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**The file will only work on the G900T-OB1 Stock Build. Use on custom ROM's may cause issues with the ROM**
Instructions:
1. Place the G900T_OB1_TetherAddOn.zip onto your ext-sdcard.
2. Reboot into TWRP Recovery.
3. Flash the AddOn.zip but Do Not Wipe Prior to Flashing!
4. Reboot. Done!
To revert back to stock follow the above instructions but flash the: G900T_OB1_TetherAddOn_Revert-to-Stock.zip
Known Issues:
1. You will only be able to access "4G" Data Speeds while the Hotspot is enabled.
Will test to confirm if it works
Twiggy4K said:
Will test to confirm if it works
Click to expand...
Click to collapse
Thanks for that. Successfully did this for both Att & Vz variants.
Works! Successfully tested on SM-G900T1 MetroPCS running ViSX ROM (T-Mobile)
It works for a few hours. Woke up this morning and the same device connected said that it could not connect to the Internet. Still looking into it
muniz_ri said:
Thanks for that. Successfully did this for both Att & Vz variants.
Click to expand...
Click to collapse
Muniz, I found out that if I set my data to WCDMA (4G) it enables the Hotspot and let's users get on the Internet. When I enable 4GLTE, it disables access to the Internet. Do you know any way around it?
Twiggy4K said:
Muniz, I found out that if I set my data to WCDMA (4G) it enables the Hotspot and let's users get on the Internet. When I enable 4GLTE, it disables access to the Internet. Do you know any way around it?
Click to expand...
Click to collapse
Are you saying that the mod is not necessary and hotspot can be enabled for all by switching to wcdma? Is this true for both MetroPCS and Tmobile?
muniz_ri said:
Are you saying that the mod is not necessary and hotspot can be enabled for all by switching to wcdma? Is this true for both MetroPCS and Tmobile?
Click to expand...
Click to collapse
No man, what I'm saying is that the mod works fine only on basic 4G. Not 4GLTE.
Twiggy4K said:
No man, what I'm saying is that the mod works fine only on basic 4G. Not 4GLTE.
Click to expand...
Click to collapse
Got it, but I don't know what could be causing that. Others using the mod will have to chime in if they are having the same issue.
muniz_ri said:
Got it, but I don't know what could be causing that. Others using the mod will have to chime in if they are having the same issue.
Click to expand...
Click to collapse
I would love to test it out on 4GLTE. Do you think there could be a check that stops it from enabling Internet for other devices?
Twiggy4K said:
I would love to test it out on 4GLTE. Do you think there could be a check that stops it from enabling Internet for other devices?
Click to expand...
Click to collapse
Other devices should just see it as any other wifi access point. I am on att and lte is working without issues. Others on vz are also not having issues. I would be interested in hearing if tmobile users are having the same issue.
It's as if 4GLTE is blocked. If other variants are working. There has to be a setting that I could set inside my phone that should enable Internet.
can confirm not working on [ROM] Twi5ted Lollipop 5.0 V1 i am however using the native tether app.would it make a difference if i were use WiFi Tether Router byFabio Grasso,that was the app i was using on 4.2.
The native hotspot in the stock tmobile rom and the tmobile 5.0 visionx rom creates its own apn settings and always defaults and reverts to pc.tmobile.com apn. This mod will only disable tethering verification and turn hotspot on. The only method I found to work is to make tethering apn and lte apn editable through customer.xml file using root Explorer. LTE apn needs to be set to ipv/4 only, turn on hotspot and go to settings, apn, and delete the tethering apn. You have to delete tethering apn every time you connect to the hotspot because the apn gets recreated by the app. If someone could figure out why it gets recreated that'd be awesome so the hotspot could default to LTE fast t-mobile.com apn. I can't find anything even changing the tethering apn in customer.xml file doesn't work. It gets recreated every time you turn on hotspot, but can be deleted once made editable through customer.xml file.
squirrel323 said:
can confirm not working on [ROM] Twi5ted Lollipop 5.0 V1 i am however using the native tether app.would it make a difference if i were use WiFi Tether Router byFabio Grasso,that was the app i was using on 4.2.
Click to expand...
