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| Product | T-Mobile G1 (black) | T-Mobile Sidekick II | T-Mobile Sidekick LX (orchid) | Sony Xperia U (white/yellow, unlocked) |
| Price | $109.99 | $49.99 | Pricing is currently unavailable. | $169.00 |
| CNET editors' rating | 3.5 stars | 3 stars | 3.5 stars | Info unavailable |
| Average user rating | 3.5 stars | 3.5 stars | 3.5 stars | 0 stars |
| Release date | October 22, 2008 | August 4, 2004 | May 13, 2009 | Info unavailable |
| Bottom line | Though we're not in love with the design and would have liked some additional features, the real beauty of the T-Mobile G1 is the Google
Android platform, as it has the potential to make smartphones more personal and powerful. That said, it's not quite there yet, so for now, the G1 is best suited for early adopters and gadget hounds, rather than consumers and business users. | T-Mobile's Sidekick II adds a built-in camera to its stellar e-mail, surfing, and IM abilities, but some annoying flaws remain. | With the design improvements and addition of features such as 3G and GPS, the T-Mobile Sidekick LX 2009 graduates from a simple messaging handheld to a real connected, all-in-one communication device for the younger crowd. | Info unavailable |
| Service Provider | T-Mobile | T-Mobile | T-Mobile | Unlocked |
| Cellular technology | WCDMA (UMTS) / GSM | GSM | GSM / UMTS | GSM / UTMS |
| Band / mode | WCDMA (UMTS) / GSM 850/900/1800/1900 | GSM 900/1800/1900 (Tri-Band) | GSM 850/900/1800/1900 (Quadband) / UMTS 85/1700/2100 (Triband) | GSM 850/900/1800/1900 (Quadband) / UMTS 850/1900/2100 (Tri-band) |
| Talk time | Up to 300 min | Up to 240 min | Info unavailable | Up to 360 min |
| Wireless Interface | IEEE 802.11b/g Bluetooth 2.0 EDR | Info unavailable | Bluetooth 2.0 | Bluetooth |
| Weight | 5.6 oz | 6.5 oz | 0.4 lbs | 3.88 oz |
| Full specifications | Full specifications | Full specifications | Full specifications | Full specifications |
| Buying choices |
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| Pricing is currently unavailable. |
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