Note: The following information applies to IS320.1

Select <Settings> on the start screen.
Enter your password, or if not yet changed, the factory password 1234 and press LogIN.
Swipe down to <About phone>  and select it.
Tap <System updates>.
Check if an update is available and start it.
 If the problem persists, send the device to our service centre. For quick order processing, submit a repair request. For detailed instructions, click here.