Click to collapse
As stated in the OP this is for stock builds only.
muniz_ri said:
As stated in the OP this is for stock builds only.
Click to expand...
Click to collapse
Lol, clearly stated. Anyways, my APNs are set to fast.metropcs.com. Not the default tmobile ones. It doesn't create any extra APNs.
In the customers.Xml, the LTE is ipv4 because I changed it thinking that the different protocols would interfere with the Internet access but it didn't. So I don't understand why it's still just 4G instead of LTE that is allowed through... Muniz, you think there is an area in the xml that we could change to test? Since there is a TMOBILE US Tethering section or something similar to that in that xml
Twiggy4K said:
Lol, clearly stated. Anyways, my APNs are set to fast.metropcs.com. Not the default tmobile ones. It doesn't create any extra APNs.
In the customers.Xml, the LTE is ipv4 because I changed it thinking that the different protocols would interfere with the Internet access but it didn't. So I don't understand why it's still just 4G instead of LTE that is allowed through... Muniz, you think there is an area in the xml that we could change to test? Since there is a TMOBILE US Tethering section or something similar to that in that xml
Click to expand...
Click to collapse
I just ordered a G900T so will look into it once I have my new device and as time permits.
Thanks a lot. I been looking for this all over the web.
Working on G900T OZOP lollipop
If it's not too much of an issue, do you think you can post the customer xmls for both the Att and Verizon variants. To see if there's anything in there?
Also, do you know why it is only 4G speeds that are capable of going through?
Twiggy4K said:
If it's not too much of an issue, do you think you can post the customer xmls for both the Att and Verizon variants. To see if there's anything in there?
Also, do you know why it is only 4G speeds that are capable of going through?
Click to expand...
Click to collapse
Attached is the Vz customer.xml, it is very different. Also, try changing "pcweb.tmobile.com" to "fast.t-mobile.com" on line 348 of the Tmobile customer.xml. Worth a shot.
I notice that after update to android 8.0 everytime making a call my data switches over to H or 3g once the call ended it switches back to LTE and 8 notice that when on call the enhanced 4g LTE option is gray out. Does anyone have this problem? Im on T-Mobile
yht9425 said:
I notice that after update to android 8.0 everytime making a call my data switches over to H or 3g once the call ended it switches back to LTE and 8 notice that when on call the enhanced 4g LTE option is gray out. Does anyone have this problem? Im on T-Mobile
Click to expand...
Click to collapse
As I know that is not a problem . reason behind Switching network lte to 3g is that there is no call support available for 4g.
I am on 7.1.2 and I have same thing.
Sorry for my bad english.
QadirAliKhan said:
As I know that is not a problem . reason behind Switching network lte to 3g is that there is no call support available for 4g.
I am on 7.1.2 and I have same thing.
Sorry for my bad english.
Click to expand...
Click to collapse
It was working for me on 7.1.2
yht9425 said:
It was working for me on 7.1.2
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Click to collapse
Dear o my dear brother how it is possible to call without switching when there is no calling support for lte ...??
I am not force my point but think dear ..
QadirAliKhan said:
Dear o my dear brother how it is possible to call without switching when there is no calling support for lte ...??
I am not force my point but think dear ..
Click to expand...
Click to collapse
You are aware that voice over lte (volte) is a thing right?
On most carriers you can absolutely call over lte, so IDK what the hell you're talking about
EDIT: at least here in the states, we have volte, not sure where you live, but sucks if you don't.
On topic though, I'm not sure what's up with your volte. I'm on O official and I just checked and my advanced calling is working fine and not greyed out.
I show it as enabled on mine. How did you update to O? I dirty flashed the factory image via fastboot. I am roaming though currently.
I did have some issues with Carrier Services though a couple of months ago. Have you tried rolling that back, rebooting your device, and seeing if you can enable Enhanced LTE?
jcsww said:
I show it as enabled on mine. How did you update to O? I dirty flashed the factory image via fastboot. I am roaming though currently.
I did have some issues with Carrier Services though a couple of months ago. Have you tried rolling that back, rebooting your device, and seeing if you can enable Enhanced LTE?
Click to expand...
