Device will not power on: Nokia Lumia 521

There may be situations where the Nokia Lumia 521 does not power on, the phone does not respond to the charger, and/or the Windows Home key blinks on/off while connected to the charger.






The battery has been fully drained and does not have sufficient charge to power on or the battery contacts may be damaged.


Software version affectedAll
Software version resolvedN/A
Cause Tip





To fix the phone being unresponsive and not powering on, follow these steps:


Device & network steps


  1. Press and hold the Power and Volume Down keys for 15 seconds while the phone is connected to the charger. You should get a vibration.
  2. If the device still does not respond, leave the device connected to the wall charger and USB cable that came with the device.
  3. Once the device has sufficient power, it will automatically power on.
    Note: This may take up to 20 minutes.
  4. Remove the back cover and inspect the battery contacts for any sign of damage.
    Note: If the device battery contacts are detached or partially detached, the device may need to be replaced. Please contact us.
  5. If you still do not receive a response, perform a master reset with hardware keys. See: Reset: Nokia Lumia 521