In order to hard reset a Digima Linx B510 3G, you should perform the following steps.
Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
Digima Linx B510 3G device will be brought back to the default configuration of a brand new device.
1. First, turn off the phone by press-holding the Power button for a few seconds.
2. Next, press and hold the Power and Volume Up buttons simultaneously. Release them when the Android logo appears.
3. Afterwards, use Volume buttons to select Recovery.
4. Now select the wipe data/factory reset. Use Volume buttons to navigate to it and Power button to confirm your choice.
5. A new menu will open. From it, select Yes. Again, confirm with Power button.
6. Now select reboot system now using Power button. Done!