Go here and enter your VIN. It will tell you that there is an update available. Follow the instructions to download the update to a USB thumb drive and then you can flash your Cherokee radio. I completed the flash last night and now have ALL of the VIA MOBILE apps. Works GREAT!
https://rsur.extra.chrysler.com/rsur/Uconnect.do
https://rsur.extra.chrysler.com/rsur/Uconnect.do