To restart a device having integrated battery, press and hold the power key for about 8-10 seconds until the device switches off. Then you can switch your device on again normally.
- How do I know if an app or service is using my location info on my Lumia phone?
- Which Wireless LAN (WiFi) security standards are supported on my Lumia phone?
- Can I play music files from my Lumia phone on my car stereo system?
- Does my Lumia phone use an IP address when it accesses data networks?
- My phone does not vibrate properly