What the letters in the MIUI version designation mean

[gogocar62]

MIUI V12.0.5.0. QFJMIXM

- Android version
M - Android 6.x (Marshmallow)
N - Android 7.x (nugát)
O - Android 8.x (Oreo)
P - Android 9.x (Pie)
Q - Android 10.x
R - Android 11.x
S - Android 12.x


- device code (phone model)
JA - Xiaomi Mi 10 Pro
JB - Xiaomi Mi 10
JC - Redmi 9
JO - Redmi Note 9
JZ - Redmi Note 9 Pro / 9S
etc.

- region (target market)
CN - this is a device intended for the Chinese market.
EU - this is a device intended for the European market.
ID - this is a device designed for the Indonesian market.
IN - this is a device intended for the Indian market.
MI - this is a device intended for the international market. (global)
RU - this is a device designed for the Russian market.
etc.

- ROM brand
VF - Vodafone.
TM - T -Mobile.
XM - Xiaomi
OR - Orange
etc.