Delete Gmail Threads - Samsung Galaxy S III User Manual

2. Touch and hold a conversation thread to add a checkmark to it, and then tap More
Options > Mute.
 The thread is now hidden.

Delete Gmail Threads

If you no longer wish to keep a Gmail conversation thread, you can simply delete it from the inbox.
1. From home, tap Apps
 The inbox opens.
Messaging and Internet
> Gmail
.
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