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| Phone | Casio G'zOne Boulder | Samsung Droid Charge | Siemens A56 / A56i | Coolpad Conjr | 
| Current U.S. Carriers | (none) | (none) | (none) | (none) | 
| Global Availability | Released | Released | Released | Released | 
| Specifications | ||||
|---|---|---|---|---|
| Display Size | 2" diag. 4 : 3 | 4.3" diag. 5 : 3 | ? | 5" diag. 16 : 9 | 
| Display Resolution & Type | 240 x 320 pixels (~200 ppi) LCD (TFT/TFD) | 480 x 800 pixels (~217 ppi) AMOLED | 101 x 64 pixels | 720 x 1280 pixels (~294 ppi) LCD (TFT/TFD) | 
| Display Refresh | ? | 60 Hz | ? | 60 Hz | 
| Battery | 810 mAh | 1,500 mAh | 700 mAh | 2,500 mAh | 
| Processor | ? | 1 GHz Samsung Hummingbird | ? | 1 GHz MediaTek MT6735 | 
| RAM | ? | ? | ? | 3 GB | 
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | 16 GB | 
| Main Camera | 1 megapixel | 8 megapixel | - | 13 megapixel | 
| Wide Camera | - | - | - | - | 
| Tele Camera | - | - | - | - | 
| Video Capture | ? | 720p HD | - | 1080p HD | 
| Front Camera | - | 1 megapixel | - | 8 megapixel | 
| Weight | 4.9 oz (139g) | 5.06 oz (144g) | 3 oz (85g) | 5.14 oz (146g) | 
| Dimensions | 3.9" x 2" x 0.9" (99 x 51 x 22.9 mm) | 5.1" x 2.68" x 0.46" (130 x 68 x 11.7 mm) | 4" x 1.7" x 0.8" (102 x 43 x 20.3 mm) | 5.72" x 2.86" x 0.35" (145 x 73 x 8.8 mm) | 
| Form Factor | Clamshell | Slab | Slab | Slab | 
| Platform / OS | (proprietary) | Android | (proprietary) | Android | 
| Network Bands | CDMA: 850, 1900 | 4G LTE: 13 CDMA: 850, 1900 | GSM: 850, 1900 | 4G LTE: 2, 4, 5, 7, 12 WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900 | 
| Data Technology | EVDO rA | LTE (Cat 3) | - | LTE (Cat 4) | 
| Features | ||||
| Fingerprint Reader | - | - | - | Yes stand-alone | 
| Flashlight | Yes | - | - | Yes | 
| GPS / Location | Yes | n/a | Yes | n/a | 
| Ruggedized | Yes | - | - | - | 
| Water-Resistant | Yes | - | - | - | 
| Accessibility | ||||
| Hearing Aid Compatible | Yes | Yes | - | Yes | 
| Multiple Languages | Yes | n/a | - | n/a | 
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes | 
| Alerts | ||||
| Extra Display | Yes | - | - | - | 
| Ringer Profiles | - | - | Yes | - | 
| Connectivity | ||||
| Bluetooth | Yes Classic Audio | Yes Classic Audio | - | Yes Classic Audio | 
| Mobile Hotspot | - | n/a | - | n/a | 
| USB | Yes | Yes Micro-USB | - | Yes Micro-USB | 
| Wi-Fi | - | Yes 4 (802.11 b,g,n) | - | Yes 4 (802.11 b,g,n) | 
| Contacts | ||||
| Picture ID | Yes | n/a | Yes | n/a | 
| Ringer ID | Yes | n/a | Yes | n/a | 
| Voice Dialing | Yes | n/a | - | n/a | 
| Customization | ||||
| Changeable Body Plates | Yes | - | Yes | - | 
| Custom Graphics | Yes | n/a | Yes | n/a | 
| Custom Ringtones | Yes | n/a | Yes | n/a | 
| Real-Music Ringers | - | n/a | - | n/a | 
| Data & Network | ||||
| Data Tethering | Yes | n/a | - | n/a | 
| Dual-SIM | - | - | - | Yes | 
| WAP / Web Browser | Yes | n/a | Yes | n/a | 
| Input | ||||
| Predictive Text Entry | Yes | n/a | Yes | n/a | 
| Side Keys | Yes | Yes | - | Yes | 
| Touch Screen | - | Yes | - | Yes | 
| Memory | ||||
| Memory Card Slot | Yes | Yes | - | Yes | 
| Messaging | ||||
| Email Client | - | n/a | - | n/a | 
| EMS / Picture Messaging | Yes | n/a | Yes | n/a | 
| Instant Messaging | - | n/a | - | n/a | 
| MMS | Yes | n/a | - | n/a | 
| Text Messaging Templates | Yes | n/a | - | n/a | 
| Music | ||||
| Headphone Jack (3.5mm) | - | Yes | - | Yes | 
| Music Player | Yes | n/a | - | n/a | 
| Photo & Video | ||||
| DLNA | - | Yes | - | - | 
| TV Output | - | Yes | - | - | 
| Video Calling | - | n/a | - | n/a | 
| Productivity | ||||
| Alarm | Yes | n/a | Yes | n/a | 
| Calculator | Yes | n/a | Yes | n/a | 
| Calendar | Yes | n/a | - | n/a | 
| Voice Memo | Yes | n/a | - | n/a | 
| Software | ||||
| BREW | Yes | n/a | - | n/a | 
| Games | Yes | n/a | Yes | n/a | 
| Voice | ||||
| Push-To-Talk | Yes | - | - | - | 
| Speaker Phone | Yes | Yes | - | Yes | 
| Casio G'zOne Boulder | Samsung Droid Charge | Siemens A56 / A56i | Coolpad Conjr | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
|  |  |  |  | |
| Phone | Casio G'zOne Boulder | Samsung Droid Charge | Siemens A56 / A56i | Coolpad Conjr | 
 






