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| Phone | HTC G1 | Siemens SL55 | Siemens CF75 | ZTE Prestige 2 | ZTE Speed |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Not yet released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
3.2" diag. 5 : 3 |
? | ? |
5" diag. 16 : 9 |
4.5" diag. 16 : 9 |
| Display Resolution & Type |
320 x 480 pixels (~182 ppi) LCD (TFT/TFD) |
101 x 80 pixels LCD (STN) |
128 x 160 pixels LCD (STN) |
480 x 854 pixels (~196 ppi) LCD (TFT/TFD) |
540 x 960 pixels (~245 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | ? | ? | 60 Hz | 60 Hz |
| Battery | 1,150 mAh | 500 mAh | 600 mAh | 2,035 mAh | 2,000 mAh |
| Processor | 528 MHz Qualcomm MSM7201A | ? | ? | 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) | 1.2 GHz Qualcomm Snapdragon 410 MSM8916 |
| RAM | ? | ? | ? | 2 GB | 1 GB |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | 16 GB | 8 GB |
| Main Camera | 3 megapixel | - | Yes | 5 megapixel | 5 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | ? | - | - | 720p HD | 720p HD |
| Front Camera | - | - | - | 5 megapixel | 2 megapixel |
| Weight |
5.6 oz (159g) |
2.79 oz (79g) |
3.17 oz (90g) |
5.29 oz (150g) |
4.8 oz (136g) |
| Dimensions |
4.62" x 2.19" x 0.67" (117 x 56 x 17 mm) |
3.21" x 1.75" x 0.86" (82 x 44 x 21.8 mm) |
3.43" x 1.73" x 1.26" (87 x 44 x 32 mm) |
5.73" x 2.83" x 0.39" (146 x 72 x 9.9 mm) |
5.3" x 2.6" x 0.4" (135 x 66 x 10.2 mm) |
| Form Factor | Slide | Slide | Clamshell | Slab | Slab |
| Platform / OS | Android | (proprietary) | (proprietary) | Android | Android |
| Network Bands |
WCDMA: 1, 4 GSM: 850, 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
4G LTE: 2, 4, 5, 12, 25, 26, 41 WCDMA: 2, 4, 5 CDMA: 800, 850, 1900 GSM: 850, 1900 |
4G LTE: 25, 26, 41 CDMA: 800, 850, 1900 |
| Data Technology | HSPA 7.2 | GPRS | EDGE | LTE (Cat 4) | LTE (Cat 3) |
| Features | |||||
| Flashlight | - | - | - | Yes | - |
| GPS / Location | n/a | - | - | n/a | n/a |
| Accessibility | |||||
| Adjustable Text Size | n/a | - | - | n/a | n/a |
| Hearing Aid Compatible | - | - | - | Yes | Yes |
| Multiple Languages | n/a | Yes | Yes | n/a | n/a |
| TTY/TDD (Digital) | - | - | - | Yes | Yes |
| Alerts | |||||
| Extra Display | - | - | Yes | - | - |
| Ringer Profiles | - | Yes | - | - | - |
| Connectivity | |||||
| Bluetooth | Yes | - | - | Yes | Yes |
| Infrared (IR) | - | Yes | Yes | - | - |
| Mobile Hotspot | n/a | - | - | n/a | n/a |
| USB |
Yes Mini-USB |
- | Yes |
Yes Micro-USB |
Yes Micro-USB |
| Wi-Fi |
Yes 802.11 b,g |
- | - |
Yes 4 (802.11 b,g,n) |
Yes 4 (802.11 b,g,n) |
| Contacts | |||||
| Picture ID | n/a | Yes | - | n/a | n/a |
| Ringer ID | n/a | Yes | - | n/a | n/a |
| Voice Dialing | n/a | Yes | - | n/a | n/a |
| Customization | |||||
| Custom Graphics | n/a | Yes | Yes | n/a | n/a |
| Custom Ringtones | n/a | Yes | Yes | n/a | n/a |
| Real-Music Ringers | n/a | - | - | n/a | n/a |
| Data & Network | |||||
| Data Tethering | n/a | Yes | Yes | n/a | n/a |
| WAP / Web Browser | n/a | Yes | Yes | n/a | n/a |
| Input | |||||
| Predictive Text Entry | n/a | Yes | Yes | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | - | - | - | - |
| Touch Screen | Yes | - | - | Yes | Yes |
| Memory | |||||
| Memory Card Slot | Yes | - | - | Yes | Yes |
| Messaging | |||||
| Email Client | n/a | Yes | Yes | n/a | n/a |
| EMS / Picture Messaging | n/a | Yes | Yes | n/a | n/a |
| Instant Messaging | n/a | - | - | n/a | n/a |
| MMS | n/a | Yes | Yes | n/a | n/a |
| Text Messaging Templates | n/a | Yes | Yes | n/a | n/a |
| Music | |||||
| FM Radio | - | - | - | Yes | - |
| Headphone Jack (3.5mm) | - | - | - | Yes | Yes |
| Music Player | n/a | - | - | n/a | n/a |
| Productivity | |||||
| Alarm | n/a | Yes | Yes | n/a | n/a |
| Calculator | n/a | Yes | Yes | n/a | n/a |
| Calendar | n/a | Yes | Yes | n/a | n/a |
| To-Do List | n/a | Yes | Yes | n/a | n/a |
| Voice Memo | n/a | Yes | Yes | n/a | n/a |
| Software | |||||
| Games | n/a | Yes | Yes | n/a | n/a |
| Java (J2ME) | n/a | Yes | Yes | n/a | n/a |
| Voice | |||||
| HD Voice | - | - | - | Yes | Yes |
| Push-To-Talk | - | - | Yes | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| HTC G1 | Siemens SL55 | Siemens CF75 | ZTE Prestige 2 | ZTE Speed | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | HTC G1 | Siemens SL55 | Siemens CF75 | ZTE Prestige 2 | ZTE Speed |
