Solution:
Mi TV and Mi Box supports users to define the device names. The system has four preset names to choose or to define preferred names and can customize device name.
1. Steps to select the preset name of the system: Enter "Settings" -- General Settings -- Device name, select the name and click "Ok" on the remote control.
2. If you want to customize the device name, please click the "down" button of the remote control after entering the interface, and the "Customize" option will appear. Click the "OK" button of the remote control, then can see the interface of entering the custom name.
Notes:
After entering the custom name, click "Finish" in the lower right corner of the virtual keyboard to save the custom name; If just click the "back key" of the remote control, the name will not be saved.