U can flash super su..after u install mm, power off phone..press volume (-) + power button, go to fastboot, flash twrp, press volume (+) + power button to go to recovery, now u are on twrp :D
if u are on 5.12.17_v7_4,4, boot it ,go to updater app, install again same 5.12.17_v7_4,4,after that boot it ,go to updater app and flash 6.1.21_V7_6.0 :)
@ingbrzy
I found 2 bugs
First ,I can't connect to whatsapp web, it is scanning but nothing, works on other roms and miui mm global
Second ,I can't connect to MI PC Suite, works on 4.4 roms, but I think that is problem for mm roms ?
From disk info app.. On normal partition u have system 1 and system 2, modem 1 and modem 2 , but with merged u have only one system, one modem driver etc
U can see from ss ,best example
For CANCRO working steps for merging partition :
Step 1): be on miui kk rom on both partitions (system 1 and sytem 2) with mi recovery
Step2 ) use updater app and update to 5.12.17
Step 3) after boot again use updater app and update to same 5.12.17 again
Now you are on new partition
After that u...