Marlax MX50 2022 Officel Firmware Download 2022 Device info: BootVersion : SPRD3 BootSource : InternalLibrary BootVersion : Spreadtrum Boot Block version 1.2 Port speed : 921600 Size : 4.00 MiB Platform Version: MOCOR_12C.W13.04.23.BTDialer.18_Release Project Version: SC6531_BAR HW Version: SC6531_BAR Marcel F01 Flash File Download 2022