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| Phone | Samsung SCH-U620 | Samsung SCH-A645 | ZTE Flash | Palm Treo 600 (CDMA) | Samsung SGH-R225 / SGH-R225M |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? | ? |
4.5" diag. 16 : 9 |
? | ? |
| Display Resolution & Type |
240 x 320 pixels LCD (TFT/TFD) |
128 x 160 pixels LCD (STN) |
720 x 1280 pixels (~326 ppi) LCD (TFT/TFD) |
160 x 160 pixels LCD (Color) |
128 x 64 pixels |
| Display Refresh | ? | ? | 60 Hz | ? | ? |
| Battery | 1,000 mAh | 1,000 mAh | 1,780 mAh | ? | ? |
| Processor | ? | ? | 1.5 GHz Qualcomm Snapdragon S4 Plus MSM8960 | ? | ? |
| RAM | ? | ? | 1 GB | ? | ? |
| Storage | ? raw hardware | ? raw hardware | 8 GB | ? raw hardware | ? raw hardware |
| Main Camera | 1 megapixel | - | 12 megapixel | Yes | - |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | QVGA (320 x 240) | - | 1080p HD | - | - |
| Front Camera | - | - | 1 megapixel | - | - |
| Weight |
3.74 oz (106g) |
3.2 oz (91g) |
5.2 oz (147g) |
6.2 oz (176g) |
3.35 oz (95g) |
| Dimensions |
3.78" x 1.85" x 0.87" (96 x 47 x 22.1 mm) |
3.54" x 1.79" x 0.94" (90 x 45 x 23.9 mm) |
5.27" x 2.56" x 0.38" (134 x 65 x 9.7 mm) |
4.41" x 2.36" x 0.87" (112 x 60 x 22.1 mm) |
4.33" x 1.81" x 0.93" (110 x 46 x 23.6 mm) |
| Form Factor | Slide | Clamshell | Slab | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | Android | Palm OS | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
CDMA: 850, 1900 AMPS: 850 |
4G LTE: 25 CDMA: 800, 850, 1900 |
CDMA: 850, 1900 |
GSM: 900, 1900 |
| Data Technology | EVDO r0 | 1xRTT | LTE (Cat 3) | 1xRTT | - |
| Features | |||||
| GPS / Location | Yes | Yes | n/a | n/a | - |
| Accessibility | |||||
| Adjustable Text Size | - | - | n/a | n/a | - |
| Hearing Aid Compatible | Yes | Yes | Yes | - | - |
| Multiple Languages | Yes | Yes | n/a | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes | - |
| Alerts | |||||
| Extra Display | - | Yes | - | - | - |
| Connectivity | |||||
| Bluetooth |
Yes Classic Audio |
- |
Yes Classic Audio |
- | - |
| Infrared (IR) | - | - | - | Yes | - |
| Mobile Hotspot | - | - | n/a | n/a | - |
| NFC | - | - | Yes | - | - |
| USB | Yes | - |
Yes Micro-USB |
Yes | - |
| Wi-Fi | - | - |
Yes 4 (802.11 b,g,n) |
- | - |
| Contacts | |||||
| Picture ID | Yes | Yes | n/a | n/a | - |
| Ringer ID | Yes | - | n/a | n/a | Yes |
| Voice Dialing | Yes | Yes | n/a | n/a | - |
| Customization | |||||
| Custom Graphics | Yes | Yes | n/a | n/a | Yes |
| Custom Ringtones | Yes | Yes | n/a | n/a | Yes |
| Real-Music Ringers | - | - | n/a | n/a | - |
| Data & Network | |||||
| Data Tethering | - | - | n/a | n/a | Yes |
| WAP / Web Browser | Yes | Yes * | n/a | n/a | - |
| Input | |||||
| Predictive Text Entry | Yes | Yes | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes | - |
| Text Keyboard, Hardware | - | - | - | Yes | - |
| Touch Screen | - | - | Yes | Yes | - |
| Memory | |||||
| Memory Card Slot | Yes | - | Yes | Yes | - |
| Messaging | |||||
| Email Client | - | - | n/a | n/a | - |
| EMS / Picture Messaging | - | Yes | n/a | n/a | - |
| Instant Messaging | Yes | - | n/a | n/a | - |
| MMS | Yes | - | n/a | n/a | Yes |
| Text Messaging Templates | Yes | Yes | n/a | n/a | Yes |
| Music | |||||
| Headphone Jack (3.5mm) | - | - | Yes | - | - |
| Music Player | Yes | - | n/a | n/a | - |
| Stereo Speakers | Yes | - | - | - | - |
| Productivity | |||||
| Alarm | Yes | Yes | n/a | n/a | Yes |
| Calculator | Yes | Yes | n/a | n/a | Yes |
| Calendar | Yes | Yes | n/a | n/a | Yes |
| To-Do List | - | Yes | n/a | n/a | - |
| Voice Memo | Yes | Yes | n/a | n/a | - |
| Software | |||||
| BREW | Yes | Yes * | n/a | n/a | - |
| Games | Yes | Yes * | n/a | n/a | Yes |
| Voice | |||||
| HD Voice | - | - | Yes | - | - |
| Headset Jack (2.5 mm) | Yes | Yes | n/a | n/a | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes | - |
| * Some versions only | |||||
| Samsung SCH-U620 | Samsung SCH-A645 | ZTE Flash | Palm Treo 600 (CDMA) | Samsung SGH-R225 / SGH-R225M | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SCH-U620 | Samsung SCH-A645 | ZTE Flash | Palm Treo 600 (CDMA) | Samsung SGH-R225 / SGH-R225M |
