Sacado del Foro de Miui:
http://en.miui.com/thread-1543253-1-1.html
Descargas:
Actualización semanal Xiaomi Redmi Note 4 MTK:
http://bigota.d.miui.com/8.1.18/miui...44e846_6.0.zip
Actualización semanal Xiaomi Redmi Note 4 Qualcomm:
http://bigota.d.miui.com/8.1.18/miui...992cea_7.0.zip
MIUI 9 Global Beta ROM 8.1.18 Full Changelog:
http://en.miui.com/thread-1543253-1-1.html
Gallery
New - Optimize local storage to free up space (01-16)
System (Full display devices)
Optimization - Animation for the Back gesture on full screen devices (01-17)
Optimization - Full screen gestures as an alternative for screen buttons (01-17)
Optimization - A separate guide for full screen gestures (01-18)
Fix - Full screen gestures didn't work properly after rebooting (01-18)
Battery
Fix - The battery level is incorrect on status bar (01-16)
Fix - Battery is draining very fast when the device is in idle mode (01-16)
Camera
Fix - The camera interface is not displayed correctly when the language is Arabic (01-16)
Settings
Fix - There are two Security in Accessibility settings (01-16)
Line
Fix - Line ANR when using Bluetooth headphone for Line calls (01-16)
Note: The above info is about MIUI 9 Global Beta ROM, please click
HERE to check the latest update for MIUI 9 China Developer ROM.
How to Upgrade to MIUI 9?
1. Please don’t forget to back up your data before upgrading to MIUI 9.
2. If you are using MIUI V5 / MIUI 6 / MIUI 7 / MIUI 8 stable ROM, please upgrade to MIUI 9 via the
fastboot method.
3. If you’re using MIUI 8 Global Beta ROM, please go to ‘Updater’ and check for updates.
4. If your device is locked, please unlock it before fastboot flashing. How to unlock your phone bootloader?
Click here to check the details.
5. How to flash MIUI ROM?
Click here to see detailed MIUI flashing tutorials or check
this thread to see the step-by-step guide!