Teletalk sim how to make 4G, only 5 second, just now big update 2019

how to make teletalk sim 4G:

• 3G sim how to make 4G just 1 click
• 5 second
• just sms free custom care
• goto message option
• write - 4G<> send - 111 numbar
• 5 second in repay sms congratulations
• this sim 4G activated
• this offer for 48th victory day of 16 december