EE UK WiFi Calling G900F - Galaxy S 5 Q&A, Help & Troubleshooting

Hey guys, I've got an S5 which I originally bought from phones4u, which is an unlocked and unbranded (BTU) S5.
I would like to use the WiFi calling feature as the signal in my new house isn't great. The WiFi calling option isn't available in the menus on my phone. Does anyone know if I can simply flash the EE branded firmware and it'll start working? Or is there something else I'll need to do?
Thanks!

If u try it ....post ur findings as im the same

Im just swapping to a T-Mobile stock deodexed rom from my EE one (needed a deodexed stock rom) and i will report back, but doubt it will work as it works off your Sim card and will most likely just tell you IMEI number is wrong or something
Yeah it seems it WILL work if you have a T-Mobile sim.

Cool! Well I know EE support WiFi calling, so should work. Thanks for posting your findings!
Did you flash over the top or did you wipe? Not sure I can be bothered to do a full wipe [emoji14]
Sent from my SM-G900F using Tapatalk

Related

[Q] Do I need to unlock to use BTU firmware?

I recently purchased a Galaxy S4 i9505 on EE from Carphone Warehouse, and flashed the 5.0.1 BTU firmware. After I did that I then read I'd need to be carrier unlocked, but I tried calling and receiving calls and messages and using 4g and it worked fine. I also saw some posts about flashing modems. Anyway I'm really confused about what I need to do; should I try and unlock or not. Thanks everyone for your help.
The BTU firmware has no carrier branding, which means it has no carrier logos or bloatware included in it. Other than the lack of carrier doodads, it's the same firmware. You shouldn't need to flash a modem as you already have the latest, from when you installed the BTU ROM. However, the S4 would need to be unlocked for use on any carrier if your SIM isn't an EE SIM. But, you either have an EE SIM, in which case you don't need to worry about it, or the S4 was unlocked by the store that sold it, in which case you don't need to worry about it.
TL;DR: Don't touch the ROM. Don't worry too much about the SIM because you can make calls and use data. You don't need to flash a modem.

Looking for UK Three Network 4G Super-Voice enabled firmware

I currently own the Galaxy S7 edge UK (unlocked) unbranded handset, however my network is with Three. Supposedly you need to have bought the handset from them to have 4G Super-Voice (VoLTE/HD-Voice) enabled, so I'm wondering if anyone can help me source the firmware. I'm sure this will be useful to anyone else on the Three network with an unbranded handset.
KingRamo said:
I currently own the Galaxy S7 edge UK (unlocked) unbranded handset, however my network is with Three. Supposedly you need to have bought the handset from them to have 4G Super-Voice (VoLTE/HD-Voice) enabled, so I'm wondering if anyone can help me source the firmware. I'm sure this will be useful to anyone else on the Three network with an unbranded handset.
Click to expand...
Click to collapse
Do you know what csc code they use?
Might it be this one?
Please note that this is just pure guessing. But it was the only one I could find that had anything to do with "three"
Neemac said:
Do you know what csc code they use?
Might it be this one?
Please note that this is just pure guessing. But it was the only one I could find that had anything to do with "three"
Click to expand...
Click to collapse
I'm not sure the CSC code, but this looks promising. Couldn't find anything regarding Three myself. Thanks
KingRamo said:
I'm not sure the CSC code, but this looks promising. Couldn't find anything regarding Three myself. Thanks
Click to expand...
Click to collapse
Three is a brand of CK Hutchison Holdings (Hutchinson 3G -> H3G). More info about: HERE.
Just download the app from playstore
Sent from my SM-G935F using XDA-Developers mobile app
I'm trying to do the same thing. Have you managed to get it workking. I found the following three firmware: H3G-G925FXXU3QOLD-20160111115713.zip
Latest BTU firmware has it as default (3 sim on unbranded S7 Edge).
Use the Samfirm tool (http://forum.xda-developers.com/galaxy-tab-s/general/tool-samfirm-samsung-firmware-t2988647).
1. Set "Model" as SM-G935F and "Region" as BTU.
2. Check "decrypt automatically".
3. Extract the decrypted file with WinRar or similar, then use odin to flash.
Sent from my SM-G935F using Tapatalk
Hi guys I have S7 edge unlocked bought straight from Samsung webshop. I am on THREE UK too.. and I wanna connect to band 20 but it doesnt let me ..
How can I lock the 4g on band 20?? Do i need to install a different firmware? i really need help
professorz said:
Hi guys I have S7 edge unlocked bought straight from Samsung webshop. I am on THREE UK too.. and I wanna connect to band 20 but it doesnt let me ..
How can I lock the 4g on band 20?? Do i need to install a different firmware? i really need help
Click to expand...
Click to collapse
No need to lock will stay default unless it auto changes by itself but for me its okay and 4G voice works fine as default like on all devices
There is no need to flash H3G firmware any more. I have returned back to stock unbranded volTE works.
Just use smartswitch to revert back to stock firmware!
Sorry for the bump but does anyone know what settings were changed on the S7 root directory to allow unbranded devices to connect? I looking at modifying the files myself for the 6P as Three don't seem to be taking the rollout seriously for unbranded devices - so far the only thing I've found that relates to H3G is the mcfg_sw.mbn that states "No VoLTE" within, though the Swedish H3G configuration allows VoLTE, so I'm going to try modifying that unless anyone around has any ideas?
I've got a three s7edge couldn't get volte to work ended up flashing btu firmware and there is it listed in Network and it's working when there is no coverage as I get a volte displayed along with the empty signal bars
Didn't trip knox and warranty intack
Sent from my SM-G935F using XDA-Developers mobile app
My stock firmware on a UK model has VoLTE enabled for Three UK. It's just not prioritised and only kicks in when low 3G signal.
As far as I understand it it will only work when u have no or very little signal
It's worked for me a few times such as deep inside a building
Sent from my SM-G935F using XDA-Developers mobile app
I'm on Vodafone even if your ROM supports it you have to ask Vodafone to enrol ????
Sent from my SM-G935F using XDA-Developers mobile app
Do you all have WiFi calling working? I'm on a Xiaomi Mi5 running LOS and would love to patch my ROM and ditch crappy threeInTouch
Sent from my MI 5 using Tapatalk

