If the sticker is missing, your best option is to open the pedal backplate. Photograph the circuit board and look for printed revision numbers (e.g., REV 1.2 ) or date codes on the electronic components. To help me provide more specific details, let me know: What of TC Electronic gear do you have?
Deciphering a TC Electronic serial number is a primary way to verify authenticity and determine a product's age for warranty or resale. Unlike some brands with simple date-coded strings, TC Electronic (now part of Music Tribe tc electronic serial number decoder