[Question] WIFI Calling on At&t - Razer Phone 2 Questions & Answers

Does anyone figured how to enable subj. on unlocked phone?
It does appeared in settings and allowed to be enabled, but in *#*#4636#*#* it show's as unavailable.

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GSM Unlocked but no signal

Hey guys, I unlocked my Sprint HTC one with the Sim Unlocker app and followed directions as instructed but for some reason I cant get it to pick up service. I tried switching it to every radio combination (WCDMA, GSM- only etc) but no luck. Im running Rage's ROM and Im everything But S-off. I even flashed the initial radio to see if that it but to no avail, Im tring to using it on the ATT network.
Any input?
If there anyway that I can manually get the dialer to ask me for the network unlick code ? I have My SPC and Unlock code but I still havent input them into the device
I am having the same problem too. I have successfully sim unlocked my Sprint HTC One, dialed *#*#4636#*#* and changed the connection to GSM mode (only & perf). When I tried to go to tab "Available GSM networks", both option "Search networks" and "Select automatically" are grayed out. I was able to select ATT in the "Access point names" but the phone still won't connect to the network.
Anybody could shine any light on this problem?
DrTai said:
I am having the same problem too. I have successfully sim unlocked my Sprint HTC One, dialed *#*#4636#*#* and changed the connection to GSM mode (only & perf). When I tried to go to tab "Available GSM networks", both option "Search networks" and "Select automatically" are grayed out. I was able to select ATT in the "Access point names" but the phone still won't connect to the network.
Anybody could shine any light on this problem?
Click to expand...
Click to collapse
Mine are still greyed out -___- I ran the sim unlock app and it's still greyed out
yeah same here. I almost want to think that the Sprint locked all the HTC One for good on their end...
DrTai said:
yeah same here. I almost want to think that the Sprint locked all the HTC One for good on their end...
Click to expand...
Click to collapse
Ok, here is what I did. First, do the #*#*4636*#*# and change to WCDMA PREFERRED mode, I know it sounds off, but do it. Next go to mobile network settings and change it to gsm mode. Reboot. Once rebooted go back to mobile network settings and go to Availavle GSM networks. and select the one you want, I use T-mobile. You MIGHT have to reboot again, sometimes I do, sometimes I dont.

[Q] How to enable EVDO data?

Hi to everyone!
After installing JB and trying to unlock GSM (no luck), I've decided to use 3G CDMA/EVDO network PEOPLEnet (Ukraine). Got their RUIM for test period. Voice calls and SMS works fine, but no data. Can't get it to work.
With this RUIM phone shows "No Service" on the lock screen and in "settings/about phone/status" page. But, it shows signal in statusbar and in "settings/about phone/status/network type and strength" it shows 1X = -60dBm, and 3G = -58dBm. So I think it actually phone do see network and due to some locks in firmware just doesn't work.
Is there any way to get around this? Some hidden settings in databases or else? Anything?

[Q] Enable network mode menu or remove lock for changing modes

Hello
Now that we have root I would like to change my network mode, my S6 edge is only in LTE/GSM by default.
I don't have the network mode menu in settings, and if I go to *#*#4636#*#* I can see all the possible settings, but only a few of them are enabled. (GSM only, LTE only, WCDMA only, LTE/GSM), but not the one I want LTE/WCDMA/GSM, when I select it, it goes back to the option previously selected.
Anyone else dealing with this?
Will root help us to find a way to change this?
Thank you
your problem is the same to my s6 SM- g920F
Try you tube video " How To Change Network Bands on Any Samsung Phone Without Root" haven't tried myself

Wifi Calling ATT Sim

Hello all,
I would like to get wifi calling working.
Unfortunately it is greyed out in #*#*4636*#*#
I have disabled carrier check.
Does anyone have it working.?

WiFi Calling on Mi 9 Lite

Hey Everyone,
Have any of you managed to get WiFi Calling working on this device without root?
I'm considering upgrading to this phone from my flawless Redmi Note 7.
However, the only feature I would need confirmation works is the WiFi calling.
Is this working on this device without root?
If yes, does anyone know if WiFi calling can work on TMobile?
I am using WiFi calling and VoLTE on T-Mobile in the US. I followed the directions on the thread below. When I ran the *#*#*****#*#* code, it gives a message about VoWifi/LTE carrier check enabled or disabled. After making sure the APN was correct (especially the APN Type), enter the code until it says that the VoWiFi/LTE check is DISABLED. Once it is disabled, you should see the option to enable WiFi calling and VoLTE in the SIM card settings. It will then show the status during calls whether it is a WiFi call or VoLTE call. It may require a reboot after the codes are entered.
https://forum.xda-developers.com/Mi-9/how-to/wifi-calling-volte-mi-9-t3917887
bryantthesmith said:
I am using WiFi calling and VoLTE on T-Mobile in the US. I followed the directions on the thread below. When I ran the *#*#*****#*#* code, it gives a message about VoWifi/LTE carrier check enabled or disabled. After making sure the APN was correct (especially the APN Type), enter the code until it says that the VoWiFi/LTE check is DISABLED. Once it is disabled, you should see the option to enable WiFi calling and VoLTE in the SIM card settings. It will then show the status during calls whether it is a WiFi call or VoLTE call. It may require a reboot after the codes are entered.
https://forum.xda-developers.com/Mi-9/how-to/wifi-calling-volte-mi-9-t3917887
Click to expand...
Click to collapse
Thanks Man!
I appreciate your prompt and thorough response.
I haven't been able to get WiFi calling working on my Redmi Note 7 and tried just about everything. (Outside of root)
Now that you've said that I have hope I'll get WiFi calling working on the Mi Lite 9 and think I may get one!
May I ask if you're rooted?
Also which firmware do you have?

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