How to Enable Sleep Mode on HTC One M8
One of the power saving options on the HTC One M8 (and M9) is the Sleep Mode which turns off the mobile data either at given time intervals or ...
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Want to delete old text messages or multimedia messages automatically when the limits are reached? To delete messages on HTC One for both SMS and MMS do as follows:
1. Open "Messages" app
2. Tap the 3 dot icon on the top right
3. Select "Settings"
4. Tap "General" and find "Storage Settings"
5. Mark "Delete Old Messages"
6. Tap "Text Message Limit" and "Multimedia Message Limit" and set message limit per conversations
7. From now on, when the limits are reached, old message are deleted automatically