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| Release date | May 02, 2007 | October 30, 2008 | March 12, 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 Samsung Delve is an attractive, multimedia phone with good performance. It lacks some important features but it's a solid addition to Alltel's lineup. | The LG Glimmer combines the glamour of a touch screen, the convenience of a slider keypad, plus high-end features to produce a top-notch phone for Alltel customers. | Though there are better choices for a midrange phone, the Samsung SCH-u520 is remarkable and offers the innovative Celltop application. |
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| Features | |||||
| Cellular technology | CDMA2000 1X / AMPS | CDMA2000 1X | CDMA2000 1X | CDMA2000 1X | CDMA2000 1X |
| Weight | 3.4 oz | 2.5 oz | 3.6 oz | 4.5 oz | 3 oz |
| Talk time | Up to 240 min | Up to 216 min | Up to 282 min | Up to 210 min | Up to 210 min |
| Wireless Interface | Bluetooth | Bluetooth | Bluetooth | Bluetooth | Bluetooth |
| Service Provider | Alltel Wireless | Alltel Wireless | Alltel Wireless | Alltel Wireless | Alltel Wireless |
| Band / mode | CDMA2000 1X 1900/800 / AMPS 800 | CDMA2000 1X 1900/800 | CDMA2000 1X 1900/800 | CDMA2000 1X 1900/800 | CDMA2000 1X 1900/800 |
| Full specifications | Full specifications | Full specifications | Full specifications | Full specifications | Full specifications |
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