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| Phone | Huawei M750 | Samsung SGH-A157 | Samsung DoubleTime | HTC G1 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2.8" diag. 4 : 3 |
1.8" diag. 4 : 3 |
3.2" diag. 5 : 3 |
3.2" diag. 5 : 3 |
| Display Resolution & Type |
240 x 320 pixels (~143 ppi) LCD (TFT/TFD) |
128 x 160 pixels (~116 ppi) LCD (TFT/TFD) |
320 x 480 pixels (~180 ppi) LCD (TFT/TFD) |
320 x 480 pixels (~182 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz | 60 Hz |
| Battery | 1,150 mAh | 800 mAh | 1,200 mAh | 1,150 mAh |
| Processor | ? | ? | 600 MHz Qualcomm | 528 MHz Qualcomm MSM7201A |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | 256 MB | ? raw hardware | ? raw hardware |
| Main Camera | 1 megapixel | - | 3 megapixel | 3 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | - | QVGA (320 x 240) | ? |
| Front Camera | - | - | - | - |
| Weight |
3.92 oz (111g) |
2.99 oz (85g) |
5.22 oz (148g) |
5.6 oz (159g) |
| Dimensions |
4.21" x 2.25" x 0.59" (107 x 57 x 14.9 mm) |
3.83" x 1.84" x 0.65" (97 x 47 x 16.5 mm) |
4.45" x 2.44" x 0.59" (113 x 62 x 15 mm) |
4.62" x 2.19" x 0.67" (117 x 56 x 17 mm) |
| Form Factor | Slab | Clamshell | Clamshell | Slide |
| Platform / OS | (proprietary) | (proprietary) | Android | Android |
| Network Bands |
CDMA: 850, 1700, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
WCDMA: 1, 4 GSM: 850, 900, 1800, 1900 |
| Data Technology | 1xRTT | ? | HSPA 7.2 | HSPA 7.2 |
| Features | ||||
| GPS / Location | Yes | Yes | n/a | n/a |
| Accessibility | ||||
| Adjustable Text Size | - | Yes | n/a | n/a |
| Hearing Aid Compatible | Yes | Yes | Yes | - |
| Multiple Languages | - | Yes | n/a | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | - |
| Alerts | ||||
| Ringer Profiles | - | Yes | - | - |
| Connectivity | ||||
| Bluetooth | Yes | - | Yes | Yes |
| Mobile Hotspot | - | - | n/a | n/a |
| USB | Yes |
Yes Micro-USB |
Yes Micro-USB |
Yes Mini-USB |
| Wi-Fi | - | - |
Yes 4 (802.11 b,g,n) |
Yes 802.11 b,g |
| Contacts | ||||
| Picture ID | Yes | Yes | n/a | n/a |
| Ringer ID | Yes | Yes | n/a | n/a |
| Voice Dialing | - | - | n/a | n/a |
| Customization | ||||
| Custom Graphics | Yes | Yes | n/a | n/a |
| Custom Ringtones | Yes | Yes | n/a | n/a |
| Real-Music Ringers | - | Yes | n/a | n/a |
| Data & Network | ||||
| Data Tethering | - | - | n/a | n/a |
| WAP / Web Browser | Yes | Yes | n/a | n/a |
| Input | ||||
| Predictive Text Entry | - | Yes | n/a | n/a |
| Side Keys | Yes | - | Yes | Yes |
| Stylus | Yes | - | - | - |
| Text Keyboard, Hardware | - | - | Yes | Yes |
| Touch Screen | Yes | - | Yes | Yes |
| Memory | ||||
| Memory Card Slot | Yes | - | Yes | Yes |
| Messaging | ||||
| Email Client | Yes | - | n/a | n/a |
| Instant Messaging | Yes | - | n/a | n/a |
| MMS | Yes | Yes | n/a | n/a |
| Text Messaging Templates | Yes | Yes | n/a | n/a |
| Music | ||||
| Headphone Jack (3.5mm) | Yes | - | Yes | - |
| Music Player | Yes | - | n/a | n/a |
| Productivity | ||||
| Alarm | Yes | Yes | n/a | n/a |
| Calculator | Yes | Yes | n/a | n/a |
| Calendar | Yes | Yes | n/a | n/a |
| To-Do List | - | Yes | n/a | n/a |
| Voice Memo | Yes | Yes | n/a | n/a |
| Software | ||||
| BREW | Yes | - | n/a | n/a |
| Games | Yes | - | n/a | n/a |
| Voice | ||||
| Speaker Phone | Yes | Yes | Yes | Yes |
| Huawei M750 | Samsung SGH-A157 | Samsung DoubleTime | HTC G1 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Huawei M750 | Samsung SGH-A157 | Samsung DoubleTime | HTC G1 |
