[Xiaomi Mi Pad 4] Android Generic System Image installation Guide

[dzidexx]

EDIT: I flash today Android Pie GSI version.

After flashing GSI, you can found Open GAPPS unofficial here: https://builds.nezorfla.me/?dir=opengapps/pie/arm64

For no error 70, before flashing Open GAPPS, you must do that: Wipe -> Advanced Wipe -> Select System -> Repair or Change File System -> Resize File System -> Swipe to Resize
After, you can flash Open GAPPS, Magisk (for root) and Dm-Verity, and finally reboot

Hi,
I can't install OpenGapps 9.0 - error 20 - "your system is 8.1, use ...".
I tried HavocOs P & AOSP P, Pixel Experience flashed without problems.

 

[arkansis]

Hi, I come back with GSI 8.1 Android and OpenGapps 8.1.
I try only one time Android and OpenGapps 9 because so much bugs.
Normally, you have "error - your system is 8.1, use ..." when you flash unofficial OpenGapps 9 with 8.1 Android rom.

 

[dzidexx]

Checked one more time:
Flashed P GSI, rebooted twrp, flashed Gapps 9.0 without error.
HavocP didn't, AOSP P booted.

I think - after wiping system, data etc. Twrp reads build.prop from Vendor.
I have twrp v2 from 4pda. @arkansis

 

[arkansis]

Checked one more time:
Flashed P GSI, rebooted twrp, flashed Gapps 9.0 without error.
HavocP didn't, AOSP P booted.

I think - after wiping system, data etc. Twrp reads build.prop from Vendor.
I have twrp v2 from 4pda. @arkansis

Great !

 

[monshoal]

Thank you very much, mate! Can we expect to see an official TWRP release as well as LineageOS 15.1?

PS: Does Android P GIS work well? Are there any known issues so far?

JUST FLASHED THE AOSP 9.0 v104. SPECIFICALLY "system-arm64-aonly-vanilla-su.img.xz"
LTE version.
followed the GBouerat's instruction and no gaps added
issues are as follows:
the resolution seems abnormal (weaker than 1080P, not sure).
hotspot cannot be open by the main button. (through the connection of USB, the function works well.)
google search bar cannot be moved.
incompatible software. (the notification was "stop working, etc.")
the connection model cannot change to transfer model or PTP model
the rest works fine.

 

[dzidexx]

JUST FLASHED THE AOSP 9.0 v104. SPECIFICALLY "system-arm64-aonly-vanilla-su.img.xz"
LTE version.
followed the GBouerat's instruction and no gaps added
issues are as follows:
the resolution seems abnormal (weaker than 1080P, not sure).
hotspot cannot be open by the main button. (through the connection of USB, the function works well.)
google search bar cannot be moved.
incompatible software. (the notification was "stop working, etc.")
the connection model cannot change to transfer model or PTP model
the rest works fine.

Did you edit build.prop in /Vendor as is wrote(#5) in this thread?
9.0 Pie isn't stable and/or final build.
AOSP & AICP Oreo are better.

 

[monshoal]

Did you edit build.prop in /Vendor as is wrote(#5) in this thread?
9.0 Pie isn't stable and/or final build.
AOSP & AICP Oreo are better.

thanks, I decided to flash it back with miui.

 

[Kediraksith]

Okay I tried this GIS for the first time in my life... I havent done anything to build prop yet but so far everything seems to be fine except....

Wifi is always off when I restart the tablet...
I want google functionality so I flashed gapps... But now there's this Pixel Setup notification that doesnt go away....
USB Storage didnt work for me also...

Does anyone have any solutions for those?

EDIT: Okay my bad, i flashed the wrong system image... Android 9.0 vanilla... no wonder... everything is fine now... i think

 

[ermacwins]

So how good is this rom? How's the battery life?

 

[dzidexx]

I have question: How to update Vendor & Boot?
I had MiuiEu 8.9.6(Miui 10, 8.1),
flashed AICP-8-1.img + gapps.zip + Magisk.zip.
For update:
Can I install MiuiEu 8.9.13( do not boot), flash AICP + Gapps + Magisk? @GBouerat

 

[salzzz]

Bluetooth is not usable in AOSP P GSI v105

 

[dzidexx]

Bluetooth is not usable in AOSP P GSI v105

Why are you asking here?

 

[dzidexx]

How to update Boot, Vendor, System:

Download the newest fastboot firmware Miui China, extract Boot & Vendor. Go to TWRP.

Install img:
Boot
Vendor
System GSI(I use AICP)

Install zip:
Gapps
Disable-Dm-verity-FEC
Magisk 17+
Wipe cache & dalvik, reboot.

Or

Download the newest MiuiEu, make full backup into TWRP (boot, system, data, vendor, firmware).
Wipe system, data, cache, dalvik, install MiuiEu.zip, reboot.
Go back to TWRP, wipe data, system, cache, dalvik, restore only system & data, install Magisk.zip, wipe cache & dalvik, reboot.

 

[Andro_Nicus]

You must also remember about update the Firmware itself from CN MIUI. Firmware is part of ROM and is important for the proper functional device, not just Kernel / Vendor.

Compilated Firmware from stable CN MIUI is here :
https://sourceforge.net/projects/xiaomi-firmware-updater/files/Stable/V9/clover/

 

[dzidexx]

You have right, but I still have firmware Miui 10 - MiuiEu 8.9.6. @Andro_Nicus

 

[Andro_Nicus]

Yep, It always firmware stays from MIUI that you've been flashing before..
Pozdrawiam z Pomorza

 

[Crescendo Xenomorph]

Best TWRP that works perfectly: http://www.miui.com/thread-16375014-1-1.html
Just use GTranslate for the info...

It even got Magisk 17.1 builtin for you to root via TWRP itself (working perfectly, less hassle), no need to wipe data as it works with encryption enabled.

 

[Stainless7221]

After following the instructions, my device bootlooped every time, no matter which rom i tried.
I fixed that by flashing a newer version of MIUI following these instructions http://en.miui.com/thread-3780976-1-1.html and then attempting the GSI installation again.

Another info: AOSP 9.0 did boot but had a few crashes of google apps, making the initial setup impossible.
AOSP 8.1 works pretty well now.

 

[didicola]

so can i ask a couple questions regarding the flashing procedure?
we dont have to flash vendor files like i do on oneplus6 right? just keep the firmware updated to latest version
we flash just system images only with A partition not A/B?

 

[Andro_Nicus]

It is recommended to have up to date Vendor, Boot, Firmware from latest MIUI if you plan to change ROM / GSI for other.
Mi Pad 4 is A only partition device.