What is the htc call barring password?

Call barring's original password was 0000.

There are two ways to change the call barring password:

1. Modify according to the mobile phone menu prompt (4 digits).

2. Dial **03*330* old password * new password * new password # in the standby state of the mobile phone.

Call barring can be set according to the menu mode or coding mode of the mobile phone. The effect of the two settings is the same, and customers can adopt either one.