The file refers to the stock firmware (system software) for the Infinix Note 7 (model X690B). Specifically, "V356" indicates the version number of the software build. Purpose and Functionality
: Manually upgrading the device to a newer version if the official over-the-air (OTA) update fails. Download X690B V356 rar
Flashing the firmware is a technical procedure that requires specific tools and files often bundled within or alongside the .rar archive: The file refers to the stock firmware (system
: A text file included in the firmware folder that maps out the storage structure of the device so the flash tool knows where to place each part of the software. Download X690B V356 rar
: The primary software used on a computer to communicate with and install the firmware onto the phone.