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5.2 Upgrade via side buttons
Step 1: Copy the upgrade file
“MstarUpgrade.bin” to the root directory in the UDISK;
Step 2: Insert the UDISK
into the “ANDROID-USB” port on the front frame;
Step 3
: After normal shutdown, turn the power switch from “-” to “o” to power off the product;
Step 3: Long press the “VOL+” button in the middle of the 7 buttons on the button board at the lower
right corner of the front frame, and turn the hard switch on the back of the product from “o” to “-” to
power on the product;
Step 4: At this moment, the product will start up, detect the upgrade file and perform upgrade
automatically. The power indicator light in the lower right corner will start blinking in red; after blinking
three times, indicating the system has recognized the upgrade file on the UDISK, you can release the
