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V660 User’s Guide
149
CHAPTER 22
Firmware Upgrade
This chapter describes how to upgrade the V660’s firmware using a T-Flash (microSD card).
Find firmware at www.zyxel.com
Make sure you have downloaded (and unzipped) the correct model firmware and version to
your computer before uploading to the device.
1 Be sure to upload the correct model firmware as uploading the wrong model
firmware may damage your device.
Take the following steps to upload firmware to the V660.
1 Ensure that the file system on your microSD card is FAT16.
2 Copy the MUPDAT.DIP file to the root directory of the microSD card.
3 Turn the V660 off.
4 Insert the microSD card into the V660’s microSD port.
5 Press the Power key and the 6 key simultaneously. The V660 gets the files from the
microSD card.
6 A bar displays. This shows the upload progress status. When the upload is complete, the
V660 restarts automatically.