S8 Custom ROMs and AT&T WiFi Calling

Are there any custom ROMs (and CSC files) that allow the S8 to successfully have WiFi Calling and VoLTE on the AT&T network??
I am running RENOVATE ICE 3.0 but you need the Notorious Kernel 1.9 for Volte to work on T. Some kernels do not support Volte, but Notorious does. You also need to flash ATT from the Flashable CSC Selection V1.0.0, and create/edit the /efs/imei/mps_code.dat and put ATT in there. You can also delete the /system/omc/ATT/res directory to get rid of the annoying T jingle and boot screen. You then need to call ATT and ask the friendly customer service person to update your IMEI. But when you give them your current IMEI, they will not be able to find it since it is not a ATT phone. So they will use the IMEI of a similar phone. That will get Volte to work. But WiFi will not as I think the IMEI must match exactly in their system for WiFi to work.
Hello. I'm also trying to figure out the same. How can I unlock the G955U? is that even possible?
Ideally I'd like to get the CSC Patch installed so I can get WiFi Calling on ATT, as I do not have any reception in my area. Any Help here would be appreciated.
Can anyone help here? Thanks.
jcrompton said:
Are there any custom ROMs (and CSC files) that allow the S8 to successfully have WiFi Calling and VoLTE on the AT&T network??
Click to expand...
Click to collapse
You can flash csc seletcion after the rom.
That package contains the csc of att and the US generic. That generic is the one that I use and it works volte, wifi calling in tmobile ...
Hi Eddie, would you happen to know how to Root the G955U? its the Unlocked version of the phone. I've followed every step for CF-Auto-Root through Odin, but it fails every time. It seems like the Bootloader is locked? Any help would be appreciated here.
EddiePR said:
You can flash csc seletcion after the rom.
That package contains the csc of att and the US generic. That generic is the one that I use and it works volte, wifi calling in tmobile ...
Click to expand...
Click to collapse
Thanks
But I'm still trying to confirm that someone got AT&T WiFi calling to work
indoline said:
Hi Eddie, would you happen to know how to Root the G955U? its the Unlocked version of the phone. I've followed every step for CF-Auto-Root through Odin, but it fails every time. It seems like the Bootloader is locked? Any help would be appreciated here.
Click to expand...
Click to collapse
If you want to know the current root status for Galaxy S8/S8+ go to this forum: https://forum.xda-developers.com/galaxy-s8/how-to/current-root-progress-g950u-g955u-t3623444
---------- Post added at 02:21 AM ---------- Previous post was at 02:19 AM ----------
indoline said:
Hello. I'm also trying to figure out the same. How can I unlock the G955U? is that even possible?
Ideally I'd like to get the CSC Patch installed so I can get WiFi Calling on ATT, as I do not have any reception in my area. Any Help here would be appreciated.
Click to expand...
Click to collapse
If you mean network unlock, then follow the ToS on AT&T mobile and eventually you will be allowed to unlock your phone. And for you to switch from the firmware of SM-G955U to SM-G955U1, you gotta go to this forum: https://forum.xda-developers.com/galaxy-s8/how-to/rd-carrier-switch-root-snapdragon-t3597473
You will not get wifi calling unless u can provide to att an imei from a device that has wifi calling. Only feature u will get working is volte. It's different them tmobile.
Sent from my SM-G950U1 using Tapatalk
Strange answers .....
I just wanted to know if anyone had WiFi calling working while on AT&T ??
jcrompton said:
Strange answers .....
I just wanted to know if anyone had WiFi calling working while on AT&T ??
Click to expand...
Click to collapse
They do with a working imei. Could be from another phone on same account.
Sent from my SM-G950U1 using Tapatalk
Thor2j said:
They do with a working imei. Could be from another phone on same account.
Click to expand...
Click to collapse
Thank you for the answer
I am familiar with the need for an IMEI from a branded device ..... But I'm not even completely sure that's working for the S8+ like it did for my S7
I just haven't gotten anyone to 100% confirm WiFi calling on AT&T even with proper IMEI
jcrompton said:
Strange answers .....
I just wanted to know if anyone had WiFi calling working while on AT&T ??
Click to expand...
Click to collapse
Well i don't know from experience with at&t firmware but at&t should have wifi calling by default. If not and if wifi calling is an important feature towards you, then the last resort answer you have is to flash unlock firmware onto your device since that's the firmware everyone can use while it supports wifi calling and VoLTE (Voice Over LTE)
