SEIKI BD660 region hack

Ensure no disc is in player
Power-up the player from ’standby’ to ‘on’ with the remote
Once the green ‘Seiki’ wallpaper appears press the ‘Setup’
button
Press these numbers sequentially: 8, 5, 2, 0

This brings up a ‘Factory’ menu where you can change the DVD
region code (use Region 0 for region free) and you can change
the Blu-Ray region too (there’s no ‘region free’ option, so
you’ll need to change it per disk)