Simply, you just go to the gmail web or an iphone to delete the more than 50 promotional messages. Follow these steps:
- Log in to Gmail ID.
- Navigate to the Promotions tab above your messages.
- Tap on the checkboxes on the left side of every mail you can select all emails from the list that shows above.
- Select the “trash bin” icon to delete all of the mails. Whether it is a 50 or a more promotional messages