How to unlock Nissan Altima 2019-2022 Smart Remote 5 Buttons 433MHz Keys with SmartPro 5000U-Plus
first, you need have a SmartPro 5000U-Plus Programmer, if you donot have a SmartPro 5000U-Plus,
you can buy one from chinaobd2.com.
https://www.chinaobd2.com/wholesale/smartpro-5000u-plus-universal-usb-programmer-3059.html
Choose Chip as NCF29A3
Connect the cable as this tips.
after read the key chip files, you will be able to modify and program the keys.