If your device still boots, extract your original dtb files and bootloader.img before attempting any flash, as these are specific to your board's thermal and frequency scaling.

While the board may be labeled "ik316," the actual processor is frequently an Allwinner H313

Firmware hunting for the IK316Q44 V10 is frustrating because manufacturers expect bulk buyers to request it directly. However, as of this writing, is maintained by user "beelinkfan" on FreakTab :