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| Phone | ZTE Z331 | Samsung SCH-A870 / Siren | ZTE Blade Max 2s | Motorola RAZR2 V9m | Google Pixel 3a XL |
| 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" diag. 18 : 9 |
2.2" diag. 4 : 3 |
6" diag. 18 : 9 |
| Display Resolution & Type |
176 x 220 pixels (~117 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (TFT/TFD) |
1080 x 2160 pixels (~402 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~182 ppi) LCD (TFT/TFD) |
1080 x 2160 pixels (~402 ppi) AMOLED |
| Display Refresh | ? | ? | 60 Hz | ? | 60 Hz |
| Battery | 950 mAh | 1,000 mAh | 4,000 mAh | 730 mAh | 3,700 mAh |
| Processor | ? | ? | 1.4 GHz Qualcomm Snapdragon 435 (MSM8940) | ? | 2 GHz Qualcomm Snapdragon 670 |
| RAM | ? | ? | 2 GB | ? | 4 GB |
| Storage | ? raw hardware | ? raw hardware | 32 GB | ? raw hardware | 64 GB |
| Main Camera | 3 megapixel | Yes | 13 megapixel | 2 megapixel | 12 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | QCIF (176 x 144) | - | 1080p HD | ? | 4K UHD |
| Front Camera | - | - | 5 megapixel | - | 8 megapixel |
| Weight |
4 oz (113g) |
3.4 oz (96g) |
6.35 oz (180g) |
4.13 oz (117g) |
5.89 oz (167g) |
| Dimensions |
3.84" x 2.02" x 0.69" (98 x 51 x 17.5 mm) |
3.6" x 1.8" x 0.85" (91 x 46 x 21.6 mm) |
6.26" x 2.96" x 0.32" (159 x 75 x 8.1 mm) |
4.06" x 2.1" x 0.47" (103 x 53 x 11.9 mm) |
6.3" x 3" x 0.3" (160 x 76 x 7.6 mm) |
| Form Factor | Clamshell | Clamshell | Slab | Clamshell | Slab |
| Platform / OS | (proprietary) | (proprietary) | Android | (proprietary) | Android |
| Network Bands |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
4G LTE: 2, 3, 4, 5, 7, 12, 13, 25, 26, 41 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 20, 25, 26, 28, 29, 30, 38, 40, 41, 66, 71 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
| Data Technology | HSDPA 3.6 | 1xRTT | LTE (Cat 6) | EVDO r0 | LTE (Cat 11) |
| Features | |||||
| Barometer | - | - | - | - | Yes |
| Fingerprint Reader | - | - |
Yes stand-alone |
- |
Yes stand-alone |
| Flashlight | - | - | Yes | - | Yes |
| GPS / Location | Yes | Yes | n/a | Yes | n/a |
| Accessibility | |||||
| Hearing Aid Compatible | Yes | Yes | Yes | Yes | Yes |
| Multiple Languages | Yes | Yes | n/a | Yes | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | Yes | Yes | - | Yes | - |
| Ringer Profiles | Yes | - | - | Yes * | - |
| Connectivity | |||||
| Bluetooth | Yes | Yes | Yes | Yes | Yes |
| NFC | - | - | - | - | Yes |
| USB |
Yes Micro-USB |
- |
Yes USB Type C |
Yes Micro-USB |
Yes USB Type C |
| Wi-Fi | - | - |
Yes 5 (802.11 a,ac,b,g,n) |
- |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | |||||
| Picture ID | Yes | Yes | n/a | Yes | n/a |
| Ringer ID | Yes | - | n/a | Yes | n/a |
| Voice Dialing | - | Yes | n/a | Yes | n/a |
| Customization | |||||
| Custom Graphics | Yes | Yes | n/a | Yes | n/a |
| Custom Ringtones | Yes | Yes | n/a | Yes | n/a |
| Real-Music Ringers | Yes | - | n/a | Yes | n/a |
| Data & Network | |||||
| Data Tethering | Yes | - | n/a | Yes * | n/a |
| WAP / Web Browser | Yes | Yes | n/a | Yes | n/a |
| Input | |||||
| Predictive Text Entry | Yes | Yes | n/a | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Touch Screen | - | - | Yes | - | Yes |
| Memory | |||||
| Memory Card Slot | Yes | - | Yes | Yes | - |
| Messaging | |||||
| Email Client | Yes | - | n/a | Yes * | n/a |
| EMS / Picture Messaging | - | Yes | n/a | Yes | n/a |
| Instant Messaging | Yes | - | n/a | - | n/a |
| MMS | Yes | Yes | n/a | Yes * | n/a |
| Text Messaging Templates | Yes | - | n/a | Yes | n/a |
| Music | |||||
| Headphone Jack (3.5mm) | - | - | Yes | - | Yes |
| Music Player | Yes | - | n/a | Yes | n/a |
| Stereo Speakers | - | - | - | - | Yes |
| Power | |||||
| Fast Charging | - | - | Yes | - | Yes |
| Productivity | |||||
| Alarm | Yes | Yes | n/a | Yes | n/a |
| Calculator | Yes | Yes | n/a | Yes | n/a |
| Calendar | Yes | Yes | n/a | Yes | n/a |
| Voice Memo | Yes | - | n/a | Yes | n/a |
| Software | |||||
| BREW | - | Yes | n/a | Yes * | n/a |
| Games | Yes | Yes | n/a | Yes | n/a |
| Java (J2ME) | Yes | - | n/a | Yes * | n/a |
| Voice | |||||
| Call Screening | - | - | - | - | Yes |
| HD Voice | - | - | Yes | - | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| * Some versions only | |||||
| ZTE Z331 | Samsung SCH-A870 / Siren | ZTE Blade Max 2s | Motorola RAZR2 V9m | Google Pixel 3a XL | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Z331 | Samsung SCH-A870 / Siren | ZTE Blade Max 2s | Motorola RAZR2 V9m | Google Pixel 3a XL |
