Ringo not working

I have just finished putting together my Ringo phone, have double checked everything but it won’t turn on.
All I get is a buzzing noise and the mother board gets very hot.
I have to unplug the battery.
Thanks in advance for any help.

Hey @Mike,

thank you for reaching out.

Please contact us at contact@circuitmess.com, and we’ll help immediately!

Sincerely,
Monika