In order to hard reset a Samsung R260 Chrono, you should perform the following steps.
Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
Samsung R260 Chrono device will be brought back to the default configuration of a brand new device.
1.Switch on the phone.
2. Type in the *2767*3855# code.
3. Your phone will now restart. Yaay.