For older units, there are no "new" official updates. You are likely looking for the last stable version to fix bugs or app compatibility. How to Update System Software in your SMART TV?

Plug the drive into a computer. Right-click the drive icon, select Format , and choose FAT32 as the file system. Perform a full format to wipe all existing data.

What is the exact from the back of your Coby TV?

Enhances connection stability with newer streaming sticks, soundbars, and gaming consoles.

: Re-calibrates backlighting and pixel response times for clearer high-definition playback. Method 1: Check Internal Menus for Built-In OTA Updates

because Coby Electronics Corporation ceased operations and went bankrupt around 2013. As the company no longer exists, there is no official website or server to host "new" firmware versions. JustAnswer