The most common methods to enter unlock codes on TCL mobile phones are as follows:

Alcatel Made Mobile Phones:

• Insert a SIM card from an alternative network the the phone would not normally take.
• The phone should should display Enter Network Key or something similar.
• Enter code provided.

• Remove any inserted SIM card
• Then enter this code *#0000*PROVIDED CODE#
• Then to finish enter this code *#0001*PROVIDED CODE#