Page 7 © 2022 FlexRadio, v1.0.0
Installing the new MicroSD Card
Once the existing MicroSD card has been removed, install the new MicroSD card that has been
formatted and has the SmartSDR firmware installed. Installing an unformatted MicroSD card
without the SmartSDR firmware installed will result in the radio not booting.
Installing the New MicroSD Card in the Card Socket
Make sure the silver retaining clip is in the unlocked and upright position. Carefully place the new
MicroSD card in the card socket. There is a plastic “key” on the right-hand side of the MicroSD
card that aligns up with a key slot on the card socket. Make certain that the card is properly
seated in the card socket.
Carefully fold down the silver retaining clip so that it is flat against the MicroSD card. Slide the
silver retaining clip towards the FPGA processor/fan assembly making sure that the MicroSD
card does not slip or move in the socket. This will lock the MicroSD card in the card socket as
shown below. Failure to seat the card properly will result in the card not making proper contact
with the card socket’s electrical contacts causing the radio to fail to boot up.
Note: It is possible to get the latch closed without seating the MicroSD card properly.
Ensure the MicroSD card is seated completely flush against the connector and that the
latch closes without being forced.
To prevent the retaining clip from coming unlatched when the radio is shipped, place a strip of
Kapton tape over the top of the MicroSD card socket as shown below.
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