In order to hard reset a Nokia X2 Dual SIM, you should perform the following steps.
Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
Nokia X2 Dual SIM device will be brought back to the default configuration of a brand new device.
1. Press & hold the Power button until the phone powers down.
2. Now press & hold the Power and Volume Up buttons.
3. Nokia logo will pop on-screen. When it does, release Power button.
4. Let go of Volume Up when Recovery Mode menu pops up.
5. Now press Volume Down to select and Power button to choose wipe data/factory reset.
6. Now select Yes and Reboot.
7. Clap clap, congratulations. The hard reset is over.