Your TV’s internal memory is full cached data from old apps. The Fix: Go to Settings > Apps > See all apps. Click on apps like YouTube, Netflix, and any pre-installed games. Select "Clear Cache" and "Clear Data." Delete unused apps. Then retry the update.
For most owners, the best “update” is installing a separate streaming stick (Fire TV, Chromecast) and leaving the Geepas firmware untouched. Geepas Smart Tv Software Update