O2 XDA Guide

navigation software and related maps obviously take up quite a bit of room. Naturally the handset has Wi-Fi and Bluetooth support, plus you also get HSDPA for browsing on the move via the nifty, preloaded Opera web browser.

Touch screen ; Good GPS ; HTC Footprints ; Wi-Fi and HSDPA 3G ; 3.2 megapixel camera

Small screen ; Fiddly keyboard ; No accelerometer ; Battery life not great ; Loudspeaker too quiet

You would only really consider buying the Xda Guide if sat nav is really important to you as part of your smart phone, but not so important that you really need a dedicated sat nav device. But if you're a regular, rather than a habitual user, and want...

The o2 XDA Guide is a great navigation tool. You can forget those expensive dedicated navigation devices that’ll probably get pinched when you accidentally leave them in the car. The CoPilot software worked incredibly well in our tests and it was easy...

Slick classical design with solid build quality, Gorilla Glass, IP54 ingress protection and a light body.

Display has no HDR support.

If, however, you don't particularly care about performance, which, mind you, is still decent in practical day-to-day terms and can live with the Snapdragon 695, the rest of the G84 package is solid through and through.