The device is actually called a HTC Magician. It is branded in different flavours by HTC and QTEKS100 and I-mate jam are simply two incarnations of it. Exactly the same but different ROMS. I haven't tried it but guess you can flash the ROMS between these two. The hardware is exactly the same in all it's guises.
I have had to return my QTEKS100 because it has had a problem with a poor earpiece. I also had this poroblem on my XDA2 as well so it is a HTC weakness

Unfortunately it can be problem on the Magicians or even Himalaya's whether they are branded O2 XDA mini or MDA compact or whatever. Aside form the problems it is a great device.
I sent it back to the company I got it from yesterday and I will have a replacement with me tomorrow. Now that's what I call service !
I bought it as a QTEK because I liked their branding on the device and that QTEK also give a you a 24mth guarantee on it whilst others only give 12mth. Also I took the O2 desktop off my XDA2i and placed it onto my QTEKS100. I'm on O2 anyway and it looks lovely
All of the Magicians are most likely to go to Anovo in the UK for repair or firmware upgrades as they are the UK HTC designated repair centre.
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