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| Phone | ZTE Z431 / Altair | LG F9200 | Samsung Galaxy A21 | Nokia 6255i / 6256i | LG VX-8500 Chocolate |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
2.4" diag. 4 : 3 |
? |
6.5" diag. 20 : 9 |
? | ? |
| Display Resolution & Type |
320 x 240 pixels (~167 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (STN) |
720 x 1600 pixels (~270 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz | ? | ? |
| Battery | 1,000 mAh | 950 mAh | 4,000 mAh | 1,070 mAh | 800 mAh |
| Processor | ? | ? | 2 GHz MediaTek Helio P35 (MT6765) | ? | ? |
| RAM | ? | ? | 3 GB | ? | ? |
| Storage | ? raw hardware | ? raw hardware | 32 GB | ? raw hardware | ? raw hardware |
| Main Camera | 2 megapixel | Yes | 16 megapixel | Yes | 1 megapixel |
| Wide Camera | - | - | 8 megapixel | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | QVGA (320 x 240) | - | 1080p HD | ? | QCIF (176 x 144) |
| Front Camera | - | - | 13 megapixel | - | - |
| Weight |
3.52 oz (100g) |
4.74 oz (134g) |
6.81 oz (193g) |
4.23 oz (120g) |
3.53 oz (100g) |
| Dimensions |
4.49" x 2.39" x 0.41" (114 x 61 x 10.4 mm) |
4.34" x 1.97" x 0.97" (110 x 50 x 24.6 mm) |
6.61" x 3.02" x 0.32" (168 x 77 x 8.1 mm) |
3.36" x 1.87" x 0.97" (85 x 47 x 24.6 mm) |
3.8" x 1.88" x 0.69" (97 x 48 x 17.5 mm) |
| Form Factor | Slab | Slide | Slab | Clamshell | Slide |
| Platform / OS | (proprietary) | (proprietary) | Android | (proprietary) | (proprietary) |
| Network Bands |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
GSM: 850, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 20, 25, 26, 28, 38, 39, 40, 41, 66, 71 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1900 |
| Data Technology | ? | GPRS | LTE (Cat 6) | 1xRTT | EVDO r0 |
| Features | |||||
| Fingerprint Reader | - | - |
Yes stand-alone |
- | - |
| Flashlight | - | - | Yes | - | - |
| GPS / Location | Yes | - | n/a | Yes | Yes |
| Accessibility | |||||
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
- |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M4 (very compatible) |
Yes M3 (mostly compatible) |
| Multiple Languages | Yes | Yes | n/a | Yes | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | - | - | - | Yes | - |
| Ringer Profiles | Yes | - | - | Yes | - |
| Connectivity | |||||
| Bluetooth | Yes | - | Yes | Yes | Yes |
| Infrared (IR) | - | - | - | Yes | - |
| NFC | - | - | Yes | - | - |
| USB |
Yes Micro-USB |
- |
Yes USB Type C |
Yes | - |
| Wi-Fi | - | - |
Yes 5 (802.11 a,ac,b,g,n) |
- | - |
| Contacts | |||||
| Picture ID | Yes | Yes | n/a | Yes | Yes |
| Ringer ID | Yes | - | n/a | Yes | Yes |
| Voice Dialing | - | Yes | n/a | Yes | Yes |
| Customization | |||||
| Custom Graphics | Yes | Yes | n/a | Yes | Yes |
| Custom Ringtones | Yes | Yes | n/a | Yes | Yes |
| Real-Music Ringers | Yes | Yes | n/a | Yes | Yes |
| Data & Network | |||||
| Data Tethering | Yes | - | n/a | Yes | Yes |
| External Antenna Jack | - | - | n/a | - | Yes |
| WAP / Web Browser | Yes | Yes | n/a | Yes | Yes |
| Input | |||||
| Predictive Text Entry | Yes | Yes | n/a | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | Yes | - | - | - |
| Touch Screen | - | - |
Yes Capacitive |
- | - |
| Memory | |||||
| Memory Card Slot | Yes | - | Yes | Yes | Yes |
| Messaging | |||||
| Email Client | Yes | Yes | n/a | Yes | - |
| EMS / Picture Messaging | - | - | n/a | Yes * | - |
| Instant Messaging | - | Yes | n/a | - | - |
| MMS | Yes | Yes | n/a | Yes | Yes |
| Text Messaging Templates | Yes | - | n/a | Yes | Yes |
| Music | |||||
| FM Radio | - | - | - | Yes | - |
| Headphone Jack (3.5mm) | Yes | - | Yes | - | - |
| Music Player | Yes | - | n/a | Yes * | Yes |
| Power | |||||
| Fast Charging | - | - | Yes | - | - |
| Productivity | |||||
| Alarm | Yes | Yes | n/a | Yes | Yes |
| Calculator | Yes | Yes | n/a | Yes | Yes |
| Calendar | Yes | Yes | n/a | Yes | Yes |
| To-Do List | - | - | n/a | Yes | - |
| Voice Memo | Yes | Yes | n/a | Yes | Yes |
| Software | |||||
| BREW | Yes | - | n/a | Yes * | Yes |
| Games | Yes | Yes | n/a | Yes | Yes |
| Java (J2ME) | - | Yes | n/a | Yes * | - |
| Voice | |||||
| HD Voice | - | - | Yes | - | - |
| Headset Jack (2.5 mm) | - | Yes | n/a | Yes | - |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes * |
| * Some versions only | |||||
| ZTE Z431 / Altair | LG F9200 | Samsung Galaxy A21 | Nokia 6255i / 6256i | LG VX-8500 Chocolate | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Z431 / Altair | LG F9200 | Samsung Galaxy A21 | Nokia 6255i / 6256i | LG VX-8500 Chocolate |
