Instructions to delete a language to TCL devices

TCL P618L TCL P618L
TCL Ono TCL Ono
TCL P588L TCL P588L
TCL 3S M3G TCL 3S M3G
TCL P335M TCL P335M
TCL P561U TCL P561U
TCL P589L TCL P589L
TCL Play 2 TCL Play 2
TCL Play 2C TCL Play 2C
TCL 302U TCL 302U
TCL 560 TCL 560
TCL 750 TCL 750
TCL 562 TCL 562
TCL 580 TCL 580
TCL 950 TCL 950
TCL Y660 TCL Y660