DaNamesFrank said:
Well i don't know from experience with at&t firmware but at&t should have wifi calling by default. If not and if wifi calling is an important feature towards you, then the last resort answer you have is to flash unlock firmware onto your device since that's the firmware everyone can use while it supports wifi calling and VoLTE (Voice Over LTE)
Click to expand...
Click to collapse
Once again, per other threads and myself, simply flashing the att firmware will only give you VOLte. You can toggle the wifi calling but it will say your account doesn't have this feature after about 5 seconds. If u call them and give them an imei number that is to a device that is an att device with the feature it will work. This is different then tmobile which will allow u both without doing anything except flashing their firmware.
Sent from my SM-G950U1 using Tapatalk
Flame Red said:
I am running RENOVATE ICE 3.0 but you need the Notorious Kernel 1.9 for Volte to work on T. Some kernels do not support Volte, but Notorious does. You also need to flash ATT from the Flashable CSC Selection V1.0.0, and create/edit the /efs/imei/mps_code.dat and put ATT in there. You can also delete the /system/omc/ATT/res directory to get rid of the annoying T jingle and boot screen. You then need to call ATT and ask the friendly customer service person to update your IMEI. But when you give them your current IMEI, they will not be able to find it since it is not a ATT phone. So they will use the IMEI of a similar phone. That will get Volte to work. But WiFi will not as I think the IMEI must match exactly in their system for WiFi to work.
Click to expand...
Click to collapse
EddiePR said:
You can flash csc seletcion after the rom.
That package contains the csc of att and the US generic. That generic is the one that I use and it works volte, wifi calling in tmobile ...
Click to expand...
Click to collapse
Thor2j said:
You will not get wifi calling unless u can provide to att an imei from a device that has wifi calling. Only feature u will get working is volte. It's different them tmobile.
Sent from my SM-G950U1 using Tapatalk
Click to expand...
Click to collapse
Thor2j said:
They do with a working imei. Could be from another phone on same account.
Sent from my SM-G950U1 using Tapatalk
Click to expand...
Click to collapse
Thor2j said:
Once again, per other threads and myself, simply flashing the att firmware will only give you VOLte. You can toggle the wifi calling but it will say your account doesn't have this feature after about 5 seconds. If u call them and give them an imei number that is to a device that is an att device with the feature it will work. This is different then tmobile which will allow u both without doing anything except flashing their firmware.
Sent from my SM-G950U1 using Tapatalk
Click to expand...
Click to collapse
Hello all ..... ( and @Tkkg1994 )
I'm still trying to get a definitive answer --- Has anyone personally been able to get an unbranded S8 or S8+ to activate WiFi Calling on the AT&T network (not TMo or others) ??
I'm trying to facilitate an issue with using S8 Ports on my unbranded S7 Edge where we can get VoLTE to work nicely but WiFi Calling will not activate (on the S8 port based ROMs).
I am aware (and have been for quite a while) that you must have an AT&T branded IMEI to get this to work on AT&T. I am also aware that this step is not needed on TMobile or really any other network.
I have tried the branded S7 IMEI that works great on my S7 to activate WiFi Calling while using many (most) S7 based ROMs. I have even tried branded IMEI's from ATT branded S8's and S8+'s .... but I can't get WiFi calling to activate while on any of the S8 port based ROMS (I get VoLTE nicely with many ROMS esp the latest BatMan S8 port ROM)
So to troubleshoot I am trying to confirm that even with the S8 or S8+ that WIFi Calling is or is not a possibilty ??
Thanks
jcrompton said:
So to troubleshoot I am trying to confirm that even with the S8 or S8+ that WIFi Calling is or is not a possibilty ??
Thanks
Click to expand...
Click to collapse
I am no developer, but I believe there are two possible causes in the case of T WiFi failure on Exynos:
Perhaps T requires the IMEI to exactly match as a security measure, and since they cannot use an International model IMEI it will never work.
Or there is something specifically compiled for the Snapdragon process and so when it is extract it will not run on the Exynos.
Either way, it won't work. I posted a LOGCAT when enabling it failed, but it is beyond my capability to debug and no one seemed to be able to figure it out.

