Huawei P9 Lite - Manual (Page 93)

Messaging and Email
86
Cancel a message: You can cancel a message up to four seconds after it was sent.
Touch > Settings, then turn on the Cancel send switch. Double touch the
message to cancel sending.
Replying to a message
1 Open Messaging.
2 In the list of message threads, touch a contact name or phone number to view your
conversations.
3
Select the text field and enter your message, and then touch .
Reply to a message from the notification bar: New messages will be displayed in
the notification bar. Touch the button to compose a reply.
Swipe left or
right to select
attachment
type
Switch to full
screen text
entry
Send
Choose recipients
Add attachment