Currently my Mipad 1 is on China developer rom MIUI 8.7.6.8 | Beta
I am flashing to
xiaomi.eu_multi_MIPAD_V8.2.2.0.KXFCNDL_v8-4.4 downloaded from this site
Boot to TWRP menu
Wipe /data partition
Copy ROM to the internal storage
Selected install from TWRP menu
Met with Failed installation...