Samsung Galaxy Note 9 SM-N9600 Android 10 is being rolled out. If you have not received an update till now then you can download and install it from here. This firmware is only suitable for Latin American models. If your phone is not working well after an automatic upgrade or having other software-related problems then you can also use this firmware. It may also help you to go back to stock from a custom ROM. This is repair firmware with 4 files.