14
• Select the item "Check for Updates" and follow the instructions on the screen in Hideez Safe
program.
Upgrading the firmware from Windows is more complicated than from Android. The reason is that there are
OS limits on Bluetooth connection operation by software. During the update process, the user will be asked to
add / remove devices in the system window of Bluetooth settings for several times.
Please note, that it is always necessary to add or remove a device with a name that starts with "v23", e.g.
"v23-Hideez-12345".
If firmware updates haven’t been installed for a long time, it might be needed to install it step by step. For
example, to install the latest version of the firmware 1.1x, then latest version of 1.2x etc.
Note: The firmware from the Hideez site is always encrypted by Hideez private key. This prevents firmware
spoofing and malicious code injection into the Hideez Key.
8.14. Updating the firmware from bootloader mode
If the firmware updating process fails for any reason, the Hideez Key can remain in bootloader mode. A LED is
illuminated constantly (the green color means the key fob is not connected, and the red one means it is
connected.)
In this mode, a Hideez Key is seen under the name "v23-Hideez-XXXXX", where XXXXX is the last five digits of
the serial number.
Connect the key fob as usual, using the adding the new device function in Hideez Safe. This device is able to be
updated or removed only. Once connected, please, check for updates and follow to the updating wizard
instructions.
The most common reason for update failure is a discharged battery. In this case, replace the battery. Do not
use the Wi-Fi of the paired phone or PC while update process, because Wi-Fi can affect the quality of the
Bluetooth connection.
Note: The battery discharges much quicker in bootloader mode than in regular mode. Do not leave the key fob
in this mode for a long time. If you cannot update the firmware for some reason, remove the battery and
contact technical support.
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