Tuner Firmware Update Process for Dynex Model DX‐37L150A111. IMPORTANT: Please completely read these instructions prior to starting yourupdate process.2. Determine the proper Rev id by looking at the sticker on the side of the TV (see photobelow) and write down the Model and Rev id for use later in this process.3. Insert USB drive to your PC or Mac4. USB drive being used must not have any folders or additional files on the device.5. Download the firmware that matches the Model and Rev id of your TV.6. To download firmware click on the “Support/Downloads” tab; then locate thecorresponding Rev id of your TV.7. Click on the firmware link titled “LC37KS70AUO.Bin” when the pop up box appearsselect “Save” and choose the destination of your USB drive.a. Note: Do NOT change the name of the file.b. Note: This file is <5 Megs in size; download time should be less than 1 minute.8. Once down load is complete safely remove your USB drive.9. Disconnect the AC power from your wall outlet for the TV10. Insert USB device into the SERVICE PORT; located in one of 3 places, back, side orbottom. The correct port will be labeled either Service or Service/USB. See photo below