part3 rar" likely refers to a split-archive firmware update for the Hisense 55N3000UW
If your TV is connected to the internet, follow these steps to check for official updates directly: How to Update Hisense TV Download Hisense UHD Smart 55N3000UW part3 rar
The file "Download Hisense UHD Smart 55N3000UW Go to product viewer dialog for this item. part3 rar" likely refers to a split-archive firmware
