HTC J - 透過 USB 數據連線分享行動數據連線 - 設置與服務 - 使用說明 - 支援 | HTC 台灣
If the screen doesn't rotate when you turn it sideways, first make sure that the Auto-rotate screen option is selected in Settings > Display, gestures & buttons. If Auto-rotate screen is already selected, try recalibrating the screen if the screen orienta...