to understand/believe that THERE DOES EXIST a ROM that allows a Sprint Moto Z2 Force to work on the Verizon network...just a matter of finding which one.
Also, when we installed Lineage OS onto the Sprint Moto Z2 Force, the Network options actually ALLOWED us to put in Access Point Name (APN) fields, but prevented us from saving them, saying user access denied (Rooting the phone may allow access to these settings?).
Also, once Lineage OS was installed, the Network could be taken off from, "Actively Connect" to a network and re-directed to a Carrier specific Network...Verizon being one of them, yet when doing so, we received an error message, "SIM card prevented linkage"....This we are assuming IS an issue with the IMEI (???), yet the IMEI # is different than the SIM #.
We currently are trying to work with Verizon Wireless to alter their, "Bring Your Own Device" settings to see if they WILL ALLOW a compatible hardware phone to be added to their platform by adding the IMEI to their database...
Still trouble shooting and fingers still crossed...
UPDATE:
Verizon working on Sprint Version Moto Z2 Force via Oreo OCXS27.109-48-3 (NOT listed in Motorola mirrors lolinet firmware page). We suggest doing an install of an older version of Oreo (i.e., OCX27.109-48 from 3/2018), then a "Motorola System Update" will pop-up suggesting you to update to version Oreo OCXS27.109-48-3...once install has completed, pop in your Verizon SIM card and voila! Network connection, data service, hotspot, & voice calling all working!
Now the key is to NOT do any future updates and disable the app "System Update" and force stop "Motorola Update Services" (if rooted, disable it!).
We're still working on what Sprint Applications can/need to get disabled, as notifications for "Mobile ID and "Mobile Installer" are still on the pull down notification screen. (Rooting most likely required for these).
I have a new Sprint unlocked Samsung S9 SM-G960U1 and am trying to get the wifi-calling to work with Cricket Wireless. Currently the wifi calling option doesn't even show up. I was wondering if flashing an after market ROM would enable me to access the wifi-calling feature. Cricket supports wifi-calling, but only on Android devices purchased from Cricket (a note I didn't see before I bought the phone). If there is please letr me know which ROM would help me achieve this.
Thanks
Stormer99 said:
I have a new Sprint unlocked Samsung S9 SM-G960U1 and am trying to get the wifi-calling to work with Cricket Wireless. Currently the wifi calling option doesn't even show up. I was wondering if flashing an after market ROM would enable me to access the wifi-calling feature. Cricket supports wifi-calling, but only on Android devices purchased from Cricket (a note I didn't see before I bought the phone). If there is please letr me know which ROM would help me achieve this.
Thanks
Click to expand...
Click to collapse
Wifi calling and volte do not work on byod there is no roms for this phone. You can root but I can assure you this isnt gonna work either. All you can do is buy a cricket wifi calling enabled device
TheMadScientist said:
Wifi calling and volte do not work on byod there is no roms for this phone. You can root but I can assure you this isnt gonna work either. All you can do is buy a cricket wifi calling enabled device
Click to expand...
Click to collapse
incorrect. it merely needs to be provisioned by cricket on the back end by someone who isnt the typical moron with a headset. the reason byod devices have trouble is due to the IMEI not being listed in their system and it takes a ticket to be sent to the telephony dept and have it added. They dont like doing it, but they will when pushed. Unlocked A8 and A6 on cricket both had wifi calling and VoLTE after provisioning was complete.
you also have to have the right csc on the phone.
Youdoofus said:
incorrect. it merely needs to be provisioned by cricket on the back end by someone who isnt the typical moron with a headset. the reason byod devices have trouble is due to the IMEI not being listed in their system and it takes a ticket to be sent to the telephony dept and have it added. They dont like doing it, but they will when pushed. Unlocked A8 and A6 on cricket both had wifi calling and VoLTE after provisioning was complete.
you also have to have the right csc on the phone.
Click to expand...
Click to collapse
I have a method with imei from a good cricket wifi calling phone. And have it working. But I have to give them another imei once I have it provisioned. Once their system updates with my imei I lose my wifi calling. But after provisioning I give them my actual cricket devices imei and tell them the system is still showing my byod imei they need to change it back to the other device. It works. But imei in their system is wrong.
Not imei switching or anything like that. I physically own a stylo 5 from cricket I dont use. So they think I'm on that and not my g9650. So I know it's possible just a real pain
*********UPDATE********** I bought a new sim from straight talk and VOLTE works now! (GSM compatible Straight Talk Sim card) My old sim was from 2014, so it wasn't VOLTE compatible.
I have an ebay zombie LG G710ULM flashed to latest Google Fi Android 9 software, I received an email from Straight Talk (Wal-Mart US cell phone service reseller) telling me that my LG G7 does not support VoLTE and my phone will be unable to receive calls in January 2021.
