Download Xiaomi Mi3 Android 4.4 kitkat firmware
Archive name: miui-4.7-updated-cancro-4.4kk
Archive file size: 424 MB
Support: Qualcomm Snapdragon 800
First upgrade to the recovery clockwormod later install the update from internal storage.
1. copy update.zip to internal storage
2. install zip from internal storage through true dual boot recovery
3. updated copy to internal storage.
4. install update from cwm
(note, you must perform a clean installation, perform all wipes)