X6851B-16.3.0.160SP05(OP005PF001AZ) is an official Android 16 Over-The-Air (OTA) firmware build for the Infinix NOTE 40 Pro+ 5G. Released around November 5, 2026, for the Global / Open Market (OP) variant, this incremental update brings the October 2026 security patch and system optimizations.

X6851B-16.3.0.130SP09(RU003PF001AZ) is the latest official stock firmware / flash file build for the Infinix Note 40 Pro+ (model X6851B, Russia/RU region variant) running XOS 16 (16.3.0).

X6851B-16.3.0.130SP09(OP003PF001AZ) is the official stock firmware / flash file build version for the Infinix Note 40 Pro+ 5G (model X6851B) running Android 16.

X6851B-16.3.0.130SP09(IN003PF001AZ) corresponds to the Indian (IN) region stock firmware/flash file for the Infinix Note 40 Pro+ 5G (model X6851B) running Android 16 / XOS 16.

X6851B-16.3.0.130SP09(EU003PF001AZ) corresponds to the stock firmware / flash file for the Infinix X6851B (Europe/EU region variant), running an XOS version based on build 16.3.0.130SP09.

X6851B-15.1.2.185(OP001PF001AZ) corresponds to the official XOS 15.1.2.185 software firmware/build for the Infinix Note 40 Pro Plus 5G (Model X6851B) running on Android 15.

X6851B-15.1.2.175SP04(EU001PF001AZ) represents an official stock ROM / firmware build for the Infinix Note 40 Pro Plus 5G (Model X6851B) designated for the Europe Market running Android 15.

X6851B-15.1.2.170SP05(IN001PF001AZ) represents the official Android 15 stock ROM / firmware package for the Infinix Note 40 Pro+ 5G (Model X6851B), specifically tailored for the Indian market (IN001).

X6851B-15.1.0.138SP11(OP001PF001AZ) Infinix X6851B FactorySigned Firmware Infinix X6851B Firmware Infinix X6851B Flash File

X6851B-15.1.0.138SP09(OP001PF001AZ) refers to an official software build and stock firmware package for the Infinix Note 40 Pro+ 5G (model X6851B).

X6851B-15.0.3.127SP03(OP001PF001AZ) represents an official stock ROM / firmware build for the Infinix Note 40 Pro+ 5G (model number X6851B).

Infinix X6851B FactorySigned Firmware Infinix X6851B Firmware Infinix X6851B Flash File X6851B-15.0.3.116SP09(OP001PF001AZ)

Infinix X6851B FactorySigned Firmware Infinix X6851B Firmware Infinix X6851B Flash File X6851B-P865AC-U-OP-250211V1354

X6851B-P865AC-U-OP-250114V1345 belongs to the official stock ROM / firmware build for the Infinix NOTE 40 Pro+ 5G (model code X6851B).

X6851B-P865AC-U-OP-240929V1256 is an official stock firmware (flash file / ROM) build identifier for the Infinix Note 40 Pro+ Plus 5G (Model: X6851B).

X6851B-P865AC-U-IN-241014V1258 corresponds to the Infinix Note 40 Pro+ 5G (Model: X6851B) software build/firmware identifier intended for the Indian market (IN).

is an official stock firmware / ROM build identifier for the Infinix Note 40 Pro+ 5G (Model: X6851B) running Android 14.

X6851B-P865AC-U-OP-240619V1194 represents an official stock firmware (ROM) build for the Infinix Note 40 Pro+ 5G (model number X6851B).

X6851B-P865AC-U-OP-240507V1069 is an official stock ROM / firmware build for the Infinix Note 40 Pro+ 5G (model X6851B).

is an official stock ROM / firmware build identifier for the Infinix Note 40 Pro+ 5G (Model X6851B).

represents a specific official software build version (firmware/ROM) for the Infinix Note 40 Pro+ 5G (model X6851B) running Android 14.

X6851B-P865AC-U-OP-240313V867 corresponds to the official stock ROM / firmware build for the Infinix Note 40 Pro+ 5G (Model X6851B).

X6851B-P865AC-U-IN-240515V1099 is the official stock ROM (firmware flash file) for the Infinix Note 40 Pro+ 5G (Model X6851B) for the Indian (IN) region.

X6851B-P865AC-U-IN-240313V867 corresponds to the official stock firmware (ROM) for the Infinix Note 40 Pro+ 5G (Model: X6851B), specifically designated for the India (IN) region.

X6851B-P865AC-U-RU-241025V1268 is the official stock firmware (ROM) for the Infinix Note 40 Pro+ 5G (model X6851B) targeted for the RU (Russia) region.

X6851B-P865AC-U-RU-240524V1132 is the official stock ROM / firmware for the Infinix Note 40 Pro+ 5G (Model: X6851B), specifically for the RU (Russia) region.