There is an orange exclamation mark on the home page of vivo message.

The exclamation mark displayed on the short message indicates that the message was not sent successfully. If the mobile phone can't send a message, try to change the area with good signal, check whether the phone bill is sufficient or change the SIM card or restore the network settings.

Vivo is an international brand focusing on the field of smart phones. Vivo pursues intelligent products with fun, vitality, professional sound quality, extreme images and pleasant experience, and takes the courage to pursue the extreme and continue to create surprises as its firm pursuit.