In order to hard reset a Sony Ericsson K530, you should perform the following steps.
Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
Sony Ericsson K530 device will be brought back to the default configuration of a brand new device.
1. Switch on the phone.
2. Now select Menu > Settings > General > Master Reset.
3. Then select Delete all user installed applications > Delete.
4. Lastly, tap in the phone's lock code and select Done.