2. How to check the version number:After the device is powered on, go to the menu page and find the device information at the very end. You can see the software version number ( e.g. Version 1.00: V1.00 ).
3. Upgrade method: Method 1.After powering on the device, enter the menu, find the device information, connect the computer via a USB cable, and then click on firmware upgrade. Method 2.In the powered-off state, press and hold the MENU button, then insert the USB interface to connect to the computer and proceed with the upgrade.
New Features: screen lock power-off memory. support disabling power-on lock in the menu (no unlock required on startup).