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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 4
: Long press the “VOL+” button in the middle of the 7 buttons on the button board at the lower right corner of
the front fram
e, and also turn the hard switch on the back of the product from “o” to “-” to power on the product;
Step 5: At this moment, the product will start up, detect the upgrade file and perform upgrade automatically. The
power indicator light at the lower right corner will start blinking in red; after three times of blinking indicating the
system has recognized the upgrade file in the Udisk, you can release the “VOL+” button (for some Udisk, their
indicator light will also blink to indicate the upgrade file is being written);
