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| Phone | Sony Ericsson K850 | Alcatel PulseMix / A50 / A5 | ZTE Agent | ZTE Blade X Max | LG VX-8550 Chocolate |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
2.2" diag. 4 : 3 |
5.2" diag. 16 : 9 |
2.4" diag. 4 : 3 |
6" diag. 16 : 9 |
? |
| Display Resolution & Type |
240 x 320 pixels (~182 ppi) LCD (TFT/TFD) |
720 x 1280 pixels (~282 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
1080 x 1920 pixels (~367 ppi) LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? | 60 Hz | ? |
| Battery | ? | 2,800 mAh | 900 mAh | 3,400 mAh | 800 mAh |
| Processor | ? | 1.5 GHz MT6738 | ? | 1.4 GHz Qualcomm Snapdragon 435 (MSM8940) | ? |
| RAM | ? | 2 GB | ? | 2 GB | ? |
| Storage | ? raw hardware | 16 GB | ? raw hardware | 32 GB | ? raw hardware |
| Main Camera | 5 megapixel | 8 megapixel | 1 megapixel | 13 megapixel | 1 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | ? | 1080p HD | ? | 1080p HD | QCIF (176 x 144) |
| Front Camera | - | 2 megapixel | - | 5 megapixel | - |
| Weight |
4.2 oz (119g) |
5.14 oz (146g) |
3.53 oz (100g) |
6.93 oz (196g) |
3.24 oz (92g) |
| Dimensions |
4" x 1.9" x 0.7" (102 x 48 x 17.8 mm) |
5.75" x 2.84" x 0.31" (146 x 72 x 7.9 mm) |
4.3" x 1.9" x 0.6" (109 x 48 x 15.2 mm) |
6.5" x 3.27" x 0.37" (165 x 83 x 9.4 mm) |
3.85" x 1.87" x 0.67" (98 x 47 x 17 mm) |
| Form Factor | Slab | Slab | Slab | Slab | Slide |
| Platform / OS | (proprietary) | Android | (proprietary) | Android | (proprietary) |
| Network Bands |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
4G LTE: 1, 2, 4, 5, 7, 12 WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1700, 1900 |
4G LTE: 2, 4, 5, 12 WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
| Data Technology | HSDPA 3.6 | LTE (Cat 4) | 1xRTT | LTE (Cat 4) | EVDO r0 |
| Features | |||||
| Fingerprint Reader | - | - | - |
Yes stand-alone |
- |
| Flashlight | - | Yes | - | Yes | - |
| GPS / Location | - | n/a | Yes | n/a | Yes |
| Accessibility | |||||
| Hearing Aid Compatible | - |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M4 (very compatible) |
| Multiple Languages | Yes | n/a | Yes | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes | Yes |
| Alerts | |||||
| Ringer Profiles | Yes | - | - | - | - |
| Connectivity | |||||
| Bluetooth | Yes | Yes | Yes | Yes | Yes |
| USB | Yes |
Yes USB Type C |
Yes Micro-USB |
Yes USB Type C |
Yes |
| Wi-Fi | - |
Yes 4 (802.11 a,b,g,n) |
- |
Yes 4 (802.11 b,g,n) |
- |
| Contacts | |||||
| Picture ID | Yes | n/a | - | n/a | Yes |
| Ringer ID | Yes | n/a | Yes | n/a | Yes |
| Voice Dialing | Yes | n/a | - | n/a | Yes |
| Customization | |||||
| Custom Graphics | Yes | n/a | Yes | n/a | Yes |
| Custom Ringtones | Yes | n/a | Yes | n/a | Yes |
| Real-Music Ringers | Yes | n/a | Yes | n/a | Yes |
| Data & Network | |||||
| Data Tethering | Yes | n/a | - | n/a | Yes |
| WAP / Web Browser | Yes | n/a | Yes | n/a | Yes |
| Input | |||||
| Predictive Text Entry | Yes | n/a | Yes | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Touch Screen | - |
Yes Capacitive |
- |
Yes Capacitive |
- |
| Memory | |||||
| Memory Card Slot | Yes | Yes | Yes | Yes | Yes |
| Messaging | |||||
| Email Client | Yes | n/a | Yes | n/a | - |
| Instant Messaging | - | n/a | Yes | n/a | - |
| MMS | Yes | n/a | Yes | n/a | Yes |
| Text Messaging Templates | Yes | n/a | Yes | n/a | Yes |
| Music | |||||
| FM Radio | Yes | Yes | - | - | - |
| Headphone Jack (3.5mm) | - | Yes | Yes | Yes | - |
| Music Player | Yes | n/a | Yes | n/a | Yes |
| Photo & Video | |||||
| Video Calling | Yes * | n/a | - | n/a | - |
| Power | |||||
| Fast Charging | - | - | - | Yes | - |
| Productivity | |||||
| Alarm | Yes | n/a | Yes | n/a | Yes |
| Calculator | Yes | n/a | Yes | n/a | Yes |
| Calendar | Yes | n/a | Yes | n/a | Yes |
| To-Do List | Yes | n/a | - | n/a | - |
| Voice Memo | Yes | n/a | Yes | n/a | Yes |
| Software | |||||
| BREW | - | n/a | Yes | n/a | Yes |
| Games | Yes | n/a | Yes | n/a | Yes |
| Java (J2ME) | Yes | n/a | - | n/a | - |
| Voice | |||||
| HD Voice | - | Yes | - | - | - |
| Headset Jack (2.5 mm) | - | n/a | - | n/a | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| * Some versions only | |||||
| Sony Ericsson K850 | Alcatel PulseMix / A50 / A5 | ZTE Agent | ZTE Blade X Max | LG VX-8550 Chocolate | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Sony Ericsson K850 | Alcatel PulseMix / A50 / A5 | ZTE Agent | ZTE Blade X Max | LG VX-8550 Chocolate |
