It will remove all the data ,contacts and apps that you installed
- First of all, power off the phone by using the Power button.
- In the next step press and hold the Volume Down and Power key for a short moment.
- When the exclamtion mark appears on the screen release held keys.
- Afterwards use the following sequence of buttons: Volume Up - > Volume Down - > Power - > Volume Down.
- Congratulations! The hard rest has just been performed.
- Start by turning on the phone using the Power button.
- Then go to the Main Menu, find and select Windows Phone Settings.
- In the next step tap About.
- Afterwards tap Reset your phone to confirm.
- Success! The device is ready to use.
Microsoft Lumia 550 Restore Factory Hard Reset Format Phone.So lets start the Microsoft Lumia 550 Restore Factory, Microsoft Lumia 550 Hard Reset.Turn Off the mobile phone for few mints. Microsoft Lumia 550 Remove Pattern Lock.
Hard Reset,Restart Problem,Restart Solution,Restore Factory,
Restore Hard reset will set your phone in origional factorry settings. It will remove all the data and apps that you installed. Your contacts will be removed and you have to add them again.