: Manually upgrading the device to a newer version of HiOS or Android when OTA (over-the-air) updates aren't available. Warning: Critical Compatibility
: Some versions are used to bypass Mobile Device Management (MDM) or factory reset locks.
: Flashing a standard CK6 firmware file onto a CK6n variant can result in a "dead" phone or loss of the preloader, making the device unresponsive.