Because updates differ based on model number, you must first determine which model number you have.
Android Settings → About Tablet → Check Model Number
Your model number should match TNDT80 or TNDT80B. If your model number does not match one of these numbers, do not proceed with these updates.
Before you begin, please be sure to follow these tips for a successful update:
1. Your device's OS (operating system) must be up to date prior to installing any other type of update(s). For step by step instructions on how to update your device's OS, please click here: TNDT80 OS Update →
2. Once your device is operating on the latest software version, follow these step by step instructions for installing other updates, such as map updates and app updates: TNDT80 Map Update →