Click to collapse
Enhanced 4g LTE is is only gray out doing phone calls, so doing calls my data will switch to H or 3g right after i hangup the call it switch back to LTE and enhanced 4gLTE option be enabled again. I was able to get volLTE on 7.1.2 on T-Mobile network after android O it broke
swapavi said:
You are aware that voice over lte lte) is a thing right?
On most carriers you can absolutely call over lte, so IDK what the hell you're talking about
EDIT: at least here in the states, we have volte, not sure where you live, but sucks if you don't.
On topic though, I'm not sure what's up with your volte. I'm on O official and I just checked and my advanced calling is working fine and not greyed out.
Click to expand...
Click to collapse
R u with TMobile? Does ur data switch to 3g or h while on phone call and switch back to LTE when u done with ur call?
yht9425 said:
R u with TMobile? Does ur data switch to 3g or h while on phone call and switch back to LTE when u done with ur call?
Click to expand...
Click to collapse
Yep, T-Mobile. And it stays on LTE all the time. It's lte before a call, lte during a call, and lte after a call.
I manually flashed (clean flash) the imaged though.
swapavi said:
Yep, T-Mobile. And it stays on LTE all the time. It's lte before a call, lte during a call, and lte after a call.
I manually flashed (clean flash) the imaged though.
Click to expand...
Click to collapse
I manually flash the image too even did a factory reset again, still same issue
swapavi said:
Yep, T-Mobile. And it stays on LTE all the time. It's lte before a call, lte during a call, and lte after a call.
I manually flashed (clean flash) the imaged though.
Click to expand...
Click to collapse
Can you tell me the steps u did to clean flash the image? I wonder what i missed.. are u running a custom kernel ? Or all stock?
yht9425 said:
Can you tell me the steps u did to clean flash the image? I wonder what i missed.. are u running a custom kernel ? Or all stock?
Click to expand...
Click to collapse
Can u check and see what radio are u on?
yht9425 said:
Can u check and see what radio are u on?
Click to expand...
Click to collapse
Radio is 3.84
I opened the image up and flashed each individually
Fastboot flash system, flash vendor, flash boot, and flash recovery.
On elemental x 5.0.3 right now.
I had this problem and I had a hunch after checking the *#*#4636#*#* menu that everything was enabled. It did say wifi calling was unregistered but was enabled. Same with the volte option, so when I got home I made sure to make a wifi calling enabled call. Then disabled wifi to verify my hunch and made a regular cellular call and viola volte was working. Might be something to try if you have not.
My LTE hasn't functioned ever since I updated to Android 8. I cannot get access to the internet, links pasted in whatsapp chats do not work. I still get whatsapp messages and emails but no access to internet either from links or from Firefox/Chrome. Plus, the LTE band is perenially off.
yht9425 said:
I notice that after update to android 8.0 everytime making a call my data switches over to H or 3g once the call ended it switches back to LTE and 8 notice that when on call the enhanced 4g LTE option is gray out. Does anyone have this problem? Im on T-Mobile
Click to expand...
Click to collapse
I am on T-Mobile running 8.0.0 OP6.170623.019 build. I can confirm that VoLTE is working for me.
My phone stays on LTE while on a call.
Wi-Fi calling also works, as does native Visual Voicemail.
You may want to try going to the APN settings and "Reset to default". Afterwards, check the top one if it is not already selected.
The IMS ones are for VoLTE, Wi-Fi calling and SMS over IMS.
SpookyTunes said:
I am on T-Mobile running 8.0.0 OP6.170623.019 build. I can confirm that VoLTE is working for me.
My phone stays on LTE while on a call.
Wi-Fi calling also works, as does native Visual Voicemail.
You may want to try going to the APN settings and "Reset to default". Afterwards, check the top one if it is not already selected.
The IMS ones are for VoLTE, Wi-Fi calling and SMS over IMS.
Click to expand...
Click to collapse
Its weird when i install the September build it wont read my sim card at all
Sorry for the off topic question, just wondering if the LTE aggregation issue with 7.x radios and T-Mobile is fixed in oreo?
vivilxw said:
Sorry for the off topic question, just wondering if the LTE aggregation issue with 7.x radios and T-Mobile is fixed in oreo?
