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2. In case of booting, insert the USB flash drive into the box, and the page will pop up automatically. Click "System Upgrade"; 
If there is a problem with the upgrade, please add the official butler QQ 293528233 of the sofa butler and you will be answered by the customer service!
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Version number: 2.03.03
Version update information:
1. First of all, you need to download the following version 2.03.03 of the ROM and put it into your U disk level directory. Please note: Please ensure that your U disk's free space is above 1G, and U disk must be fat32 format; After the upgrade is successful, the box will automatically restart, and the latest version will be available after the restart!
2.03.03ROM download Please note: the file name must be changed to update
3, the page will automatically pop up, click "OK";
4. During system upgrade, please do not power off or restart.
1. Integrate a new upgrade system and actively choose to upgrade to obtain priority download rights;
2, integrated new version of the application store, more exciting applications, waiting for you to find;
3, integration of new WeChat interaction, support scan binding;
4, system settings on the machine interface, increase the storage information display;
5, long press the standby button to restore the factory, a key to optimize more convenient;
6, to solve other known BUG;
Smart TV/box information can focus on smart TV information network sofa butler (http://), China's influential TV box and smart TV website, providing information, communication, TV boxes, smart TVs, smart TV software, etc. Answering questions.