Volte on Pie ROMs - Xiaomi Redmi 4X Questions & Answers

Hey there since I couldn't find any thread regarding volte on Pie ROMs except gsi
My problem is that I can't get volte on any custom rom no where if it's Oreo or pie I've tried flashing every fix out there and tried changing kernels and fix from gsi
But it just don't work currently I'm on arrow os pie everything works flawless except volte IDK what's the issue with mine I just can't get to work. I'd like to know if everyone have it working and how they get it to work? I'm on firmware v45
Thanks

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Firmware issue? Maybe not? Join me in the discussion :)

Let's start off with something simple.
I am experiencing touch screen issues whereby a portion of my screen is entirely dead.
This happens on any ROM (custom or OOS) that uses the Nougat firmware.
BUT this does not happen on ROM that uses Oreo firmware.
Let's say I am using an Oreo ROM that is still using Nougat firmware, my touchscreen still has its issues.
I have tried a full wipe -> did not work.
I have tried the unbrick tool -> touchscreen still gives me issues (aka did not work).
Anyone has any ideas?
Hi Bobbi,
Please tell us your device, the ROMs you've tested with and provide links to the firmware that you flashed for Nougat and Oreo.
joshuous said:
Hi Bobbi,
Please tell us your device, the ROMs you've tested with and provide links to the firmware that you flashed for Nougat and Oreo.
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I'm using a OP3T. I've tried 4.5.0 firmware for Omni & Vertex but I have issues with screen.
i have kind of the same issue.. if i flash any custom rom like aosp or lineage upper portion of my phones display starts flickering phone works fine on stock or stock based rom couldn't find any workaround. i haven't tested any oreo aosp rom though . i have a a3010

Can't use VoLTE in any custom ROM

I'm on the latest firmware, tried many custom roms. Jio VoLTE doesn't work. Any solution?
should work
its should work dude
mayukh2000 said:
I'm on the latest firmware, tried many custom roms. Jio VoLTE doesn't work. Any solution?
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Click to collapse
Try crdroid but the latest built have some problem try the Oreo 8.1 one old than the latest
It works
mayukh2000 said:
I'm on the latest firmware, tried many custom roms. Jio VoLTE doesn't work. Any solution?
Click to expand...
Click to collapse
Try flashing firmwear every time u flash a ROM it would fix it
Flash it after flashing the rom

Any 64 bit Rom (VOLTE Enabled) stable for this phone

I am thinking to change my existing rom and move to more stable 64 bit rom. Any help devs?
almost all the roms have working VoLTE, I would suggest you to try pixel experience first.
And make sure while rolling back to stock rom you need to deprecate modem1 and modem2 files. Otherwise you'll lose imei as well VoLTE forever
Actually I'm non US variant and Volte stopped working on most of the latest Roms ( BL, RR, Xtended) but DU works fine. I also recently re-flashed back to stock firmware and Volte is fine....something is off with these latest ROM builds ( atleast for me).

about the Android 9.0 based roms Gzosp, lineage and liquidremix

i was browsing through XDA and discovered we got Pie Builds!! after looking into the threads for the 3 roms as of 10/2/18, i read about a lot of people having a multitude of problems with them, from them not booting to fingerprint and encryption problems.
so, are these builds really buggy? should i stick with my oreo rom? whats up with these pie roms?
--edit--
also, for liquidremix, would i install the oreo or the nougat FW base?? whats the difference and does it really matter which version i do?
you just wait until all the bugs are fixed. or you can install it and support the developer by reporting the bugs you face.
everything works fine here, you have to see the version of your bootloader version c2.12 works everything standard, otherwise upgrade your stock rom to the latest oreo to update your bootloader or you can only install rom based on nougat
I'm not on a stock rom, I actually use havocOS I haven't used stock for a while now.. but when it was stock it was 7.1 nougat not Oreo, did Sanders xt1806 finally get the Oreo update?

T-Mobile Volte & WiFi Calling on custom ROMs?

Running Phh-treble (Android 9 Pie stock based ROM) on my T-Mobile Moto E5 plus (Hannah) and it's great. But I had T-Mobile WiFi calling and Volte on stock ROM, and they don't work on Phh-treble.
Is there any way to get T-mobile WiFi calling and Volte working on Phh-treble? Or on any other custom ROMs (lineage os, etc.)?
I've searched around and done quite a bit of reading, maybe WiFi calling and Volte can be enabled by pulling some system/priv-app(s) from the stock rom and integrating them into the custom ROM system? Not sure which one(s) would have the carrier configurations though. Anyone have any ideas?
Thanks!
I believe I read in one of the threads there was a magisk module that did it.
But I can't seem to find the thread now.
Check the magisk module " VoEnabler". Although they say it needs work, like nobody has had any success so far.

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