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===SD card method for loading firmware===
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*Download the latest firmware file from the [https://wiki.opticonusa.com/techsupport/en/H22#Software software] section of this page.
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*Extract the firmware file to the root of a micro sd card, and place the Micro SD card into the H22.
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*Press and hold the "volume down" key and the "right scan" key then turn the H21 on (continue holding both keys).
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*If the sw update does not start press the reset button while hodling "left scan" + "right scan" + "volume down"
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*wait for the sw update to finish and proceed with the setup wizard
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===PC connection for loading firmware===
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*Connect the H22 to a PC running Windows XP or Windows 7.
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*Install Microsoft Active sync/ Windows Mobile Device Center.
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*Download the latest RUU_xxxx.exe firmware loader file from the [https://wiki.opticonusa.com/techsupport/en/H22#Software software] section of this page.
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*Run RUU_xxxx.exe on the PC and follow the instructions
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