How to force a factory reset or hard reset on SPC devices

SPC T16 Excel SPC T16 Excel
SPC S1 SPC S1
SPC Pike XX08 SPC Pike XX08
SPC L52F SPC L52F
SPC L52 Pro SPC L52 Pro
SPC L51 Pro SPC L51 Pro
SPC Calipso4 SPC Calipso4