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Question: will this work with ipod touch 4th generation? Does anyone know if this (dual XGPS251) will work with the latest ipod touch? I certainly would love to add this to the latest ipod so that  many apps would be fully functional.
Document: Item arrived as promised. I did get a version with out the latest 10/10 firmware, but luckily I have a 3rd generation iPod Touch.The Dual XGPS251 works well, although sometimes it takes awhile to get a signal. Like others have said, once it is locked in it stays locked in solidly.Nevertheless, I would love to keep my iPod Touch in the Duel's enclosure permanently, however, I find it too BIG.
The DUAL XGPS251 Portable GPS and Battery Cradleis a great add on for my 4th generation Apple iPod touch.I downloaded the MapMyRide free App to keep track ofmy bicycle rides.
DUAL XGPS251 initially worked with my iPod Touch 4th Gen.A couple of months ago it stopped providing GPS location. We spoke with Dual tech support and they were unable to restore the GPS function. So today I received a replacement under warranty (cost us $17 in return shipping.) The replacement unit did not work, so again I called DUAL tech support. This time, they told me that apparently the XGPS251 does not work with the current iOS 6.1.3!
The GPS Cradle is made out of a robust non-slip ABS plastic. The battery when fully charged can recharge the ipod fully from being dead. The cradle does not work with all apps as many use wi-fi, the app that I use is "Global Navi."
Terrible, awful, despicable product. I bought it years ago and it was junk then. I cannot imagine anyone is thinking of buying it now, since most phones now come with GPS, and this product has been discontinued by the manufacturer. If however, you somehow stumbled upon this product, just ignore it and move on. I wanted it to work so badly.. I downloaded so many GPS apps both free and paid, hoping something would work and make my purchase worthwhile.
Amazon,What is the matter with you? A NEW version of this device XGPS251 with the 10/10 firmware exists. The old version of this device does NOT work with an iPOD TOUCH 4th generation device. Now I have to send this XGPS251 into the maufacture and get a replacement unit sent, which is going to take an additional 14 days and an extra $19.95 to complete the order. Why do I  have to send it in to the manufacture?
A very accurate distance readingmimics the distance on my handle bar attached Bell cycle computer.The cradle also extends battery life too.I would highly recommend it for your 2nd, 3rd and yes 4th (which I have)generation Apple iPod touch, especially if you are looking for a portableGPS unit.
The Dual XGPS251 Portable GPS & Battery Cradle for Ipod Touch is much better than I ever imagined it would be!It is extremely light weight and adds very little "bulk" to my Ipod touch while adding additional protective cushioning.
My speedometer cable in my classic car broke, so I bought this to allow my ipod touch to work as a speedometer and odometer for the time being. I just use a free speedo app (Speed Box Free) and it works great.I could have picked up a regular nav unit for the same purpose, but it's nice to add the GPS option to the touch for use with other apps.
A standard micro USB port would add much greater flexibility for the end user.Quirk #3:I don't understand why DUAL's older iTouch GPS application does not work with the XGPS251 and it would be nice if they had a application available just as an additional option. Also why does DUAL'S Bluetooth GPS application seem much more useful then the application for the XGPS251?
Answer: doesnt it hide the camera if you attach it to a 4th Gen Ipod?