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| Phone | Samsung SGH-A157 | Nokia N900 | ZTE Speed | Cal-Comp EZ |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
1.8" diag. 4 : 3 |
3.5" diag. 5 : 3 |
4.5" diag. 16 : 9 |
? |
| Display Resolution & Type |
128 x 160 pixels (~116 ppi) LCD (TFT/TFD) |
800 x 480 pixels (~267 ppi) LCD (TFT/TFD) |
540 x 960 pixels (~245 ppi) LCD (TFT/TFD) |
128 x 128 pixels LCD (STN) |
| Display Refresh | ? | ? | 60 Hz | ? |
| Battery | 800 mAh | 1,320 mAh | 2,000 mAh | 800 mAh |
| Processor | ? | 600 MHz TI OMAP 3430 (ARM Cortex-A8) | 1.2 GHz Qualcomm Snapdragon 410 MSM8916 | ? |
| RAM | ? | ? | 1 GB | ? |
| Storage | 256 MB | ? raw hardware | 8 GB | ? raw hardware |
| Main Camera | - | 5 megapixel | 5 megapixel | - |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | ? | 720p HD | - |
| Front Camera | - | - | 2 megapixel | - |
| Weight |
2.99 oz (85g) |
6.38 oz (181g) |
4.8 oz (136g) |
2.47 oz (70g) |
| Dimensions |
3.83" x 1.84" x 0.65" (97 x 47 x 16.5 mm) |
4.36" x 2.35" x 0.69" (111 x 60 x 17.6 mm) |
5.3" x 2.6" x 0.4" (135 x 66 x 10.2 mm) |
4.04" x 1.71" x 0.63" (103 x 43 x 16 mm) |
| Form Factor | Clamshell | Slide | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | Android | (proprietary) |
| Network Bands |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
WCDMA: 1, 4, 8 GSM: 850, 900, 1800, 1900 |
4G LTE: 25, 26, 41 CDMA: 800, 850, 1900 |
CDMA: 850, 1900 |
| Data Technology | ? | HSPA 10.1 | LTE (Cat 3) | 1xRTT |
| Features | ||||
| GPS / Location | Yes | Yes | n/a | Yes |
| Accessibility | ||||
| Adjustable Text Size | Yes | - | n/a | - |
| Hearing Aid Compatible |
Yes M4 (very compatible) |
Yes M3 (mostly compatible) |
Yes M3, T4 (very tele-coil compatible) |
- |
| Multiple Languages | Yes | Yes | n/a | Yes |
| TTY/TDD (Digital) | Yes | - | Yes | - |
| Alerts | ||||
| Ringer Profiles | Yes | - | - | - |
| Connectivity | ||||
| Bluetooth | - | Yes | Yes | - |
| Mobile Hotspot | - | - | n/a | - |
| USB |
Yes Micro-USB |
Yes Micro-USB |
Yes Micro-USB |
Yes Mini-USB |
| Wi-Fi | - |
Yes 802.11 b,g |
Yes 4 (802.11 b,g,n) |
- |
| Contacts | ||||
| Picture ID | Yes | Yes | n/a | - |
| Ringer ID | Yes | - | n/a | - |
| Voice Dialing | - | - | n/a | - |
| Customization | ||||
| Custom Graphics | Yes | Yes | n/a | - |
| Custom Ringtones | Yes | Yes | n/a | - |
| Real-Music Ringers | Yes | Yes | n/a | - |
| Data & Network | ||||
| Data Tethering | - | - | n/a | - |
| WAP / Web Browser | Yes | Yes | n/a | - |
| Input | ||||
| Predictive Text Entry | Yes | - | n/a | - |
| Side Keys | - | Yes | Yes | - |
| Stylus | - | Yes | - | - |
| Text Keyboard, Hardware | - | Yes | - | - |
| Touch Screen | - | Yes |
Yes Capacitive |
- |
| Memory | ||||
| Memory Card Slot | - | Yes | Yes | - |
| Messaging | ||||
| Email Client | - | Yes | n/a | - |
| Instant Messaging | - | Yes | n/a | - |
| MMS | Yes | - | n/a | - |
| Text Messaging Templates | Yes | - | n/a | Yes |
| Music | ||||
| FM Transmitter | - | Yes | n/a | - |
| Headphone Jack (3.5mm) | - | Yes | Yes | - |
| Music Player | - | Yes | n/a | - |
| Stereo Speakers | - | Yes | - | - |
| Photo & Video | ||||
| DLNA | - | Yes | - | - |
| TV Output | - | Yes | - | - |
| Video Calling | - | Yes * | n/a | - |
| Productivity | ||||
| Alarm | Yes | Yes | n/a | Yes |
| Calculator | Yes | Yes | n/a | Yes |
| Calendar | Yes | Yes | n/a | Yes |
| To-Do List | Yes | - | n/a | Yes |
| Voice Memo | Yes | - | n/a | Yes * |
| Software | ||||
| Games | - | Yes | n/a | - |
| Voice | ||||
| HD Voice | - | - | Yes | - |
| Headset Jack (2.5 mm) | - | - | n/a | Yes |
| Speaker Phone | Yes | Yes | Yes | - |
| * Some versions only | ||||
| Samsung SGH-A157 | Nokia N900 | ZTE Speed | Cal-Comp EZ | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-A157 | Nokia N900 | ZTE Speed | Cal-Comp EZ |
