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| Phone | Cal-Comp EZ | BlackBerry 8820 | Samsung Jack i637 | ZTE Grand X 3 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? |
2.4" diag. 4 : 3 |
5.5" diag. 16 : 9 |
| Display Resolution & Type |
128 x 128 pixels LCD (STN) |
320 x 240 pixels LCD (TFT/TFD) |
320 x 240 pixels (~167 ppi) LCD (TFT/TFD) |
720 x 1280 pixels (~267 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | 60 Hz |
| Battery | 800 mAh | 1,400 mAh | 1,480 mAh | 3,080 mAh |
| Processor | ? | ? | ? | 1.3 GHz Qualcomm Snapdragon 210 (MSM8909) |
| RAM | ? | ? | ? | 2 GB |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | 16 GB |
| Main Camera | - | - | 3 megapixel | 8 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | - | ? | 720p HD |
| Front Camera | - | - | - | 2 megapixel |
| Weight |
2.47 oz (70g) |
4.73 oz (134g) |
3.6 oz (102g) |
6 oz (170g) |
| Dimensions |
4.04" x 1.71" x 0.63" (103 x 43 x 16 mm) |
4.49" x 2.6" x 0.55" (114 x 66 x 14 mm) |
4.4" x 2.4" x 0.5" (112 x 61 x 12.7 mm) |
6.07" x 2.99" x 0.37" (154 x 76 x 9.4 mm) |
| Form Factor | Slab | Slab | Slab | Slab |
| Platform / OS | (proprietary) | BlackBerry OS | Windows Mobile Standard | Android |
| Network Bands |
CDMA: 850, 1900 |
GSM: 850, 900, 1800, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4, 5, 12 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | 1xRTT | EDGE | HSDPA 3.6 | LTE (Cat 4) |
| Features | ||||
| Flashlight | - | - | - | Yes |
| GPS / Location | Yes | n/a | n/a | n/a |
| Accessibility | ||||
| Hearing Aid Compatible | - | - |
Yes M3 (mostly compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | n/a | n/a | n/a |
| TTY/TDD (Digital) | - | Yes | - | Yes |
| Alerts | ||||
| Ringer Profiles | - | Yes | Yes | - |
| Connectivity | ||||
| Bluetooth | - | Yes | Yes | Yes |
| USB |
Yes Mini-USB |
Yes Mini-USB |
Yes |
Yes USB Type C |
| Wi-Fi | - | Yes |
Yes 802.11 b,g |
Yes 4 (802.11 b,g,n) |
| Contacts | ||||
| Picture ID | - | n/a | n/a | n/a |
| Ringer ID | - | n/a | n/a | n/a |
| Voice Dialing | - | n/a | n/a | n/a |
| Customization | ||||
| Custom Graphics | - | n/a | n/a | n/a |
| Custom Ringtones | - | n/a | n/a | n/a |
| Real-Music Ringers | - | n/a | n/a | n/a |
| Data & Network | ||||
| Data Tethering | - | n/a | n/a | n/a |
| WAP / Web Browser | - | n/a | n/a | n/a |
| Input | ||||
| Side Keys | - | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | Yes | - |
| Touch Screen | - | - | - |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | - | Yes | Yes | Yes |
| Messaging | ||||
| Email Client | - | n/a | n/a | n/a |
| Instant Messaging | - | n/a | n/a | n/a |
| MMS | - | n/a | n/a | n/a |
| Text Messaging Templates | Yes | n/a | n/a | n/a |
| Music | ||||
| Headphone Jack (3.5mm) | - | - | - | Yes |
| Music Player | - | n/a | n/a | n/a |
| Power | ||||
| Fast Charging | - | - | - | Yes |
| Productivity | ||||
| Alarm | Yes | n/a | n/a | n/a |
| Calculator | Yes | n/a | n/a | n/a |
| Calendar | Yes | n/a | n/a | n/a |
| To-Do List | Yes | n/a | n/a | n/a |
| Voice Memo | Yes * | n/a | n/a | n/a |
| Software | ||||
| Games | - | n/a | n/a | n/a |
| Java (J2ME) | - | n/a | n/a | n/a |
| Voice | ||||
| HD Voice | - | - | - | Yes |
| Headset Jack (2.5 mm) | Yes | n/a | n/a | n/a |
| Push-To-Talk | - | Yes * | - | - |
| Speaker Phone | - | Yes | Yes | Yes |
| * Some versions only | ||||
| Cal-Comp EZ | BlackBerry 8820 | Samsung Jack i637 | ZTE Grand X 3 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Cal-Comp EZ | BlackBerry 8820 | Samsung Jack i637 | ZTE Grand X 3 |
