Improved version with new features.The Alpine TuneIt app turns your iPhone into an interface for custom sound tuning, Facebook updates and more!Sound tuning right from your iPhoneDownload the TuneIt app and connect your iPhone via USB to an Alpine TuneIt app ready head unit. Your iPhone instantly becomes a sound tuning control center. As you change settings on the iPhone you can instantly hear the results, so you can customize the sound exactly as you want it. Sound tuning choices include: 6-channel Digital Time Correction, 9-Band Parametric EQ, and Crossovers.TuneIt now also links to Alpine's BASS ENGINE SQ technology featured in new head units. You can control BASS ENGINE SQ settings within the app and select the Alpine speaker models that you are using in your car, so the sound settings will automatically match your system. For quicker setting, five BASS ENGINE SQ presets are provided.With your vehicle and speakers entered into the TuneIt app, you can easily download Alpine recommended, vehicle and system specific, sound settings that are optimized for your set up.Share Your Sound Settings with Other Alpine FansAfter tuning your system, upload your settings to the Alpine Cloud Server to share them with other TuneIt users. Check out other users settings and rate them. Download high rated or interesting settings and try them in your car. User TuneIt submissions will keep growing so check back often to apply new settings.See Facebook Messages"The Alpine TuneIt App keeps you in touch with your Facebook friends. When you receive a notification, you can receive a visual alert on the phone and the head unit, plus a sound alert through your car speakers. The visual notification includes the Facebook icon and senders name with the profile picture shown on the iPhone.Compatible Alpine RadiosFor United States2015: INE-W960, INE-W960S, CDE-W265BT, CDE-164BT2014: X009 series, X008U, INE-W957HD, iLX-007, IVE-W555BT, CDE-154BT, CDE-153BT, UTE-52BT2013: CDE-HD149BT, CDE-HD148BT, CDE-147BTFor Europe2015: X901D, X801D-U, X701D, INE-W997D, INE-W990BT, CDE-W296BT, CDE-195BT2014: X800D-U series, INE-W987D, iLX-700, IVE-W585BT, CDE-185BT, CDE-183BT2013: CDE-178BT, CDE-177BT, CDE-175R, iDE-178BTFor Southeast Asia2015: X110E, INE-W960E, CDE-W265EBT, CDE-164EBT2014: X009E series, X008EU, INE-W957E, IVE-W554EBT, CDE-154EBT, CDE-153EBT2013: CDE-148EBT, CDE-147EBT, CDE-145EFor Australia2015: X108AU, INE-W960A, CDE-W265EBT, CDE-164EBT2014: X008AU, INE-W957A, iLX-007E, IVE-W554ABT, CDE-154EBT, CDE-153EBT2013: CDE-148EBT, CDE-147EBT, CDE-145EFor China2014: CDE-153CBT, CDx-A08Note:In some regions, GPS signal is required at all times for the TuneIt app to function with the head unit. Ensure that GPS is on when opening the TuneIt app for the first time so it can determine your region.In order to receive Facebook notifications on the head unit, the TuneIt app must be the active app on the phone.RequirementiPhone 4s/5/5c/5s/6/6 PlusiOS 7.0 or laterPlease use an accessible email address to create an account. If you have not received your verification email, please check your spam folder.