Many of these boards come with bare chips. Adding a small aluminum or copper heatsink with thermal glue can drop temperatures significantly.
Once the blinking stops or the TV reboots automatically, remove the USB drive. Troubleshooting Common Issues hktrt2851v09 firmware hot
Attempting to flash new firmware causes the HKTRT2851V09 to overheat and abort the update, bricking the device. Many of these boards come with bare chips
Share your story in the comments below, and include the output of dmesg | grep -i temp – we’ll help you diagnose. hktrt2851v09 firmware hot