Click to expand...
Click to collapse
I have read it is better, but not completely fixed with the new baseband image. Personally never had the issue myself. I am in NYC and we have B4, B12, and B2 all deployed. I am in and out of the subway so my phone drops and re-connects many times a day without issue. I did have some issues after the 6.0.1 update, but solved it by forcing my phone to 2G, then 3G, then LTE. I never had an issue after that.
I would like a copy of the com.huawei.carrierconfig apk from a mate 20 pro that has wifi calling and volte enabled.
You can extract it with an app called APK Analyzer.
I am trying to see if I can find a way to enable wifi calling on a phone that doesn't have the option to turn it on.
I think volte is down to your carrier all mobile devices have the option but your carrier has to enable it to allow it to work
mancuk29 said:
I think volte is down to your carrier all mobile devices have the option but your carrier has to enable it to allow it to work
Click to expand...
Click to collapse
My carrier has both. My phone just doesn't seem to have the required config for it to work on T-Mobile US.
Nicelysedated said:
My carrier has both. My phone just doesn't seem to have the required config for it to work on T-Mobile US.
Click to expand...
Click to collapse
Did you use a sin card which already had been used in a phone with wifi calling?
Or was this a new sim? I'm thinking that they have to provision it for these features to work. I've had better success with Tmo in person at the corporate stores. Maybe try in person at an official Tmo store.
I really need WiFi Calling in order to reasonably use this phone for calls from my house due to a poor Network signal. There is no Wifi Calling option in Calls -> Settings or in Settings -> Network & internet -> Mobile network anywhere. Also when I do *#*#4636#*#* and go into Phone information Wifi Calling Provisioned option is grayed out.
Nope. Last time I saw wifi calling available was on the XZP. Wasn't an option for the XZ3, and still not an option for the Xperia 1. Try giving tmobile a call or maybe sony support and ask if they can add wifi calling support.
reiriop said:
I really need WiFi Calling in order to reasonably use this phone for calls from my house due to a poor Network signal. There is no Wifi Calling option in Calls -> Settings or in Settings -> Network & internet -> Mobile network anywhere. Also when I do *#*#4636#*#* and go into Phone information Wifi Calling Provisioned option is grayed out.
Click to expand...
Click to collapse
Option is here for me. Can you not flash a non branded firmware?
Mackay53 said:
Option is here for me. Can you not flash a non branded firmware?
Click to expand...
Click to collapse
Which frimeware is that ? Is that US unbranded
Nope, no wifi calling for me. I originally had the J9110 model (international dual sim, hong kong) but i recently flashed it with the US firmware. No dice, unfortunately. But since changing to the US firmware, I now get VoLTE and group message in Android Messages. It's a start.
Ya VoLTE is working fine and appears as provisioned in the hidden menu. So it seems like I will have to do something similar to what I did on the XZ Premium in order to get WiFi Calling...but I will wait until there is a DRM backup process.
reiriop said:
Ya VoLTE is working fine and appears as provisioned in the hidden menu. So it seems like I will have to do something similar to what I did on the XZ Premium in order to get WiFi Calling...but I will wait until there is a DRM backup process.
Click to expand...
Click to collapse
I see the same thing as you. How did you do it on the xz premium?
I had to root it and flash a zip that someone made for it, it might be possible to use the same zip but I'm not going to root mine until there is a DRM backup method. I barely every talk on the phone without LTE service so it's more so just really annoying not having WiFi Calling. I think a bunch of people were using the same zip for the 2017/2018 xperia phones to get it working.
I have XZ premium and XZ1 and wifi calling option is displayed when I use the Jio sim but not displayed when using Airtel sim (using Airtel broadband), so our phones do have wifi calling facility but working only with Jio sim, although Sony is not shown in the compatible phones list. I am in India.
That also stresses me out on My Xperia 5. Don't know If You talked about My Zips for VoLTE and the other Features but i didn't get it to work actually on Android 10. Possible that i just don't have the right Firmware atm (Customized EU / My Devices Firmware isn't Out yet), so i'm using Custom UK Firmware but that should also work... I'm a bit confused so i switched to GSIs which Made it even worse... Looks like we should start making Custom Vendors for our Xperias since the Methods changed over Android 7-8-9-10
Can you flash the dual sim model to work with a single sim firmware and does Wi-fi Calling Work later?
yes, that's what i did with my xz3. volte works with tmobile, but not att.
