MIUI6 ROM V 5.6.11
Please wipe all data in Recovery mode if you want to update
to a discontinuous ROM version, or downgrade to an older ROM version using MIUI
full ROM pack.
There is no need to do it again if you’ve already downloaded
the latest ROM file.
Connect your device to the Windows PC/laptop via a micro USB
cable, and copy the ROM file
downloaded in Step 1 into the folder
‘downloaded_rom’ in the internal storage of your device.
Launch ‘Updater' app on your device:
MIUI 6:Click the ‘…’ icon at the top-right corner, select ‘Choose
update package’, and choose the ROM file you’ve put in ‘downloaded_rom’ in Step
2.
MIUI V5:Press the Menu button, select ‘Choose update package’, and
choose the ROM file you’ve put in ‘downloaded_rom’ in Step 2.
After choosing the right ROM file, your device will begin
upgrading. Your device should automatically boot to the new version when the
update is completed.