-Using a network info app, the app is telling me it is connected to T-Mobile towers (so I have a Straight Talk T-Mobile compatible SIM)
-I can't find any options to enable VoLTE in settings, and wifi calling is erroring out
I was wondering if there are ways to get VoLTE and Wifi Calling working (Straight Talk supports it, but not my current ROM/SIM).
I can switch to the following sims supported by Straight Talk.
-AT&T Compatible Sim
-Verizon Compatible Sim? If my phone supports CDMA bands
OTHERWISE MOST OF US WILL HAVE A PAPERWEIGHT IN 2021!!!!!!!!!
Same problem
I'm having the same problem. Any progress on this?
I'd like to know this too. Surprised there is no traffic here with all the knowledgeable people on this forum.
G710EAW here. BTW There was an Android 10 update just two hours ago from Android 9. Someone with an 'EM' phone in another thread said VOWifi is "working now" but how do others know if it's working when January 1st comes around?
Falkentyne said:
I'd like to know this too. Surprised there is no traffic here with all the knowledgeable people on this forum.
G710EAW here. BTW There was an Android 10 update just two hours ago from Android 9. Someone with an 'EM' phone in another thread said VOWifi is "working now" but how do others know if it's working when January 1st comes around?
Click to expand...
Click to collapse
If you guys have cross flashed roms, then volte will not work. It doesnt work for any of us who have crossflashed. Whichever model.
You need to be on original software. Looks like some licensing thing that volte requires. They need to provision volte for all the phones. Sounds like they are not interested to provision it for g7. Odd that even EAW model which has original firmware, they sent that mail too....
Sad/Odd to see your carriers are suddenly changing to only Volte.
Is there a way to put it back to original software? I actually don't need it crossflashed to anything because it's a Verizon originally and I would like to use it on that network. Or does it not work that way?
Turnhoo said:
Is there a way to put it back to original software? I actually don't need it crossflashed to anything because it's a Verizon originally and I would like to use it on that network. Or does it not work that way?
Click to expand...
Click to collapse
Main issue is that your carriers dont want to provision volte for your G7s. So no guarantee if cross flashing back to original will work.
There is crossflashing guide in guides section with which you can go back to stock firmware. Do this at your own risk.
In our country we have a volte carrier called Jio. They provide an app called jiocall. Using that app you could use their service even if your phone is not volte capable. You will have to see if there are such apps for your carrier. Thats the only non technical, simpler solution.
I have some information that might make all of you guys happy.
I was told by Safelink Wireless that VOTLE is a function of BOTH the phone *AND* the sim card.
Basically, if the phone itself is VOLTE compatible but the sim card is not, then the phone will be reported on their system as not compatible, and will ask you to upgrade your phone.
However if a VOLTE compatible SIM is inserted, if the phone does in fact support VOLTE, it will then work. That's because it's provisioned on the carrier via the sim card itself.
If you purchased a sim via the "Buy your own sim" package, e.g. online or from Best Buy, etc, awhile ago, then that sim is not compatible. You simply need to call Tracphone/Safelink and ask to buy a VOLTE compatible SIM (which costs 99 cents). Then when you get it, call their tech department to have them transfer the phone service and phone number to the new SIM.
You can dial the phone's service menu and go to the VOLTE/GPRI menu and if the options are there, then the phone supports it.
What's the correct service menu number for our phones?
Falkentyne said:
I have some information that might make all of you guys happy.
I was told by Safelink Wireless that VOTLE is a function of BOTH the phone *AND* the sim card.
Basically, if the phone itself is VOLTE compatible but the sim card is not, then the phone will be reported on their system as not compatible, and will ask you to upgrade your phone.
However if a VOLTE compatible SIM is inserted, if the phone does in fact support VOLTE, it will then work. That's because it's provisioned on the carrier via the sim card itself.
If you purchased a sim via the "Buy your own sim" package, e.g. online or from Best Buy, etc, awhile ago, then that sim is not compatible. You simply need to call Tracphone/Safelink and ask to buy a VOLTE compatible SIM (which costs 99 cents). Then when you get it, call their tech department to have them transfer the phone service and phone number to the new SIM.
You can dial the phone's service menu and go to the VOLTE/GPRI menu and if the options are there, then the phone supports it.
Click to expand...
Click to collapse
Update, I recently bought a new sim and I have VOLTE right now on ULM android 9 latest security fix LG G7 image, running on Straight Talk.
took a while to understand lgup but my 710 oulm had a type oreo that the guy said couldnt be but i crossed flashed it to 10 i dont see the rom anymore and i hope i put it on another drive it was a canadian rom for android 10 works great otherwise im looking to get volte active in the *#*#4636#*#* phone menu you can see "provision for the setting under the radio on off but its a grey area the buttons dont work could be good could be bad its definately part of 10 but ?? grey areas preferred network could be sketchy to play with the phone initially on transition had incredible link up speed now its giving me a pain because assume i played with the connection preferences tab and its a registration error like dum just use the assigned sim guys and stop trying to mac or identify with every device anyway its the registration of a telephone number robo heads