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| Phone | Samsung SGH-A157 | Coolpad Quattro 4G | Motorola i450 / i455 | Motorola Krave ZN4 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
1.8" diag. 4 : 3 |
4" diag. 5 : 3 |
? |
2.8" diag. 5 : 3 |
| Display Resolution & Type |
128 x 160 pixels (~116 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
130 x 130 pixels LCD (STN) |
240 x 400 pixels (~167 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? | ? |
| Battery | 800 mAh | 1,600 mAh | ? | 950 mAh |
| Processor | ? | ? | ? | ? |
| RAM | ? | ? | ? | ? |
| Storage | 256 MB | 512 MB | ? raw hardware | ? raw hardware |
| Main Camera | - | 3 megapixel | - | 2 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | VGA (640 x 480) | - | QVGA (320 x 240) |
| Front Camera | - | Yes | - | - |
| Weight |
2.99 oz (85g) |
3.31 oz (94g) |
4.5 oz (128g) |
4.52 oz (128g) |
| Dimensions |
3.83" x 1.84" x 0.65" (97 x 47 x 16.5 mm) |
4.96" x 2.6" x 0.51" (126 x 66 x 13 mm) |
3.5" x 2" x 1.1" (89 x 51 x 27.9 mm) |
4.12" x 2.01" x 0.74" (105 x 51 x 18.8 mm) |
| Form Factor | Clamshell | Slab | Clamshell | Flip |
| Platform / OS | (proprietary) | Android | (proprietary) | (proprietary) |
| Network Bands |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4 CDMA: 850, 1700, 1900 |
iDEN: 800 |
CDMA: 850, 1900 |
| Data Technology | ? | LTE (Cat 3) | - | EVDO r0 |
| Features | ||||
| GPS / Location | Yes | n/a | Yes | Yes |
| Accessibility | ||||
| Adjustable Text Size | Yes | n/a | - | - |
| Hearing Aid Compatible | Yes | Yes | Yes | Yes |
| Multiple Languages | Yes | n/a | Yes | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | - | - | Yes | - |
| Ringer Profiles | Yes | - | Yes | - |
| Connectivity | ||||
| Bluetooth | - | Yes | - | Yes |
| Mobile Hotspot | - | n/a | - | - |
| USB |
Yes Micro-USB |
Yes | Yes |
Yes Micro-USB |
| Wi-Fi | - | Yes | - | - |
| Contacts | ||||
| Picture ID | Yes | n/a | Yes | Yes |
| Ringer ID | Yes | n/a | Yes | Yes |
| Voice Dialing | - | n/a | Yes | Yes |
| Customization | ||||
| Custom Graphics | Yes | n/a | Yes | Yes |
| Custom Ringtones | Yes | n/a | Yes | Yes |
| Real-Music Ringers | Yes | n/a | Yes * | Yes |
| Data & Network | ||||
| Data Tethering | - | n/a | Yes | Yes |
| WAP / Web Browser | Yes | n/a | Yes | Yes |
| Input | ||||
| Predictive Text Entry | Yes | n/a | Yes | Yes |
| Side Keys | - | Yes | Yes | Yes |
| Touch Screen | - | Yes | - | Yes |
| Memory | ||||
| Memory Card Slot | - | Yes | - | Yes |
| Messaging | ||||
| Email Client | - | n/a | - | Yes |
| EMS / Picture Messaging | - | n/a | - | Yes |
| Instant Messaging | - | n/a | - | Yes |
| MMS | Yes | n/a | Yes | Yes |
| Text Messaging Templates | Yes | n/a | Yes | Yes |
| Music | ||||
| Headphone Jack (3.5mm) | - | Yes | - | Yes |
| Music Player | - | n/a | - | Yes |
| Productivity | ||||
| Alarm | Yes | n/a | - | Yes |
| Calculator | Yes | n/a | - | Yes |
| Calendar | Yes | n/a | Yes | Yes |
| To-Do List | Yes | n/a | - | - |
| Voice Memo | Yes | n/a | Yes | Yes |
| Software | ||||
| BREW | - | n/a | - | Yes |
| Games | - | n/a | Yes | Yes |
| Java (J2ME) | - | n/a | Yes | - |
| Voice | ||||
| Headset Jack (2.5 mm) | - | n/a | Yes | - |
| Push-To-Talk | - | - | Yes | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| Samsung SGH-A157 | Coolpad Quattro 4G | Motorola i450 / i455 | Motorola Krave ZN4 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-A157 | Coolpad Quattro 4G | Motorola i450 / i455 | Motorola Krave ZN4 |
