Visit the Hisense Firmware Download page .
Copy the file to the root of a FAT32 formatted USB drive. Download MS6486T PB753 1920x1080 Hisense 43N2170 part2 rar
Select both parts and extract them to get the main software file (usually ending in .bin or .pkg ). Visit the Hisense Firmware Download page
This is a common source for these specific board-level files (MSD6486T TP.MS6486T.PB753). You can check their firmware file listing for the exact archive you mentioned. 3. How to Update via USB Download MS6486T PB753 1920x1080 Hisense 43N2170 part2 rar