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- Why do I see 'Critical update' notification on my Lumia phone?
- My Lumia 1520 device started rebooting after I hot swapped the SIM card. What can I do?
- How do I easily close or switch between recently used apps on my Lumia phone?
- How is the AC-50 charger different from AC-60?
- The glance screen content is black and the settings are blank showing only the header in my Lumia. What can I do?