I was in an area with no tmobile network and was not able to use the wifi calling and mobile texting. I tried using tmobiles APN without success.
Anyone able to get wifi calling working?
I am on Mui global 11.0.11.
Any 3rd party rom with wifi calling working?
Thanks!
Correct. It doesn't work. This has been discussed before and is known. There's no apparent way to activate it. You can "unlock" the sliders in the settings menu for both wifi calling and VoLTE, but neither one works.
Anyone roms with working wifi calling and text?
Wifi calling does work with my Curtana 9S global. I'm on EE in the UK, no special permissions required from my operator, same with VoLTE. Both worked straight out of the box. Note the wifi calling icon in screenshot.
The problem might be down to your carrier.
galaxy6220 said:
Wifi calling does work with my Curtana 9S global. I'm on EE in the UK, no special permissions required from my operator, same with VoLTE. Both worked straight out of the box. Note the wifi calling icon in screenshot.
The problem might be down to your carrier.
Click to expand...
Click to collapse
I don't have "Network Preferences" listed.
galaxy6220 said:
Wifi calling does work with my Curtana 9S global. I'm on EE in the UK, no special permissions required from my operator, same with VoLTE. Both worked straight out of the box. Note the wifi calling icon in screenshot.
The problem might be down to your carrier.
Click to expand...
Click to collapse
I'm not saying I trust their word, but I spent some time talking to T-Mobile tech support, and he assured me it was a software issue. Maybe he was lying, but I'm hoping with MIUI, we may see it work.
mweich said:
I'm not saying I trust their word, but I spent some time talking to T-Mobile tech support, and he assured me it was a software issue. Maybe he was lying, but I'm hoping with MIUI, we may see it work.
Click to expand...
Click to collapse
Who knows when we'll get Mui 12.
Can anyone confirm wifi calling (tmobile USA) working with 3rd party ROM?
williamsonoma said:
Who knows when we'll get Mui 12.
Can anyone confirm wifi calling (tmobile USA) working with 3rd party ROM?
Click to expand...
Click to collapse
I'm in your exact situation. I also use T-Mobile. I also don't have a network preferences option. I unlocked both the wifi calling and the VoLTE option using the phone dialer codes that are posted on here somwhere. But neither seem to do anything as they are switched on. I'm inclined to believe that it IS IN FACT a software bug because I also have a Xiaomi Mi Note 10 using the same exact software (MIUI) and VoLTE and Wifi Calling work fine on that device.
xphyle1971 said:
I'm in your exact situation. I also use T-Mobile. I also don't have a network preferences option. I unlocked both the wifi calling and the VoLTE option using the phone dialer codes that are posted on here somwhere. But neither seem to do anything as they are switched on. I'm inclined to believe that it IS IN FACT a software bug because I also have a Xiaomi Mi Note 10 using the same exact software (MIUI) and VoLTE and Wifi Calling work fine on that device.
Click to expand...
Click to collapse
I hope mui12 will solve this issue. I need wifi calling.
I have Tmo as well. I was unable to get volte/WiFi calling to work either with stock or on Havoc 3.7. The only alternative I came up with was to activate WiFi calling within google voice as a backup. WiFi calling worked through gvoice. I tested by removing my Tmo sim, and was able to make a call via WiFi only.
I believe it is a combination of both software and Tmo network configuration. Texting is also finicky always. However, gvoice is the only solution that I have come up with.
My previous phone, Umidigi, WiFi calling did work on stock firmware, but not on third party.
I've spent way too much time dealing with T-Mobile tech support trying to get wifi calling to work. I think it is a mix of both software and carrier interference. From what I gather, the crux of the issue is that your carrier has to approve IMS Registration. I don't believe there is a way to force it, unless someone would like to tell me I'm wrong.
I love this device, but it is becoming difficult to keep with Wifi calling unavailable as my coverage in my house is terrible.