Any way to get wifi calling on the U1 unlocked S8?

I have a new S8 (u1, XAA), unbranded unlocked, using ATT sim card etc. Is there any way to get the ATT features like wifi calling etc by flashing the ATT CSC or do I need to install a full ATT firmware?
f10a said:
I have a new S8 (u1, XAA), unbranded unlocked, using ATT sim card etc. Is there any way to get the ATT features like wifi calling etc by flashing the ATT CSC or do I need to install a full ATT firmware?
Click to expand...
Click to collapse
You need more then that. U need to provide att with an imei number from an att phone that has wifi calling available. And from what I hear it can't be iOS, must be android.
Sent from my SM-G950U1 using Tapatalk

Vodafone Germany on SM-G935T

Hey guys! I brought my unlocked T-Mobile USA S7 Edge to Germany and it works fine with either Vodafone or Telekom, but no Wi-Fi Calling works. They suggested me to get one of their phones but since I had to fully pay for this device to get it unlocked I don't want to throw 800 bucks away like that.
Is there a way to get this to work? Is it possible to flash a different CP / Modem / Radio / Firmware that could potentially get this working? I know the bootloader is locked but I'm not sure if there are any workarounds as I've seen people successfully getting G935U firmware to work on their unlocked T Mobile S7E.
Any advice? Thanks in advance!
Anyone? ?
You can easily flash "T" model with "U" firmware - been there, works well.
What do you mean by wifi calling? Ggl duo/hangouts, whatsapp, all that kind of apps work fine on whichever firmware.
PS. Flashing T/U versions works even if your bootloader is locked (mine is).
Hey!
Thank you for your reply. I managed to Flash the U Firmware but WiFi Calling or VOLTE still won't work. I can over whatsapp and it's cool I guess but would be good especially when calling some people overseas who don't UE whatsapp as wifi calling means no international roaming charges.
That or also the ability to just flash about any custom Roms would be cool too.

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