There are too many spam messages in your phone or "sensitive" messages that you don't want others to see. So why don't you delete them. If you do not know how to delete, you can refer to the following article of TipsMake.com.

Delete all messages from a person on iOS 8

Step 1 : Go to the Messages section and select Edit

Step 2 : Select the messages you want to delete and press Delete

Delete a specific message on iOS 7 (and higher operating systems)

Step 1 : Go to the message of someone you want to delete, then press and hold the specific message then click More . Next, you also select the messages you want to delete and press Delete.

Delete a specific message on iOS 6 (and previous operating systems)

Step 1 : Go to the message section and click on the sender's name and select Edit

Step 2 : Select the message you want to delete and press Delete

Quickly delete messages on iOS 6 (and previous operating systems)

Find the message you want to delete and then swipe from left to right until the red Delete text appears. After that, click on Delete to delete all messages of that person.

Good luck!

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