Successfully copied a 2024 Hyundai Sonata ID4A smart key using CGDI K2 and Hyundai solder free adapter.
Disassemble the original Hyundai/Kia smart key shell.
Put the original key circuit board on the CGDI Hyundai adapter and lock the key.
Connect CGDI K2 and the Hyundai adapter via the renew cable.
Select MCU Programmer function.
Choose the NCF29A1 (locked) option.
Read chip data and save.
Remove original key PCB.
Put a new original key PCB into the Hyundai adapter.
Then write data into a new key.
If you don’t have the CGDI Hyundai solder free adapter, solder renew cable wires to the key circuit board instead.
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CGDI K2 Copy Kia K3 2025-2026 4A NCF29Ax Smart Key without PIN