https://xiaomiui.net/xiaomi-android-14-update-list-everything-you-need-to-know-46263/

Android 14 Eligible Xiaomi Devices

Xiaomi 14 Ultra
Xiaomi 14 Pro
Xiaomi 14
Xiaomi 13 Ultra
Xiaomi 13 Pro
Xiaomi 13T Pro
Xiaomi 13T
Xiaomi 13
Xiaomi 13 Lite
Xiaomi 12
Xiaomi 12 Pro
Xiaomi 12X (uncertain)
Xiaomi 12S Ultra
Xiaomi 12S
Xiaomi 12S Pro
Xiaomi 12 Pro Dimensity Edition
Xiaomi 12 Lite
Xiaomi 12T
Xiaomi 12T Pro
Xiaomi 11T
Xiaomi 11T Pro
Xiaomi Mi 11 Lite 5G
Xiaomi 11 Lite 5G NE
Xiaomi Mi 11 LE
Xiaomi Mi 11
Xiaomi Mi 11 Ultra
Xiaomi Mi 11 Pro
Xiaomi MIX 4
Xiaomi MIX FOLD
Xiaomi MIX FOLD 2
Xiaomi MIX FOLD 3
Xiaomi CIVI 1S
Xiaomi CIVI 2
Xiaomi CIVI 3
Xiaomi Pad 5 Pro 12.4
Xiaomi Pad 6
Xiaomi Pad 6 Pro
Xiaomi Pad 6 Max

Android 14 Eligible Redmi Devices

Redmi Note 12T Pro
Redmi Note 12 Turbo Edition
Redmi Note 12 Speed
Redmi Note 12 5G
Redmi Note 12 4G
Redmi Note 12S
Redmi Note 12R
Redmi Note 12 Pro 5G
Redmi Note 12 Pro+ 5G
Redmi Note 12 Discovery Edition
Redmi Note 11T Pro
Redmi Note 11T Pro+
Redmi Note 11R
Redmi K70 Pro
Redmi K70
Redmi K70E
Redmi K60
Redmi K60E
Redmi K60 Pro
Redmi K50
Redmi K50 Pro
Redmi K50 Gaming
Redmi K50i
Redmi K50 Ultra
Redmi K40S
Redmi 11 Prime
Redmi 11 Prime 5G
Redmi 12 5G
Redmi 12
Redmi 12C
Redmi 10 5G
Redmi Pad
Redmi Pad 2
Redmi Pad 2 Pro

Android 14 Eligible POCO Devices

POCO M6 Pro 5G
POCO M4 5G
POCO M5
POCO M5s
POCO M4 Pro 5G
POCO X4 GT
POCO X5 5G
POCO X5 Pro 5G
POCO F5 Pro 5G
POCO F5
POCO F4