The IK316_Q44_V1.0 is a highly specific hardware revision. Before flashing any software, you must ensure your device interior matches these attributes to prevent a hard brick:
Locate the physical on the TV chassis (not the remote control). Press and hold down the Power Button on the TV panel.
Different firmware files contain different remote control configurations. After flashing, your original remote might stop working, requiring you to use panel buttons or a universal remote until properly configured.