How to activate GPRS via SMS on mobile phone

Take mobile as an example:

Method 1:

Is it enough to just send the package code to 10086/10010? Such as gprs5 to 10086 (5 yuan package) (I don’t know your code)

Method 2:

Log in to the operating mobile company website and activate

Method 3

Dial 10086 to ask the customer service staff to activate it for you

Method 4:

Go to Mobile Communication 100 Business to activate it