OBDSTAR updated new Toyota immobilizer software for OBDSTAR X300 DP Plus (Key Master DP Plus), X300 PRO4 (Key Master 5) on July 31st, 2023. It added Toyota 4A and 8A-BA models proximity key programming (no need pin code), and all … Continue reading OBDSTAR X300 DP Plus/X300 PRO4 Upgrade: Added TOYOTA 4A & 8A-BA Proximity Keys