Power the BrightSign off.

Remove the SD card.

Insert the SD card into your PC.

Format the SD card as FAT32.

Download the setup files — contact Menuboard Manager support if you don't have them.

Unzip the file, open the folder, and copy all files.

Paste the files onto the SD card, then eject it from your PC.

Insert the SD card into the BrightSign.

Hold both the RST and SRV buttons, power the unit on while holding them, and release when you see the amber LED flash.

The firmware update will run — an orange progress bar appears on-screen.

Setup will run and the unit will reboot several times.

When complete, an Installation Complete screen appears.

In Menuboard Manager, go to Units — the unit will be listed there.

Provision the unit: give it a name, then select the location and sign.

Click Reload App to push content to the display.

Log in to BSN.cloud.

Go to the Network tab.

Click the gear icon for the unit you want to downgrade.

Go to the Advanced tab.

In the BS OS Update section, click Custom URL.

Paste in the firmware URL provided by support.

Click Update.

Power the MIMO monitor off using the switch on the bottom of the unit.

Gently push the SD card in on the bottom of the unit to release it.

Remove the SD card.

Install the new SD card.

Power the MIMO monitor back on.

Wait for the unit to reboot and go through a setup process.

You will see a message on-screen — "Installing Partner Application" — if the update is proceeding successfully.

When the update is complete, an activation screen displays a registration code.

Go to osmsolutions.com and initiate a support chat to activate the MIMO monitor or to get help from the Support Team.