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| Phone | ZTE Z221 | Kyocera DuraForce Pro 3 | Sony Xperia Pro | Ericsson R520 |
| Current U.S. Carriers | (none) | Verizon | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2" diag. 4 : 3 |
5.4" diag. 18 : 9 |
6.5" diag. 21 : 9 |
? |
| Display Resolution & Type |
240 x 320 pixels (~200 ppi) LCD (TFT/TFD) |
1080 x 2160 pixels (~449 ppi) AMOLED |
1644 x 3840 pixels (~643 ppi) AMOLED |
? |
| Display Refresh | ? | 60 Hz | 60 Hz | ? |
| Battery | 900 mAh | 4,270 mAh | 4,000 mAh | ? |
| Processor | ? | 2.4 GHz Snapdragon 7 Gen 1 | Qualcomm Snapdragon 865 | ? |
| RAM | ? | 6 GB | 12 GB | ? |
| Storage | 142 MB | 128 GB | 512 GB | ? raw hardware |
| Main Camera | Yes | 16 megapixel | 12 megapixel | - |
| Wide Camera | - | 16 megapixel | 12 megapixel | - |
| Tele Camera | - | - | 12 megapixel | - |
| Video Capture | QCIF (176 x 144) | 4K UHD | 4K UHD | - |
| Front Camera | - | 8 megapixel | 8 megapixel | - |
| Weight |
3.24 oz (92g) |
8.36 oz (237g) |
7.94 oz (225g) |
4.23 oz (120g) |
| Dimensions |
3.76" x 1.92" x 0.73" (96 x 49 x 18.5 mm) |
6.06" x 2.95" x 0.57" (154 x 75 x 14.5 mm) |
6.7" x 3" x 0.4" (170 x 76 x 10.2 mm) |
5.12" x 1.97" x 0.63" (130 x 50 x 16 mm) |
| Form Factor | Clamshell | Slab | Slab | Slab |
| Platform / OS | (proprietary) | Android | Android | (proprietary) |
| Network Bands |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
5G: 2, 5, 48, 66, 77-A, 77-C, 78, 260, 261 4G LTE: 1, 2, 3, 4, 5, 7, 12, 13, 46, 48, 66 WCDMA: 1, 2, 5, 8 |
5G: 2, 5, 66, 260, 261 4G LTE: 2, 4, 5, 7, 12, 13, 25, 26, 41, 48, 66 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
| Data Technology | HSDPA 3.6 | NR (5G) | NR (5G) | GPRS |
| Features | ||||
| Barometer | - | Yes | - | - |
| Fingerprint Reader | - |
Yes stand-alone |
Yes stand-alone |
- |
| Flashlight | - | Yes | Yes | - |
| GPS / Location | Yes | n/a | n/a | - |
| Ruggedized | - | Yes | - | - |
| Water-Resistant | - |
Yes IPX8 (SCUBA) |
Yes IPX8 (SCUBA) |
- |
| Accessibility | ||||
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
- |
| Multiple Languages | Yes | n/a | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | - |
| Alerts | ||||
| Extra Display | Yes | - | - | - |
| Ringer Profiles | Yes | - | - | Yes |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| Infrared (IR) | - | - | - | Yes |
| NFC | - | Yes | Yes | - |
| USB | Yes |
Yes USB Type C |
Yes USB Type C |
- |
| Wi-Fi | - |
Yes 6E (802.11 a,ac,ax,b,g,n) |
Yes 6 (802.11 a,ac,ax,b,g,n) |
- |
| Contacts | ||||
| Voice Dialing | - | n/a | n/a | Yes |
| Customization | ||||
| Custom Graphics | Yes | n/a | n/a | - |
| Custom Ringtones | Yes | n/a | n/a | Yes |
| Real-Music Ringers | Yes | n/a | n/a | - |
| Data & Network | ||||
| Data Tethering | - | n/a | n/a | Yes |
| Dual-SIM | - | Yes | Yes | - |
| WAP / Web Browser | Yes | n/a | n/a | Yes |
| Input | ||||
| Predictive Text Entry | Yes | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen | - |
Yes Capacitive |
Yes Capacitive |
- |
| Memory | ||||
| Memory Card Slot | - | Yes | Yes | - |
| Messaging | ||||
| Email Client | Yes | n/a | n/a | - |
| Instant Messaging | Yes | n/a | n/a | - |
| MMS | Yes | n/a | n/a | - |
| Text Messaging Templates | Yes | n/a | n/a | Yes |
| Music | ||||
| Headphone Jack (3.5mm) | - | - | Yes | - |
| Stereo Speakers | - | Yes | Yes | - |
| Photo & Video | ||||
| Miracast | - | Yes | - | - |
| TV Output | - | - | Yes | - |
| Power | ||||
| Fast Charging | - | Yes | Yes | - |
| Wireless Charging | - | Yes | - | - |
| Productivity | ||||
| Alarm | Yes | n/a | n/a | Yes |
| Calculator | Yes | n/a | n/a | Yes |
| Calendar | Yes | n/a | n/a | Yes |
| Voice Memo | Yes | n/a | n/a | Yes |
| Software | ||||
| Games | Yes | n/a | n/a | Yes |
| Java (J2ME) | Yes | n/a | n/a | - |
| Voice | ||||
| HD Voice | - | Yes | Yes | - |
| Push-To-Talk | - | Yes | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| ZTE Z221 | Kyocera DuraForce Pro 3 | Sony Xperia Pro | Ericsson R520 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Z221 | Kyocera DuraForce Pro 3 | Sony Xperia Pro | Ericsson R520 |
