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| Phone | ZTE Z331 | Ericsson R520 | Samsung SPH-A250 | Audiovox CDM-8900 | LG K51 / Reflect |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Not yet released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
2.4" diag. 4 : 3 |
? | ? | ? |
6.5" diag. 19.5 : 9 |
| Display Resolution & Type |
176 x 220 pixels (~117 ppi) LCD (TFT/TFD) |
? | ? |
128 x 160 pixels LCD (TFT/TFD) |
720 x 1560 pixels (~264 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? | 60 Hz |
| Battery | 950 mAh | ? | ? | 1,000 mAh | 4,000 mAh |
| Processor | ? | ? | ? | ? | 2 GHz MediaTek Helio P22 (MT6762) |
| RAM | ? | ? | ? | ? | 3 GB |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware | 32 GB |
| Main Camera | 3 megapixel | - | - | Yes | 13 megapixel |
| Wide Camera | - | - | - | - | 5 megapixel |
| Tele Camera | - | - | - | - | - |
| Video Capture | QCIF (176 x 144) | - | - | - | 1080p HD |
| Front Camera | - | - | - | - | 13 megapixel |
| Weight |
4 oz (113g) |
4.23 oz (120g) |
2.82 oz (80g) |
3.28 oz (93g) |
7.21 oz (204g) |
| Dimensions |
3.84" x 2.02" x 0.69" (98 x 51 x 17.5 mm) |
5.12" x 1.97" x 0.63" (130 x 50 x 16 mm) |
2.76" x 1.91" x 0.83" (70 x 49 x 21.1 mm) |
3.41" x 1.77" x 0.75" (87 x 45 x 19.1 mm) |
6.57" x 3.07" x 0.33" (167 x 78 x 8.4 mm) |
| Form Factor | Clamshell | Slab | Clamshell | Clamshell | Slab |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | (proprietary) | Android |
| Network Bands |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
CDMA: 1900 |
CDMA: 850, 1900 AMPS: 850 |
4G LTE: 2, 4, 5, 12, 13, 25, 26, 41, 66, 71 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
| Data Technology | HSDPA 3.6 | GPRS | - | 1xRTT | LTE (Cat 6) |
| Features | |||||
| Fingerprint Reader | - | - | - | - |
Yes stand-alone |
| Flashlight | - | - | - | - | Yes |
| GPS / Location | Yes | - | - | Yes | n/a |
| Accessibility | |||||
| Hearing Aid Compatible | Yes | - | - | - | Yes |
| Multiple Languages | Yes | Yes | - | Yes | n/a |
| TTY/TDD (Digital) | Yes | - | - | - | Yes |
| Alerts | |||||
| Extra Display | Yes | - | - | Yes | - |
| Ringer Profiles | Yes | Yes | - | - | - |
| Connectivity | |||||
| Bluetooth |
Yes Classic Audio |
Yes HSP, Sync, OPP, DUN |
- | - |
Yes Classic Audio |
| Infrared (IR) | - | Yes | - | - | - |
| USB |
Yes Micro-USB |
- | - | Yes |
Yes USB Type C |
| Wi-Fi | - | - | - | - |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | |||||
| Picture ID | Yes | - | - | Yes | n/a |
| Ringer ID | Yes | - | - | Yes | n/a |
| Voice Dialing | - | Yes | Yes | Yes | n/a |
| Customization | |||||
| Custom Graphics | Yes | - | - | Yes | n/a |
| Custom Ringtones | Yes | Yes | - | Yes | n/a |
| Real-Music Ringers | Yes | - | - | - | n/a |
| Data & Network | |||||
| Data Tethering | Yes | Yes | Yes | Yes | n/a |
| WAP / Web Browser | Yes | Yes | Yes | Yes | n/a |
| Input | |||||
| Predictive Text Entry | Yes | Yes | Yes | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Touch Screen | - | - | - | - | Yes |
| Memory | |||||
| Memory Card Slot | Yes | - | - | - | Yes |
| Messaging | |||||
| Email Client | Yes | - | - | - | n/a |
| EMS / Picture Messaging | - | - | - | Yes | n/a |
| Instant Messaging | Yes | - | - | - | n/a |
| MMS | Yes | - | - | - | n/a |
| Text Messaging Templates | Yes | Yes | - | Yes | n/a |
| Music | |||||
| FM Radio | - | - | - | - | Yes |
| Headphone Jack (3.5mm) | - | - | - | - | Yes |
| Music Player | Yes | - | - | - | n/a |
| Stereo Speakers | - | - | - | - | Yes |
| Productivity | |||||
| Alarm | Yes | Yes | Yes | Yes | n/a |
| Calculator | Yes | Yes | Yes | Yes | n/a |
| Calendar | Yes | Yes | Yes | Yes | n/a |
| To-Do List | - | - | Yes | - | n/a |
| Voice Memo | Yes | Yes | - | Yes | n/a |
| Software | |||||
| BREW | - | - | - | Yes * | n/a |
| Games | Yes | Yes | - | Yes | n/a |
| Java (J2ME) | Yes | - | - | Yes * | n/a |
| Voice | |||||
| Headset Jack (2.5 mm) | - | - | Yes | Yes | n/a |
| Speaker Phone | Yes | Yes | - | Yes | Yes |
| * Some versions only | |||||
| ZTE Z331 | Ericsson R520 | Samsung SPH-A250 | Audiovox CDM-8900 | LG K51 / Reflect | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Z331 | Ericsson R520 | Samsung SPH-A250 | Audiovox CDM-8900 | LG K51 / Reflect |
