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| Phone | Apple iPhone 4 (CDMA) | Palm Treo 600 (CDMA) | Samsung Transform Ultra | LG Arena | 
| Current U.S. Carriers | (none) | (none) | (none) | (none) | 
| Global Availability | Released | Released | Released | Released | 
| Specifications | ||||
|---|---|---|---|---|
| Display Size | 3.5" diag. 5 : 3 | ? | 3.5" diag. 5 : 3 | 3" diag. 5 : 3 | 
| Display Resolution & Type | 640 x 960 pixels (~330 ppi) LCD (TFT/TFD) | 160 x 160 pixels LCD (Color) | 320 x 480 pixels (~165 ppi) LCD (TFT/TFD) | 480 x 800 pixels (~311 ppi) LCD (TFT/TFD) | 
| Display Refresh | 60 Hz | ? | 60 Hz | ? | 
| Battery | ? | ? | 1,500 mAh | 1,000 mAh | 
| Processor | ? | ? | 1 GHz Qualcomm Snapdragon S2 MSM8655 | ? | 
| RAM | ? | ? | ? | ? | 
| Storage | 8 GB * | ? raw hardware | ? raw hardware | ? raw hardware | 
| Main Camera | 5 megapixel | Yes | 3 megapixel | 5 megapixel | 
| Wide Camera | - | - | - | - | 
| Tele Camera | - | - | - | - | 
| Video Capture | 720p HD | - | VGA (640 x 480) | VGA (640 x 480) | 
| Front Camera | Yes | - | Yes | - | 
| Weight | 4.8 oz (136g) | 6.2 oz (176g) | 4.9 oz (139g) | 3.7 oz (105g) | 
| Dimensions | 4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm) | 4.41" x 2.36" x 0.87" (112 x 60 x 22.1 mm) | 4.5" x 2.4" x 0.55" (114 x 61 x 14 mm) | 4.24" x 2.18" x 0.48" (108 x 55 x 12.2 mm) | 
| Form Factor | Slab | Slab | Slide | Slab | 
| Platform / OS | iOS | Palm OS | Android | (proprietary) | 
| Network Bands | CDMA: 850, 1900 | CDMA: 850, 1900 | CDMA: 800, 850, 1900 | WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 | 
| Data Technology | EVDO rA | 1xRTT | EVDO rA | HSPA 7.2 | 
| Features | ||||
| GPS / Location | n/a | n/a | n/a | Yes | 
| Accessibility | ||||
| Adjustable Text Size | n/a | n/a | n/a | - | 
| Hearing Aid Compatible | Yes | - | Yes | - | 
| Multiple Languages | n/a | n/a | n/a | - | 
| TTY/TDD (Digital) | - | Yes | Yes | Yes | 
| Connectivity | ||||
| Bluetooth | Yes Classic Audio | - | Yes Classic Audio | Yes Classic Audio | 
| Infrared (IR) | - | Yes | - | - | 
| Mobile Hotspot | n/a | n/a | n/a | - | 
| USB | Yes | Yes | Yes | Yes | 
| Wi-Fi | Yes 4 (802.11 b,g,n) | - | Yes 4 (802.11 a,b,g,n) | - | 
| Contacts | ||||
| Picture ID | n/a | n/a | n/a | Yes | 
| Ringer ID | n/a | n/a | n/a | - | 
| Voice Dialing | n/a | n/a | n/a | Yes | 
| Customization | ||||
| Custom Graphics | n/a | n/a | n/a | Yes | 
| Custom Ringtones | n/a | n/a | n/a | Yes | 
| Real-Music Ringers | n/a | n/a | n/a | Yes | 
| Data & Network | ||||
| Data Tethering | n/a | n/a | n/a | Yes | 
| WAP / Web Browser | n/a | n/a | n/a | Yes | 
| Input | ||||
| Predictive Text Entry | n/a | n/a | n/a | - | 
| Side Keys | Yes | Yes | Yes | Yes | 
| Text Keyboard, Hardware | - | Yes | Yes | - | 
| Touch Screen | Yes | Yes | Yes | Yes | 
| Memory | ||||
| Memory Card Slot | - | Yes | Yes | Yes | 
| Messaging | ||||
| Email Client | n/a | n/a | n/a | Yes | 
| Instant Messaging | n/a | n/a | n/a | Yes | 
| MMS | n/a | n/a | n/a | Yes | 
| Music | ||||
| Headphone Jack (3.5mm) | Yes | - | Yes | - | 
| Music Player | n/a | n/a | n/a | Yes | 
| Photo & Video | ||||
| TV Output | Yes | - | - | - | 
| Video Calling | n/a | n/a | n/a | - | 
| Productivity | ||||
| Alarm | n/a | n/a | n/a | Yes | 
| Calculator | n/a | n/a | n/a | Yes | 
| Calendar | n/a | n/a | n/a | Yes | 
| To-Do List | n/a | n/a | n/a | Yes | 
| Voice Memo | n/a | n/a | n/a | Yes | 
| Software | ||||
| Games | n/a | n/a | n/a | Yes | 
| Java (J2ME) | n/a | n/a | n/a | Yes | 
| Voice | ||||
| Headset Jack (2.5 mm) | n/a | n/a | n/a | - | 
| Speaker Phone | Yes | Yes | Yes | Yes | 
| Apple iPhone 4 (CDMA) | Palm Treo 600 (CDMA) | Samsung Transform Ultra | LG Arena | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
|  |  |  |  | |
| Phone | Apple iPhone 4 (CDMA) | Palm Treo 600 (CDMA) | Samsung Transform Ultra | LG Arena | 
 







