The standard 5238 will refuse to install on older RNS 510 units (HW versions below H60). Josi’s patch removes this check, allowing the firmware to run on LCD-based units (HW versions H02, H04, H10–H50) without requiring a hardware swap to LED.
Allows passengers to watch DVDs while the car is moving (normally cuts out at 5mph). Performance: rns 510 firmware 5238 josi work
This guide is for informational purposes only. Proceed at your own risk, and take necessary precautions to avoid damaging your RNS 510 system. The standard 5238 will refuse to install on