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Microsoft Lumia 550 Device maintenance How to do a factory reset

Microsoft Lumia 550
Microsoft Lumia 550 - Device maintenance - How to do a factory reset - Step 1
  • When certain applications no longer function properly or if your Microsoft Lumia 550 is very slow, you can reset the device to its factory settings. This will reset the telephone to the settings it had when you first turned it on.
  • Please note: your Microsoft Lumia 550 may request a security code, which, if necessary, can be found in the instructions of the Microsoft Lumia 550. Make sure you have them at hand.
  • If you purchased a used device and do not know the code, you should ask the previous owner for it.
Microsoft Lumia 550 - Device maintenance - How to do a factory reset - Step 2
  • Please note: resetting the device will erase all data and settings on the device. If necessary, make a backup on your computer.
  • Select Next for step-by-step instructions to reset the Microsoft Lumia 550 to factory settings.
Microsoft Lumia 550 - Device maintenance - How to do a factory reset - Step 3
  • Go to the Start screen.
  • Scroll to the right.
Microsoft Lumia 550 - Device maintenance - How to do a factory reset - Step 4
  • Scroll down.
  • Choose Settings.
Microsoft Lumia 550 - Device maintenance - How to do a factory reset - Step 5
  • Choose System.
Microsoft Lumia 550 - Device maintenance - How to do a factory reset - Step 6
  • Choose About.
Microsoft Lumia 550 - Device maintenance - How to do a factory reset - Step 7
  • Scroll down.
  • Choose Reset your phone.
Microsoft Lumia 550 - Device maintenance - How to do a factory reset - Step 8
  • Optional: tick Also erase SD card.
  • Choose Yes.
Microsoft Lumia 550 - Device maintenance - How to do a factory reset - Step 9
  • Choose Yes.
Microsoft Lumia 550 - Device maintenance - How to do a factory reset - Step 10
  • All data and settings saved on the Microsoft Lumia 550 will be deleted.
  • The Microsoft Lumia 550 will automatically reset and reboot.
Microsoft Lumia 550 - Device maintenance - How to do a factory reset - Step 11
  • The Microsoft Lumia 550 has been reset.
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