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| Phone | Siemens CF75 | Sony Xperia Pro | HTC G2 | ZTE Z221 | Asus ZenFone 4 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Not yet released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
6.5" diag. 21 : 9 |
3.7" diag. 5 : 3 |
2" diag. 4 : 3 |
5.5" diag. 16 : 9 |
| Display Resolution & Type |
128 x 160 pixels LCD (STN) |
1644 x 3840 pixels (~643 ppi) AMOLED |
480 x 800 pixels (~252 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~200 ppi) LCD (TFT/TFD) |
1080 x 1920 pixels (~401 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | 60 Hz | ? | 60 Hz |
| Battery | 600 mAh | 4,000 mAh | 1,300 mAh | 900 mAh | 3,300 mAh |
| Processor | ? | Qualcomm Snapdragon 865 | 800 MHz Qualcomm S2 MSM7230 | ? | 2.2 GHz Qualcomm Snapdragon 630 |
| RAM | ? | 12 GB | ? | ? | 4 GB |
| Storage | ? raw hardware | 512 GB | ? raw hardware | 142 MB | 64 GB |
| Main Camera | Yes | 12 megapixel | 5 megapixel | Yes | 12 megapixel |
| Wide Camera | - | 12 megapixel | - | - | Yes |
| Tele Camera | - | 12 megapixel | - | - | - |
| Video Capture | - | 4K UHD | 720p HD | QCIF (176 x 144) | 4K UHD |
| Front Camera | - | 8 megapixel | - | - | 8 megapixel |
| Weight |
3.17 oz (90g) |
7.94 oz (225g) |
6.5 oz (184g) |
3.24 oz (92g) |
5.47 oz (155g) |
| Dimensions |
3.43" x 1.73" x 1.26" (87 x 44 x 32 mm) |
6.7" x 3" x 0.4" (170 x 76 x 10.2 mm) |
4.68" x 2.37" x 0.55" (119 x 60 x 14 mm) |
3.76" x 1.92" x 0.73" (96 x 49 x 18.5 mm) |
6.12" x 2.96" x 0.3" (155 x 75 x 7.7 mm) |
| Form Factor | Clamshell | Slab | Slab | Clamshell | Slab |
| Platform / OS | (proprietary) | Android | Android | (proprietary) | Android |
| Network Bands |
GSM: 900, 1800, 1900 |
5G: 2, 5, 66, 260, 261 4G LTE: 2, 4, 5, 7, 12, 13, 25, 26, 41, 48, 66 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
WCDMA: 1, 4 GSM: 850, 900, 1800, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 28 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
| Data Technology | EDGE | NR (5G) | HSPA 14.4 | HSDPA 3.6 | LTE (Cat 12) |
| Features | |||||
| Fingerprint Reader | - |
Yes stand-alone |
- | - |
Yes stand-alone |
| Flashlight | - | Yes | - | - | Yes |
| GPS / Location | - | n/a | n/a | Yes | n/a |
| Water-Resistant | - |
Yes IPX8 (SCUBA) |
- | - | - |
| Accessibility | |||||
| Hearing Aid Compatible | - | Yes | Yes | Yes | Yes |
| Multiple Languages | Yes | n/a | n/a | Yes | n/a |
| TTY/TDD (Digital) | - | Yes | - | Yes | - |
| Alerts | |||||
| Extra Display | Yes | - | - | Yes | - |
| Ringer Profiles | - | - | - | Yes | - |
| Connectivity | |||||
| Bluetooth | - | Yes | Yes | Yes | Yes |
| Infrared (IR) | Yes | - | - | - | - |
| Mobile Hotspot | - | n/a | n/a | - | n/a |
| NFC | - | Yes | - | - | Yes |
| USB | Yes |
Yes USB Type C |
Yes | Yes |
Yes USB Type C |
| Wi-Fi | - |
Yes 6 (802.11 a,ac,ax,b,g,n) |
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 |
| Ringer ID | - | n/a | n/a | - | n/a |
| Voice Dialing | - | n/a | n/a | - | n/a |
| Customization | |||||
| Custom Graphics | Yes | n/a | n/a | Yes | n/a |
| Custom Ringtones | Yes | n/a | n/a | Yes | n/a |
| Real-Music Ringers | - | n/a | n/a | Yes | n/a |
| Data & Network | |||||
| Data Tethering | Yes | n/a | n/a | - | n/a |
| Dual-SIM | - | Yes | - | - | Yes |
| WAP / Web Browser | Yes | n/a | n/a | Yes | n/a |
| Input | |||||
| Predictive Text Entry | Yes | n/a | n/a | Yes | 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 | Yes | n/a | n/a | Yes | n/a |
| EMS / Picture Messaging | Yes | n/a | n/a | - | n/a |
| Instant Messaging | - | n/a | n/a | Yes | n/a |
| MMS | Yes | n/a | n/a | Yes | n/a |
| Text Messaging Templates | Yes | n/a | n/a | Yes | n/a |
| Music | |||||
| Headphone Jack (3.5mm) | - | Yes | Yes | - | Yes |
| Music Player | - | n/a | n/a | - | n/a |
| Stereo Speakers | - | Yes | - | - | - |
| Photo & Video | |||||
| Miracast | - | - | - | - | Yes |
| TV Output | - | Yes | - | - | - |
| Power | |||||
| Fast Charging | - | Yes | - | - | Yes |
| Productivity | |||||
| Alarm | Yes | n/a | n/a | Yes | n/a |
| Calculator | Yes | n/a | n/a | Yes | n/a |
| Calendar | Yes | n/a | n/a | Yes | n/a |
| To-Do List | Yes | n/a | n/a | - | n/a |
| Voice Memo | Yes | n/a | n/a | Yes | n/a |
| Software | |||||
| Games | Yes | n/a | n/a | Yes | n/a |
| Java (J2ME) | Yes | n/a | n/a | Yes | n/a |
| Voice | |||||
| HD Voice | - | Yes | - | - | - |
| Push-To-Talk | Yes | - | - | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| Siemens CF75 | Sony Xperia Pro | HTC G2 | ZTE Z221 | Asus ZenFone 4 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Siemens CF75 | Sony Xperia Pro | HTC G2 | ZTE Z221 | Asus ZenFone 4 |
