Changing original Xiaomi Mi Max 2 to a custom rom - Xiaomi Mi Max 2 Questions & Answers

I have an original Xiaomi Mi Max 2 (Android Version: 7.1.1, Build: NMF26F) with all the Xiaomi updates. Since the phone doesn't get updates anymore, I am looking for a solution to get a custom rom with security updates.
I am searching for a custom rom too, which does not need GPS for Wifi-SSID. With my mi Mi Max 3 and Android 10, GPS (saving doesn't exist anymore) GPS must be activated to see the SSID and I am forced to use LTE, while I want 2G (setting is lost after a restart)
So maybe a ROM based on Android 9 makes sense?
Please point me to a link how to "open" the original phone, so I can flash a custom rom. Does the official way work with the Max2? I have a very old PC, but with Windows 10 20H2 for flashing, normally I use a linux pc.
I am happy if you can help me how to start.

First,TWRP.
Then,https://androidfilehost.com/?w=files&flid=315788 for warm up.

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Redmi 2(8gb Indian version) VoLTE Support needed

Hello, I posted a previous thread saying theres no volte for redmi2.
The thing is i've tried almost every solution thats out there for enabling VoLTE. But still none of them works.
I've tried flashing Redmi2 Prime ROM(doesnt work) and even flashing other custom roms over it(still doesnt work).
I've tried flashing Volte Patches, Xiaomi Volte modems etc.
Ive tried installing Lineage OS firmware....and the ROM(ofcourse) yet to no avail
I got a suggestion to manually wipe all partitions...but i researched a bit and got to know it hardbricks your device(so thats gotta wait for a while)
So is my Phone a special snowflake among other Redmi2 or is it a problem in my SIM card? If so how do i know which one is at fault?
I know this post might not belong here...but i need a discussion on this one..because there might be other Redmi2 users out there facing the same problem....So if anyone has the same problem do say so in the replies...and we'll see together, which of the solution works by testing them
1)download Mi flash tool
http://en.miui.com/forum.php?mod=att...E5MTF8MzM2MTg0
2)
download fastboot rom redmi 2 prime global stable or china
http://bigota.d.miui.com/V8.1.3.0.LH...23ac47dab8.tgz
above is global stable link.
3) put your phone in fastboot mode, unzip the downloaded rom. (avoid spaces in between folder path/name eg "C:\New Folder\Extracted rom\...." is not allowed instead it should be like C:\New_Folder\Extracted_rom\.......)
4) open mi flashing tool see if your device is listed. refresh to see. select clean all (flash_all.bat) option from bottom of mi flashing tool.
5) click on flash, and let it boot.
you would be able to use VoLTE now in miui rom. if you want to change to any N based roms just flash twrp and clean install any rom.
I don't have any problems with redmi 2 prime rom. VoLte working flawlessly.

MIUI LOCKED Le x526.....PLs Help

miui rom by ycjeson says this device is associated with existing mi account,and it says enter password to activate deivce..
i dont know the password and it occurs when i flash miui on my le 2 x526....during phone setup .I am not able to use miui roms
help anyone:fingers-crossed:
Perhaps this is written in the /data folder.
Did you wipe /data /cache as written in each ROM description?
Yes of course but this problem is not solved... Even When net is not connected it shows (while setting up fresh MIUI)
This device is associated with existing mi account i don't know how this roms knows...
I HAVE TRIED CHANGING IEMI NUMBER BUT NO USE AND ALSO WIFI MAC ADDRESS...ACTUALLY WHERE MIUI STORES THE INFORMATION ABOUT ACCOUNT....
IT HAS POWERFUL SECURITY IN ITS ROMS IT SELF BECAUSE IT SHOWS THAT MY DEVICE IS ASSOICATED WITH MI ACCOUNT WITHOUT INTERNET CONNECTION,WITHOUT SIM...
DEV WHO PORTS THIS ROM MAY KNOW...IF ANYONE KNOWS PLEASE TELL ME I ALSO WANT TO USE MIUI ON MY LE X526:crying::crying:
I think u have to format everything including internal storage then clean flash rom.
Tried it already
Anyone please remove all those miui services and its all apps I think after doing this I can use miui
Any developers please help who knows about how to fix...please its nearly 5 days
Sorry to disturb your nearly one-man-thread, but since you request flyme os???, you are not fixed to miui and can try any other rom instead.
What happens, after you install lineage 13.0, just as an example, or even stock? Does this work?
Yea Los Roms are working and stock but this MIUI locked me Everytime when i install it.
Facing same issue @[email protected] you got any solution?

Call Audio not working on Android 10 - CN Mi 9

Hello - back here again to rephrase my issue, as I now have two devices in the exact same situation.
Two Chinese brand new model Mi 9's. Both have microphone issues when placing calls on any Android 10 MIUI or AOSP (Stock or Custom) ROMs.
MIUI 10 and Android 9.0 AOSP ROMs (Like Evolution/PE) work fine. Anything Android 10 based (MIUI11 or AOSP), need to hit Speakerphone button first, then disable it, and microphone works.
Already used fastboot files with miflash to go back to stock MIUI 10 China ROM, OTA update to MIUI 11, and then it stops working. Tried EEA, Global, etc.
What am I missing here? What do I need to flash before upgrading to MIUI 11 even off a fresh fastboot reset?
Thanks in advance

problem with redmi 9

I need help, my redmi 9 lancelot is in the custom rom aosp extended position with the imei on sim 2 because I had a softbrick incident and the imei was null then i wanted to go back to miui because i was tempted by miui 13 when i tried to go back to miui i want to login google but it always doesn't work like "cant connect to server" then i try to drowngrade miui to 12.01 and it works then i upgrade miui to 12.4.5 because i tried but it turns out the same can't connect to server then what should i do
Better try to use a custom rom like crdroid
i dont want to use costum rom again i wanna back to miui

The touch doesn't always work on A13

Hello everyone
This is the case on Firmware from 11 Mi UI, everything works well (Syberia 10A). I install A13 and Firmware from 12 Mi UI and the touchscreen starts to freak out for me, namely, it does not work when re-locking / unlocking. You have to turn the screen on and off many times to make it work
Is it possible to somehow pull the drivers out of the Firmware 11 and transit them into 12?

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