Acer MWA2 User Manual page 22

3. Wait as the firmware update is downloaded and installed (during this
time you will see a progress screen for downloading and then another for
installing). Please be patient as the process may take some time.
Caution: Do not turn off the device or unplug the MWA Wireless Adapter at
any time during the firmware upgrade.
4. Once the firmware upgrade is complete, the MWA Wireless Adapter will
automatically reboot.
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