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| Release date | May 02, 2007 | March 20, 2008 | |||
| The Bottom Line | The Samsung SCH-U420 is a very attractive and lightweight phone for Alltel, though it could use some refinements in feature implementation. | The Samsung SCH-R510 offers thin-phone fans an admirable feature set, but we wish it had better call quality. | The Motorola Rokr Z6m is a quality music phone for Alltel, but we wished it offered a few more features and came with additional extras in the box. | Though there are better choices for a midrange phone, the Samsung SCH-u520 is remarkable and offers the innovative Celltop application. | Though its design is nothing special, the Samsung Muse is a decent choice for an Alltel music phone. |
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| Features | |||||
| Cellular technology | CDMA2000 1X / AMPS | CDMA2000 1X | Info unavailable | CDMA2000 1X | CDMA2000 1X |
| Weight | 3.4 oz | 2.5 oz | Info unavailable | 3 oz | 3.4 oz |
| Talk time | Up to 240 min | Up to 216 min | Info unavailable | Up to 210 min | Up to 210 min |
| Wireless Interface | Bluetooth | Bluetooth | Info unavailable | Bluetooth | Info unavailable |
| Service Provider | Alltel Wireless | Alltel Wireless | Alltel Wireless | Alltel Wireless | Alltel Wireless |
| Band / mode | CDMA2000 1X 1900/800 / AMPS 800 | CDMA2000 1X 1900/800 | Info unavailable | CDMA2000 1X 1900/800 | CDMA2000 1X 1900/800 |
| Full specifications | Full specifications | Full specifications | Full specifications | Full specifications | Full specifications |
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