Ik316 Firmware [patched]

Usually requires "FEL mode" via a hidden button inside the AV jack

If you are looking to update the firmware, it is highly recommended to first. Because the uses specific eMCP memory timings, flashing a generic Allwinner H616 image will likely brick the device . TVBOX M4xq with ik316 EMCP 1.0 - Allwinner CPU Boxes ik316 firmware