How to open TCL LED TV Service mode/Menu Code

[@soloprince7953]

Nice to see ur video it's good and true

[@stechnicalmaster]

Thank you so much 🙂

[@sivakumarn9072]

Thank you sir

[@stechnicalmaster]

Welcome sir

[@yellowbanana713]

i'd been following you, but it's a blank screen.not worked, what's the solution?

[@stechnicalmaster]

sir check back light problem Or picture frame not develope foult confirm then solve