how do i send a picture to another wireless phone?  

In order to send pictures to another wireless phone, the you will need to know the address. Example: <10 digit number>@mms.mycricket.com

Once you have established an email account, open the picture or video, touch “Share” > “Email”, then follow these steps:

1. To choose a Contact email address, touch +
2. To enter an email address touch the To field
3. Enter the address, then touch OK