Hello everyone! How are you all today? I hope this day finds you well! My question is, if I downgrade my at&t s6 active to 5.0.2 and root it, then will I be able to flash a rom to it that supports the t-mobile/metropcs VOLTE and wifi-calling? I use metropcs, and I got a good deal on this unlocked phone, but I didn't know the at&t Volte works differently than metropcs, and as a result my service has worsened.
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As the subject stated, I have AT&T version of the Galaxy S4 Active. The phone is unlocked (code provided by AT&T) and now I have a T-Mobile SIM card.
I want to do Wi-Fi calling, but couldn't find any information in this forum or when Googling it.
Can anyone provide step-by-step information on this? Preferably, I don't want to install a custom ROM - I use stock ROM (rooted) and it has been stable so far.
lanwarrior said:
As the subject stated, I have AT&T version of the Galaxy S4 Active. The phone is unlocked (code provided by AT&T) and now I have a T-Mobile SIM card.
I want to do Wi-Fi calling, but couldn't find any information in this forum or when Googling it.
Can anyone provide step-by-step information on this? Preferably, I don't want to install a custom ROM - I use stock ROM (rooted) and it has been stable so far.
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Click to collapse
Check this thread for T-Mobile WiFi calling ( http://forum.xda-developers.com/showthread.php?t=2302313). You've got two things working against you though. First you have the AT&T version of the phone, so ours locked down and you can't fully flash ROMs to the phone. You can use SafeStrap to flash ROMs but because of the bootloader being locked your stock with the stock kernel. Second, nobody has got T-Mobile WiFi calling working on non T-Mobile ROMs. So basically you can't do it with the phone you've got.
Thanks for the detailed information. Looks like it's not doable given the locked boot loader. :sly:
Guys, I have a question for anyone that's SIM unlocked their 920T's. At the moment, my 920T is running xtresolite 2.2. It's based off a 920F firmware. As you know, this is an International version. To further complicate things, I needed to SIM unlock my phone so right now I'm using the MetroPCS COF9 baseband. Every time I switch back to a T-Mobile based ROM, my SIM unlock gets pulled and the phone is relocked back to T-Mobile (has been confirmed in multiple posts on XDA). I'd just stay with xtresolite 2.2 but I have no wifi calling or volte. I'm trying to find a rom for this phone that supports a different carrier sim as well as volte/wifi calling when I switch back to my T-Mobile sim. Is this possible?
All the ROM's I find for the 920T are either locked down T-Mobile ROM's under that development section and the general development section is mostly compatible International variants - but lacking WiFi calling or VoLTE. I'm beginning to think these two things just can't work together on the same ROM.
Thanks so much in advanced for a reply!
joesee said:
Guys, I have a question for anyone that's SIM unlocked their 920T's. At the moment, my 920T is running xtresolite 2.2. It's based off a 920F firmware. As you know, this is an International version. To further complicate things, I needed to SIM unlock my phone so right now I'm using the MetroPCS COF9 baseband. Every time I switch back to a T-Mobile based ROM, my SIM unlock gets pulled and the phone is relocked back to T-Mobile (has been confirmed in multiple posts on XDA). I'd just stay with xtresolite 2.2 but I have no wifi calling or volte. I'm trying to find a rom for this phone that supports a different carrier sim as well as volte/wifi calling when I switch back to my T-Mobile sim. Is this possible?
All the ROM's I find for the 920T are either locked down T-Mobile ROM's under that development section and the general development section is mostly compatible International variants - but lacking WiFi calling or VoLTE. I'm beginning to think these two things just can't work together on the same ROM.
Thanks so much in advanced for a reply!
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Click to collapse
If you want unlock while on T-Mobile rom. See here: http://forum.xda-developers.com/tmobile-galaxy-s6-edge/general/sim-unlock-t3186826/post62512066
Other than that, not sure about WIFI Calling etc
I recently purchased a factory unlocked T Mobile GS6. I intend to use it on Cricket. I don't expect to have any problems with that, but will I have problems flashing roms? Can I flash G920T roms?
Thanks in advance
Cricket uses the AT&T Network not T-Mobile
Zaphodspeaks said:
Cricket uses the AT&T Network not T-Mobile
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They overlap. An unlocked T-Mobile phone will work on cricket or ATT. I am not concerned about that. I am trying to find out, primarily, if I flash the MM rom for the 920T, will it 'lock' my phone?
Hello everyone!
I got the sprint note 5 running android nougat a few days ago but i'm having a problem... I doesn't let me use 4G Lte and that is a must for me. (Because of how data plans are here). I did some research regarding this device and it seems like its identical to the international note 5 which made me assume that the only thing blocking me from the 4g is the system installed in this phone. What i want to know is: Will i have 4G/LTE if i flash twrp and install a custom rom? The band i need is B7 (2600).
Your help would mean a lot.
Thanks!
PS: If I can't get this to work with 4g ill have to get a verizon note 5 which, from my past experience with verizon devices should have a locked bootloader and pretty much i'll be stuck to android 7.0 :crying:
-Configure your APNs and reboot
-Get your phone unlocked by Octoplus box
-Yeah, you could try a custom ROM
Does s21 ultra unlocked have wifi calling with att? I got the tmobile version if I flash unlocked software would I get wifi calling option with att?
Also if you flash carrier specific firmware do you get their updates as well or based on your sim?
mshouman123 said:
Does s21 ultra unlocked have wifi calling with att? I got the tmobile version if I flash unlocked software would I get wifi calling option with att?
Also if you flash carrier specific firmware do you get their updates as well or based on your sim?
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Someone just posted that they bought the unlocked US version and wifi calling is working for them with ATT without flashing any firmware. Hopefully it is the case.
mshouman123 said:
Does s21 ultra unlocked have wifi calling with att? I got the tmobile version if I flash unlocked software would I get wifi calling option with att?
Also if you flash carrier specific firmware do you get their updates as well or based on your sim?
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Click to collapse
Unlocked on AT&T wifi calling works fine, HDVoice (AT&T version of VoLTE) works also.
Can't help you with the flashing questions.
Hello, I return to the topic, the security patch for the month of March for the SM-G998U1 has arrived and Wi-Fi calls have stopped working, someone else has stopped working, I am on Android 13