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| Phone | ZTE Z431 / Altair | Samsung BlackJack SGH-i607 | Samsung Galaxy S21 | Kyocera DuraXTP | LG VX-8500 Chocolate |
| Current U.S. Carriers | (none) | (none) | Verizon | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
2.4" diag. 4 : 3 |
? |
6.2" diag. 20 : 9 |
2.4" diag. 4 : 3 |
? |
| Display Resolution & Type |
320 x 240 pixels (~167 ppi) LCD (TFT/TFD) |
320 x 240 pixels LCD (TFT/TFD) |
1080 x 2400 pixels (~424 ppi) AMOLED |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
| Display Refresh | ? | ? | 120 Hz | ? | ? |
| Battery | 1,000 mAh | 1,200 mAh | 4,000 mAh | 1,500 mAh | 800 mAh |
| Processor | ? | ? | 2.8 GHz Qualcomm Snapdragon 888 | 480 MHz Qualcomm QSC6185 | ? |
| RAM | ? | ? | 8 GB | 256 MB | ? |
| Storage | ? raw hardware | ? raw hardware | 128 GB * | 512 MB | ? raw hardware |
| Main Camera | 2 megapixel | 1 megapixel | 12 megapixel | 5 megapixel | 1 megapixel |
| Wide Camera | - | - | 12 megapixel | - | - |
| Tele Camera | - | - | 64 megapixel | - | - |
| Video Capture | QVGA (320 x 240) | QVGA (320 x 240) | 8K | QVGA (320 x 240) | QCIF (176 x 144) |
| Front Camera | - | - | 10 megapixel | - | - |
| Weight |
3.52 oz (100g) |
3.74 oz (106g) |
6.03 oz (171g) |
5.75 oz (163g) |
3.53 oz (100g) |
| Dimensions |
4.49" x 2.39" x 0.41" (114 x 61 x 10.4 mm) |
4.45" x 2.32" x 0.46" (113 x 59 x 11.7 mm) |
5.97" x 2.8" x 0.31" (152 x 71 x 7.9 mm) |
4.13" x 2.15" x 0.99" (105 x 55 x 25.1 mm) |
3.8" x 1.88" x 0.69" (97 x 48 x 17.5 mm) |
| Form Factor | Slab | Slab | Slab | Clamshell | Slide |
| Platform / OS | (proprietary) | Windows Mobile Standard | Android | (proprietary) | (proprietary) |
| Network Bands |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
5G: 2, 5, 12, 25, 30, 41, 66, 71, 77-C, 260, 261 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 48, 66, 71 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
| Data Technology | ? | HSDPA 1.8 | NR (5G) | EVDO rA | EVDO r0 |
| Features | |||||
| Barometer | - | - | Yes | - | - |
| Fingerprint Reader | - | - |
Yes in-display (ultrasonic) |
- | - |
| Flashlight | - | - | Yes | Yes | - |
| GPS / Location | Yes | n/a | n/a | Yes | Yes |
| Ruggedized | - | - | - | Yes | - |
| Water-Resistant | - | - |
Yes IPX8 (SCUBA) |
Yes IPX8 (SCUBA) |
- |
| Accessibility | |||||
| Adjustable Text Size | - | n/a | n/a | Yes | - |
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
- |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
Yes M3 (mostly compatible) |
| Multiple Languages | Yes | n/a | 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 | Yes |
| NFC | - | - | Yes | - | - |
| USB |
Yes Micro-USB |
Yes |
Yes USB Type C |
Yes Micro-USB |
- |
| Wi-Fi | - | - |
Yes 6 (802.11 a,ac,ax,b,g,n) |
- | - |
| Contacts | |||||
| Picture ID | Yes | n/a | n/a | Yes | Yes |
| Ringer ID | Yes | n/a | n/a | Yes | Yes |
| Voice Dialing | - | n/a | n/a | Yes | Yes |
| Customization | |||||
| Custom Graphics | Yes | n/a | n/a | Yes | Yes |
| Custom Ringtones | Yes | n/a | n/a | Yes | Yes |
| Real-Music Ringers | Yes | n/a | n/a | Yes | Yes |
| Data & Network | |||||
| Data Tethering | Yes | n/a | n/a | - | Yes |
| External Antenna Jack | - | n/a | n/a | - | Yes |
| WAP / Web Browser | Yes | n/a | n/a | Yes | Yes |
| Input | |||||
| Predictive Text Entry | Yes | n/a | 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 | n/a | n/a | Yes | - |
| Instant Messaging | - | n/a | n/a | - | - |
| MMS | Yes | n/a | n/a | Yes | Yes |
| Text Messaging Templates | Yes | n/a | n/a | Yes | Yes |
| Music | |||||
| Headphone Jack (3.5mm) | Yes | - | - | Yes | - |
| Music Player | Yes | n/a | n/a | - | Yes |
| Stereo Speakers | - | - | Yes | - | - |
| Photo & Video | |||||
| TV Output | - | - | Yes | - | - |
| Power | |||||
| Fast Charging | - | - | Yes | - | - |
| Wireless Charging | - | - | Yes | - | - |
| Productivity | |||||
| Alarm | Yes | n/a | n/a | Yes | Yes |
| Calculator | Yes | n/a | n/a | Yes | Yes |
| Calendar | Yes | n/a | n/a | Yes | Yes |
| To-Do List | - | n/a | n/a | Yes | - |
| Voice Memo | Yes | n/a | n/a | Yes | Yes |
| Software | |||||
| BREW | Yes | n/a | n/a | - | Yes |
| Games | Yes | n/a | n/a | Yes | Yes |
| Java (J2ME) | - | n/a | n/a | - | - |
| Voice | |||||
| HD Voice | - | - | Yes | - | - |
| Push-To-Talk | - | - | - | Yes | - |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes * |
| * Some versions only | |||||
| ZTE Z431 / Altair | Samsung BlackJack SGH-i607 | Samsung Galaxy S21 | Kyocera DuraXTP | LG VX-8500 Chocolate | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Z431 / Altair | Samsung BlackJack SGH-i607 | Samsung Galaxy S21 | Kyocera DuraXTP | LG VX-8500 Chocolate |
