Credits:
All credits go to MIUI forums user 14121042 (Now on XDA
I just tested it and wanted to share the port and my initial review of it.
Thanks also to @Me_Ashish_ and @Cancro90 for linking me to various Beta releases.
H2 OS is as of now, beta software that is property of OnePlus.
Mi 3 TD NOT SUPPORTED. Mi 4 supported SINCE BETA 2
As usual I am not responsible for bricked devices, nuclear war etc etc.
So I'm playing with the H2 OS Beta port for cancro...
Like I'd guessed from the leaked screens, it IS, in short, a beautiful mix of IUNI OS and Material Design.
UPDATE: Beta 2 is OUT!
Original thread:
Beta1-
http://www.miui.com/thread-2601522-1-1.html
Beta2-
http://www.miui.com/thread-2609702-1-1.html
UNOFFICIAL BETA3.0.0 by MIUI Member 迷茫的孩纸 (Confused child)
http://www.miui.com/thread-2611190-1-1.html
(Downloads/Mirrors in post #2)
Screenshots and screenrecords:
Bootanimation zip:
View attachment 3352625
Screenrecord:
I recommend you see this. a picture is worth a thousand words, but my video is basically 60 pictures per second, so...
Beta 1-
(My first public YT video so hit Like, if, yknow, you like it
https://youtu.be/tT-vFnl18y4
(Sorry for the crappy quality, I thought it would be much longer, so tried to save up on size
Beta 2-
https://youtu.be/bptpLKxwfFU
(Better quality this time around
Screenshots:

Setup Wizard
View attachment 3353679
About Phone
View attachment 3353680
Notice the difference? @Gnome

Lockscreen

Homescreen

Homescreen Edit

QuickSettings (with Volume panel, no slider and no advanced Volume controls)

Recents

Dialer+Contacts (no separate contacts app)

Messaging

Clock

Browser

Battery page

Bluetooth works. That's all I know.
What works:
-Boots :highfive:
-Normal navigation seems bug free, a LITTLE laggy sometimes.
-Deep Sleep works.
-WiFi (since Beta2)
-Mi Band paired successfully, so Bluetooth seems to work (at least up to a point, dunno about a2dp and stuff)
-Have not tested Mobile Data.
-Video playback (HW+) with MX Player works
-BTW, Goggle Now Launcher works.
-Limited RRO support (System apps like Settings, Dialer etc are too modified to be themed by existing Layers themes)
-Xposed Framework. Though I srsly doubt modules like GravityBox will work.
Code:
Modules tried:
-Lolistat
-Tinted Recents Panel
-Native Clip Board
-
-
-DO NOT add a navbar, it'll break the stock launcher homescreen.
-
-Headphones do not work.
-High vibration intensity (Fix- Flash custom kernel like Stuxnet+ and use Kernel Adiutor to reduce vibrator intensity. I find 40% to be perfect)
-
(I'm a super n00b; I flashed 5.1 GApps.
-Tapping a number in the Dialpad causes the Dialer to lag like crazy.
-Tapping flashlight shortcut in QS causes SystemUI FC.
-Sound Recorder FC'd when saving recording once.
-Capacitive keys vibrate when screen off. Menu and Back keys wake device.
-Just found phone in SoD after not checking a while.
-[Beta2+Stuxnet; dunno if it affects older version and/or stock kernel]
VERY slow charging (33 to 51% in about 45 minutes)
-Probably a LOT more.
-Keeps taking bug reports every now and then.
Cool/weird stuff:
-Sparse bootanimation, clean UI in Setup Wizard.
-Lockscreen looks good (reminds me of MIUI or IUNI) and has a nice charging animation.
-Double-tap anywhere to sleep on lockscreen. No DT2S on statusbar.
-Slide to left to go to Camera from lockscreen.
-QuickSettings is accessed with a pull-up from lower edge like iOS Control Center or IUNI QS.
-No power menu as such (no reboot options), a nice pull down to shut down a la iOS.
-Notifications: Swipe LEFT to dismiss, RIGHT to open.
-No easter egg?
-Swipe down on homescreen to search desktop apps.
-Swipe leftwards to lock an app in recents.
-More to come
Current Status: ALMOST BETA LEVEL FUNCTIONALITY
Not usable as daily driver, only due to no sound (you won't hear ringtone; can hear from in-call speaker just fine though). Flash for test purposes ONLY!
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