Note: The following information applies to IS310.2 and IS320.1
If the display does not respond, or if the display only shows the boot logo, proceed as follows:
|Remove the battery from the device for at least 12 hours to discharge internal capacities.
|Restart the device.
|If the problem persists, send the device to our service centre. For quick order processing, submit a repair request. For detailed instructions, click here.