How to delete information in 139 mailbox

Hello! What exactly do you mean by information? Mail? Short MMS? Or something else? If it is an email, enter the mailing list, check the email to be deleted, and then click Delete at the top of the list. In case of SMS/MMS, enter SMS record/MMS record, check the SMS/MMS to be deleted, and then click Delete. If you have any questions, you can also call 10086 or send an email to 139' s customer service email service @139.com. I hope I can help you!