730N RER - I placed a 730N RER in my gen 3 using the lockpick adapter and learned a few things when my HTC EVO4G would connect fine, but had no sound. It is amost always a software update issue when it comes to connecting and using a newer phone. I pushed a new software update and all is well. You must be careful when pushing the update to make sure power is not interupted. Follow this link for all things related Uconnect,
http://mofv.com/mygig/
It is the unofficial Becker site for all the mygigs with the exception of the RBZ Garmin which is a Mitsubishi electronics productt (AKA 430N RBZ).
When you burn the update: Burn it at the slowest speed possible and finalize the CD so the radio will recognize the software.
Even if it shows the same software version, run the update anyway as this will usually fix any connectivity issues, after the update all previous paired phones will be erased so re-pair your phones.
Try it first without allowing MyGig to download your phone book and if it works, re-pair again and let it suck in your phone book.
It is not hard to do, but follow the directions carefully, if you screw it up, only the dealer can reset the radio.
Good luck.
Sully
P.S. The Lockpick adapter works great adapting a gen 3 and allows you to use either a low speed or high speed canbus radio by changing dip switch settings.