Firmware - Hktrt2843p639

The P639 release resolves many low-hanging vulnerabilities, but additional steps are wise:

Since p639 is a variant, . Do not flash generic firmware. hktrt2843p639 firmware

Errors like "General Error" appearing during operation or after a failed over-the-air update. hktrt2843p639 firmware

: The new TCP stack uses delayed ACKs (RFC 1122). Some older PLCs do not handle this well. Fix : Telnet into the device (port 23) and type: hktrt2843p639 firmware