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| Phone | ZTE Solar | BlackBerry 7750 | Sony Ericsson Z550a | Coolpad Defiant | HTC Bolt |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
4.5" diag. 16 : 9 |
? |
1.9" diag. 4 : 3 |
5" diag. 16 : 9 |
5.5" diag. 16 : 9 |
| Display Resolution & Type |
480 x 854 pixels (~218 ppi) LCD (TFT/TFD) |
240 x 240 pixels LCD (Color) |
176 x 220 pixels (~148 ppi) LCD (TFT/TFD) |
480 x 854 pixels (~196 ppi) LCD (TFT/TFD) |
1440 x 2560 pixels (~534 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | ? | ? | 60 Hz | 60 Hz |
| Battery | 2,070 mAh | ? | ? | 2,450 mAh | 3,200 mAh |
| Processor | 1.2 GHz Qualcomm Snapdragon 200 MSM8625 | ? | ? | 1.4 GHz Qualcomm Snapdragon 425 (MSM8917) | 2 GHz Qualcomm Snapdragon 810 (MSM8994) |
| RAM | 768 MB | ? | ? | 1 GB | 3 GB |
| Storage | 4 GB | ? raw hardware | ? raw hardware | 8 GB | 32 GB |
| Main Camera | 5 megapixel | - | 1 megapixel | 5 megapixel | 16 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | WVGA / 480p | - | ? | 720p HD | 4K UHD |
| Front Camera | - | - | - | 2 megapixel | 8 megapixel |
| Weight |
5.54 oz (157g) |
5.01 oz (142g) |
3.26 oz (92g) |
6.5 oz (184g) |
6.14 oz (174g) |
| Dimensions |
5.24" x 2.6" x 0.39" (133 x 66 x 9.9 mm) |
4.76" x 3.03" x 0.71" (121 x 77 x 18 mm) |
3.43" x 1.77" x 0.79" (87 x 45 x 20.1 mm) |
5.69" x 2.81" x 0.4" (145 x 71 x 10.2 mm) |
6.05" x 3.04" x 0.32" (154 x 77 x 8.1 mm) |
| Form Factor | Slab | Slab | Clamshell | Slab | Slab |
| Platform / OS | Android | BlackBerry OS | (proprietary) | Android | Android |
| Network Bands |
WCDMA: 2, 5 GSM: 850, 1900 |
CDMA: 850, 1900 |
GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4, 5, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 3, 4, 5, 7, 12, 25, 26, 41 WCDMA: 1, 2, 4, 5 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
| Data Technology | HSPA 7.2 | 1xRTT | GPRS | LTE (Cat 4) | LTE (Cat 9) |
| Features | |||||
| Fingerprint Reader | - | - | - | - |
Yes stand-alone |
| Flashlight | - | - | - | Yes | Yes |
| GPS / Location | n/a | n/a | - | n/a | n/a |
| Water-Resistant | - | - | - | - |
Yes IPX7 (snorkeling) |
| Accessibility | |||||
| Adjustable Text Size | n/a | n/a | - | n/a | n/a |
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
- | - |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
| Multiple Languages | n/a | n/a | Yes | n/a | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | - | - | Yes | - | - |
| Ringer Profiles | - | Yes | Yes | - | - |
| Connectivity | |||||
| Bluetooth | Yes | - | Yes | Yes | Yes |
| NFC | - | - | - | - | Yes |
| USB |
Yes Micro-USB |
Yes | Yes |
Yes Micro-USB |
Yes USB Type C |
| Wi-Fi |
Yes 4 (802.11 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 | Yes | n/a | n/a |
| Ringer ID | n/a | n/a | Yes | n/a | n/a |
| Voice Dialing | n/a | n/a | Yes | n/a | n/a |
| Customization | |||||
| Custom Graphics | n/a | n/a | Yes | n/a | n/a |
| Custom Ringtones | n/a | n/a | Yes | n/a | n/a |
| Real-Music Ringers | n/a | n/a | Yes | n/a | n/a |
| Data & Network | |||||
| Data Tethering | n/a | n/a | Yes | n/a | n/a |
| WAP / Web Browser | n/a | n/a | Yes | n/a | n/a |
| Input | |||||
| Predictive Text Entry | n/a | n/a | Yes | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - | - | - |
| Touch Screen |
Yes Capacitive |
- | - |
Yes Capacitive |
Yes Capacitive |
| Memory | |||||
| Memory Card Slot | Yes | - | Yes | Yes | Yes |
| Messaging | |||||
| Email Client | n/a | n/a | Yes | n/a | n/a |
| Instant Messaging | n/a | n/a | - | n/a | n/a |
| MMS | n/a | n/a | Yes | n/a | n/a |
| Text Messaging Templates | n/a | n/a | Yes | n/a | n/a |
| Music | |||||
| FM Radio | - | - | Yes | - | - |
| Headphone Jack (3.5mm) | Yes | - | - | Yes | - |
| Music Player | n/a | n/a | Yes | n/a | n/a |
| Photo & Video | |||||
| DLNA | - | - | - | - | Yes |
| Miracast | - | - | - | - | Yes |
| Power | |||||
| Fast Charging | - | - | - | - | Yes |
| Productivity | |||||
| Alarm | n/a | n/a | Yes | n/a | n/a |
| Calculator | n/a | n/a | Yes | n/a | n/a |
| Calendar | n/a | n/a | Yes | n/a | n/a |
| To-Do List | n/a | n/a | Yes | n/a | n/a |
| Voice Memo | n/a | n/a | Yes | n/a | n/a |
| Software | |||||
| Games | n/a | n/a | Yes | n/a | n/a |
| Java (J2ME) | n/a | n/a | Yes | n/a | n/a |
| Voice | |||||
| HD Voice | - | - | - | - | Yes |
| Headset Jack (2.5 mm) | n/a | n/a | - | n/a | n/a |
| Push-To-Talk | - | - | Yes * | - | - |
| Speaker Phone | Yes | - | Yes | Yes | Yes |
| * Some versions only | |||||
| ZTE Solar | BlackBerry 7750 | Sony Ericsson Z550a | Coolpad Defiant | HTC Bolt | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Solar | BlackBerry 7750 | Sony Ericsson Z550a | Coolpad Defiant | HTC Bolt |
