Rt3 Upgrade 651 Na 663 Build 890 Can42 New Jun 2026

Updating the RT3 is a sensitive process. Failure to follow these steps can "brick" the head unit: Verify Hardware : Ensure your car is a

The move from version 6.51 to 6.63 build 890 provides several core functional improvements:

: Download the .iso or .rar file and burn it to a high-quality CD-R (not a CD-RW).

Disclaimer: This guide is for informational purposes. Flashing firmware carries inherent risks. The author and platform are not responsible for bricked radios or dead batteries. Always verify the file hash of your ISO against known Mopar checksums (MD5: 4f8a2b9c...).