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.
2. Touch and hold a conversation thread to add a checkmark to it, and then tap Delete
The thread is deleted.
Note: Depending on your settings, you may be asked to confirm the deletion. Tap OK to confirm.
See Gmail Settings.
Search Gmail Messages
If you need to find a specific message or message thread, you can search Gmail from the inbox.
Messaging and Internet
> Google > Gmail
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