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| Phone | Samsung SCH-A310 | Apple iPhone 4 (GSM) | BlackBerry Curve 8330 | Cricket Debut S2 / AT&T Calypso 4 | Sanyo RL-4930 |
| Current U.S. Carriers | (none) | (none) | (none) |
AT&T Cricket |
(none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
3.5" diag. 5 : 3 |
? |
6.1" diag. 19.5 : 9 |
? |
| Display Resolution & Type |
128 x 128 pixels LCD (Grayscale) |
640 x 960 pixels (~330 ppi) LCD (TFT/TFD) |
320 x 240 pixels LCD (TFT/TFD) |
720 x 1560 pixels (~282 ppi) LCD (TFT/TFD) |
128 x 112 pixels LCD (STN) |
| Display Refresh | ? | 60 Hz | ? | 60 Hz | ? |
| Battery | ? | ? | 1,150 mAh | 3,000 mAh | 1,700 mAh |
| Processor | ? | Apple A4 | ? | 2 GHz MediaTek Helio A22 (MT6761WB) | ? |
| RAM | ? | ? | ? | 3 GB | ? |
| Storage | ? raw hardware | 32 GB * | ? raw hardware | 64 GB | ? raw hardware |
| Main Camera | - | 5 megapixel | 2 megapixel | 8 megapixel | - |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | 720p HD | ? | ? | - |
| Front Camera | - | Yes | - | 5 megapixel | - |
| Weight |
3.2 oz (91g) |
4.8 oz (136g) |
4.02 oz (114g) |
5.64 oz (160g) |
4.4 oz (125g) |
| Dimensions |
3.43" x 1.89" x 0.87" (87 x 48 x 22.1 mm) |
4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm) |
4.2" x 2.4" x 0.6" (107 x 61 x 15.2 mm) |
6.11" x 2.87" x 0.34" (155 x 73 x 8.6 mm) |
4.5" x 2" x 1" (114 x 51 x 25.4 mm) |
| Form Factor | Clamshell | Slab | Slab | Slab | Slab |
| Platform / OS | (proprietary) | iOS | BlackBerry OS | Android | (proprietary) |
| Network Bands |
CDMA: 850, 1900 AMPS: 850 |
WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30, 66 WCDMA: 1, 2, 4, 5, 8 |
CDMA: 850, 1900 AMPS: 850 |
| Data Technology | 1xRTT | HSPA 7.2 | EVDO r0 | LTE (Cat 4) | 1xRTT |
| Features | |||||
| Flashlight | - | - | - | Yes | - |
| GPS / Location | Yes | n/a | n/a | n/a | Yes |
| Ruggedized | - | - | - | - | Yes |
| Accessibility | |||||
| Adjustable Text Size | - | n/a | n/a | n/a | - |
| Hearing Aid Compatible | - |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
- |
| Multiple Languages | Yes | n/a | n/a | n/a | Yes |
| TTY/TDD (Digital) | - | Yes | Yes | - | Yes |
| Alerts | |||||
| Extra Display | Yes | - | - | - | - |
| Ringer Profiles | - | - | Yes | - | - |
| Connectivity | |||||
| Bluetooth | - | Yes | Yes | Yes | - |
| Mobile Hotspot | - | n/a | n/a | n/a | - |
| USB | Yes | Yes |
Yes Mini-USB |
Yes USB Type C |
Yes |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
- |
Yes 5 (802.11 a,ac,b,g,n) |
- |
| Contacts | |||||
| Picture ID | - | n/a | n/a | n/a | Yes |
| Ringer ID | - | n/a | n/a | n/a | Yes |
| Voice Dialing | Yes | n/a | n/a | n/a | Yes |
| Customization | |||||
| Changeable Body Plates | Yes | - | - | - | - |
| Custom Graphics | - | n/a | n/a | n/a | Yes |
| Custom Ringtones | - | n/a | n/a | n/a | Yes |
| Real-Music Ringers | - | n/a | n/a | n/a | - |
| Data & Network | |||||
| Data Tethering | Yes | n/a | n/a | n/a | - |
| WAP / Web Browser | Yes | n/a | n/a | n/a | Yes |
| Input | |||||
| Predictive Text Entry | Yes | n/a | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | Yes | - | - |
| Touch Screen | - |
Yes Capacitive |
- |
Yes Capacitive |
- |
| Memory | |||||
| Memory Card Slot | - | - | Yes | Yes | - |
| Messaging | |||||
| Email Client | - | n/a | n/a | n/a | - |
| MMS | - | n/a | n/a | n/a | - |
| Music | |||||
| Headphone Jack (3.5mm) | - | Yes | Yes | Yes | - |
| Music Player | - | n/a | n/a | n/a | - |
| Photo & Video | |||||
| TV Output | - | Yes | - | - | - |
| Power | |||||
| Fast Charging | - | - | - | Yes | - |
| Productivity | |||||
| Alarm | - | n/a | n/a | n/a | Yes |
| Calculator | - | n/a | n/a | n/a | - |
| Calendar | Yes | n/a | n/a | n/a | Yes |
| To-Do List | - | n/a | n/a | n/a | Yes |
| Voice Memo | Yes | n/a | n/a | n/a | Yes |
| Software | |||||
| Games | Yes | n/a | n/a | n/a | Yes |
| Java (J2ME) | - | n/a | n/a | n/a | Yes |
| Voice | |||||
| Call Screening | - | - | - | - | Yes |
| HD Voice | - | - | - | Yes | - |
| Headset Jack (2.5 mm) | Yes | n/a | n/a | n/a | - |
| Push-To-Talk | - | - | - | - | Yes |
| Speaker Phone | - | Yes | Yes | Yes | Yes |
| * Some versions only | |||||
| Samsung SCH-A310 | Apple iPhone 4 (GSM) | BlackBerry Curve 8330 | Cricket Debut S2 / AT&T Calypso 4 | Sanyo RL-4930 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SCH-A310 | Apple iPhone 4 (GSM) | BlackBerry Curve 8330 | Cricket Debut S2 / AT&T Calypso 4 | Sanyo RL-4930 |
