Send a specific SMS command (e.g., UPGRADE,http://link-to-firmware.com ) to the device.
: Devices typically support OTA (Over-the-Air) updates accessible through Settings > About System . ik316 firmware
The IK316 refers to a chipset (often an Allwinner H616 variant) found in various Android TV boxes like the . Developing or finding "good" firmware for these devices is a significant challenge in the open-source community because of the highly specific hardware configurations and lack of official documentation. The Challenge of IK316 Firmware Send a specific SMS command (e