So conclusion in English: to install multi language in the Xiaomi Redmi Note Pro FDD-LTE (4G):
- download Redmi Note FDD-LTE Multi Language [MIUI_V5 KHICNBH6.0.0][KitKat 4.4.4] Size:379.6MB from forum Xiaomishop.com > link:
http://forum.xiaomishop.com/thread-359572-1-1.html. Here's also an upgrade guide, very useful. Download the zip file to your computer.
- rename the file to update.zip
- connect the phone tot your computer.
- copy the update.zip file to your phone at the sd card (internal storage)
- disconnect your phone from your computer.
- shut your phone off.
- put it on again, but press the volume up button and the power button.
- your phone opens with a screen in which you see 2 chinese options and 1 english option.
- go to the english option with the volume down button and press the power button.
- in the next screen go to install update and press power button. The phone will now install the update.zip.
- go to the previous screen and press wipe and rest.
- then press wipe all data.
- after this you shut your phone off and put it on again.
- now you can use your prefered language (in my case Dutch).
Note: make a back up (if you wish) because you will loose your data !!!