maybe you should try check the vendor ID before buying.example vendor id 603,301,120 and 613 (mine) has option for 3G only. i heard that if the blackberry made in hungary usually has this option 3G & no hardware problem issue
The 3G only option is based on the vendor ID the BB is flashed with from the factory - nothing to do with the OS or the country of manufacture. Rogers for example allows 3G only as an option whereas AT&T in the US does not. This was the case with the Bold 9000 and Bold 9700.
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--EB/ASN
9700 on 6.0.0.something, BES 4.1 on Exchange, BIS (AT&T)
Ex 8700, 8800, 8100, 8310, 9000