What is listed in your system menu? Are you using an indoor or outdoor antenna ?
Fixes issues where the box skips channels or fails to lock on to weaker signals. viewtv at163 firmware update exclusive
Prevents the box from "forgetting" channels after a power outage. Audio/Video Sync: What is listed in your system menu
ViewTV typically hosts their firmware on a dedicated site. While in the past it was found at viewtvbox.com/firmware.html , always look for the most current, official ViewTV support channels. Note: Ensure the file you download is specifically for the AT-163 model, as firmware for other ViewTV models (like the AT-263) is not compatible. 3. Prepare the USB Drive Use a USB drive with a capacity of 4GB or smaller. always look for the most current