Internal data for Email, Contacts, and Calendar is encoded.
Data cannot be encoded when the battery level is less than 50%.
Encoding can only be done when there is sufficient storage space available; a minimum of 650MB of free space in the internal memory and 500MB in the microSD card is needed for encoding.
While encoding, you cannot access Email, Contacts, and Calendar. Some settings will not be available as well.
Do not connect the USB Cable while encoding.
Do not take out the microSD card while encoding.
Do not take out the battery while encoding.
Do not press the Power/Lock Key while encoding.
After encoding, your phone will reboot to arrange the data.
If you encode the microSD card then perform a factory reset without the microSD card inserted, you cannot decode the microSD card.