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|  |  |  | |
| Phone | ZTE Z221 | ZTE Tempo | BlackBerry Z10 (CDMA) | 
| Current U.S. Carriers | (none) | (none) | (none) | 
| Global Availability | Released | Released | Released | 
| Specifications | |||
|---|---|---|---|
| Display Size | 2" diag. 4 : 3 | 4.5" diag. 16 : 9 | 4.2" diag. 5 : 3 | 
| Display Resolution & Type | 240 x 320 pixels (~200 ppi) LCD (TFT/TFD) | 480 x 854 pixels (~218 ppi) LCD (TFT/TFD) | 768 x 1280 pixels (~355 ppi) LCD (TFT/TFD) | 
| Display Refresh | ? | 60 Hz | ? | 
| Battery | 900 mAh | 2,200 mAh | 1,800 mAh | 
| Processor | ? | 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) | 1.5 GHz Qualcomm Snapdragon S4 | 
| RAM | ? | 1 GB | 2 GB | 
| Storage | 142 MB | 8 GB | 16 GB | 
| Main Camera | Yes | 5 megapixel | 8 megapixel | 
| Wide Camera | - | - | - | 
| Tele Camera | - | - | - | 
| Video Capture | QCIF (176 x 144) | 720p HD | 1080p HD | 
| Front Camera | - | 2 megapixel | 2 megapixel | 
| Weight | 3.24 oz (92g) | 4.8 oz (136g) | 4.78 oz (135g) | 
| Dimensions | 3.76" x 1.92" x 0.73" (96 x 49 x 18.5 mm) | 5.35" x 2.67" x 0.4" (136 x 68 x 10.2 mm) | 5.12" x 2.58" x 0.35" (130 x 66 x 9 mm) | 
| Form Factor | Clamshell | Slab | Slab | 
| Platform / OS | (proprietary) | Android | BlackBerry 10 | 
| Network Bands | WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 | 4G LTE: 2, 4, 5, 12, 25, 26, 41 WCDMA: 2, 4, 5 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 | 4G LTE: 13 WCDMA: 1, 8 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 | 
| Data Technology | HSDPA 3.6 | LTE (Cat 4) | LTE (Cat 3) | 
| Features | |||
| Flashlight | - | Yes | - | 
| GPS / Location | Yes | n/a | n/a | 
| Accessibility | |||
| Adjustable Text Size | - | n/a | n/a | 
| Hearing Aid Compatible | Yes | Yes | - | 
| Multiple Languages | Yes | n/a | n/a | 
| TTY/TDD (Digital) | Yes | Yes | Yes | 
| Alerts | |||
| Extra Display | Yes | - | - | 
| Ringer Profiles | Yes | - | Yes | 
| Connectivity | |||
| Bluetooth | Yes Classic Audio | Yes Classic Audio | Yes Classic Audio | 
| Mobile Hotspot | - | n/a | n/a | 
| NFC | - | - | Yes | 
| USB | Yes | Yes Micro-USB | Yes Micro-USB | 
| Wi-Fi | - | Yes 4 (802.11 b,g,n) | Yes 4 (802.11 a,b,g,n) | 
| Contacts | |||
| Picture ID | - | n/a | n/a | 
| Ringer ID | - | n/a | n/a | 
| Voice Dialing | - | n/a | n/a | 
| Customization | |||
| Custom Graphics | Yes | n/a | n/a | 
| Custom Ringtones | Yes | n/a | n/a | 
| Real-Music Ringers | Yes | n/a | n/a | 
| Data & Network | |||
| Data Tethering | - | n/a | n/a | 
| WAP / Web Browser | Yes | n/a | n/a | 
| Input | |||
| Predictive Text Entry | Yes | n/a | n/a | 
| Side Keys | Yes | Yes | Yes | 
| Touch Screen | - | Yes | Yes | 
| 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 | 
| Music | |||
| FM Radio | - | Yes | - | 
| Headphone Jack (3.5mm) | - | Yes | Yes | 
| Music Player | - | n/a | n/a | 
| Photo & Video | |||
| DLNA | - | - | Yes | 
| TV Output | - | - | Yes | 
| Productivity | |||
| Alarm | Yes | n/a | n/a | 
| Calculator | Yes | n/a | n/a | 
| Calendar | Yes | n/a | n/a | 
| To-Do List | - | n/a | n/a | 
| Voice Memo | Yes | n/a | n/a | 
| Software | |||
| Games | Yes | n/a | n/a | 
| Java (J2ME) | Yes | n/a | n/a | 
| Voice | |||
| HD Voice | - | Yes | - | 
| Speaker Phone | Yes | Yes | Yes | 
| ZTE Z221 | ZTE Tempo | BlackBerry Z10 (CDMA) | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
|  |  |  | |
| Phone | ZTE Z221 | ZTE Tempo | BlackBerry Z10 (CDMA) | 
 









