Tap the 'Settings' gear in the notification shade to toggle Wi-Fi or Bluetooth. Screenshot: Press and hold Power and Home at the same time. Optimization & Troubleshooting
Tap the three dots (Recent Apps) to switch between open programs. Back: Tap the arrow to go back one step. 📸 Using the Camera The One S was famous for its "ImageSense" technology.
The HTC One S uses a card. The slot is hidden under the small plastic cover at the top of the phone near the camera lens.
Turn off "Vibration feedback" in Sound settings to save juice.