Xiaomi recently released MIUI 9 for all smartphones and tablets. The Lei Jun-owned company also released the MIUI 9 update even for smartphones released four years back such as the first generation Redmi Note 4G. We are currently using the first generation Redmi Note and attempted to install the MIUI 9 update.
You should navigate to en.miui.com/download.html and locate the device. For example, if your smartphone is Redmi Note 4G, then you should scroll down and locate the device named “Redmi Note“. You should select “Redmi Note 4G Single SIM Global” as the option as shown below