Sunyericson t610 stopped powering after trying to unlock with RSA, how to solve plz?

As am trying to connect Sunyericson t610 with RSA button, the phone did not finished connection and it stopped powering showing this error below, please how will I solve it?

Mcu_Id: 5B 08 02 01 FF FF FF FF
Certificate Error 2: 46 32 AA 01
Certificate Rejected: 46 32 AA 01
Certificated Boot Failed, 00:02