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| Phone | AT&T Vista | Samsung Galaxy Stratosphere II | Apple iPhone 4 (GSM) | Kyocera 7135 | 
| Current U.S. Carriers | (none) | (none) | (none) | (none) | 
| Global Availability | Released | Released | Released | Released | 
| Specifications | ||||
|---|---|---|---|---|
| Display Size | 5.5" diag. 18 : 9 | 4" diag. 5 : 3 | 3.5" diag. 5 : 3 | ? | 
| Display Resolution & Type | 720 x 1440 pixels (~293 ppi) LCD (TFT/TFD) | 480 x 800 pixels (~233 ppi) AMOLED | 640 x 960 pixels (~330 ppi) LCD (TFT/TFD) | 160 x 160 pixels LCD (TFT/TFD) | 
| Display Refresh | 60 Hz | 60 Hz | 60 Hz | ? | 
| Battery | 2,450 mAh | 1,800 mAh | ? | ? | 
| Processor | 2 GHz MediaTek Helio A22 (MT6761V) | 1.2 GHz Qualcomm Snapdragon S4 Plus MSM8960 | Apple A4 | 33 MHz DragonBall | 
| RAM | 3 GB | 1 GB | ? | ? | 
| Storage | 32 GB | 8 GB | 32 GB * | ? raw hardware | 
| Main Camera | 8 megapixel | 5 megapixel | 5 megapixel | - | 
| Wide Camera | - | - | - | - | 
| Tele Camera | - | - | - | - | 
| Video Capture | 1080p HD | 720p HD | 720p HD | - | 
| Front Camera | 5 megapixel | 1 megapixel | Yes | - | 
| Weight | 5.51 oz (156g) | 5.43 oz (154g) | 4.8 oz (136g) | 6.6 oz (187g) | 
| Dimensions | 5.88" x 2.82" x 0.35" (149 x 72 x 8.9 mm) | 4.97" x 2.58" x 0.53" (126 x 66 x 13.5 mm) | 4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm) | 3.97" x 2.43" x 1.17" (101 x 62 x 29.7 mm) | 
| Platform / OS | Android | Android | iOS | Palm OS | 
| Network Bands | 4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30 WCDMA: 1, 2, 4, 5, 8 | 4G LTE: 13 WCDMA: 1 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 | WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900 | CDMA: 850, 1900 AMPS: 850 | 
| Data Technology | LTE (Cat 4) | LTE (Cat 3) | HSPA 7.2 | 1xRTT | 
| Features | ||||
| Flashlight | Yes | - | - | - | 
| Accessibility | ||||
| Hearing Aid Compatible | Yes | Yes | Yes | - | 
| TTY/TDD (Digital) | - | Yes | Yes | - | 
| Alerts | ||||
| Extra Display | - | - | - | Yes | 
| Connectivity | ||||
| Bluetooth | Yes Classic Audio | Yes Classic Audio | Yes Classic Audio | - | 
| Infrared (IR) | - | - | - | Yes | 
| NFC | - | Yes | - | - | 
| USB | Yes USB Type C | Yes | Yes | Yes | 
| Wi-Fi | Yes | Yes 4 (802.11 a,b,g,n) | Yes 4 (802.11 b,g,n) | - | 
| Input | ||||
| Side Keys | Yes | Yes | Yes | Yes | 
| Touch Screen | Yes | Yes | Yes | Yes | 
| Memory | ||||
| Memory Card Slot | Yes | Yes | - | Yes | 
| Music | ||||
| Headphone Jack (3.5mm) | Yes | Yes | Yes | - | 
| Photo & Video | ||||
| DLNA | - | Yes | - | - | 
| TV Output | - | - | Yes | - | 
| Voice | ||||
| HD Voice | Yes | - | - | - | 
| Speaker Phone | Yes | Yes | Yes | Yes | 
| AT&T Vista | Samsung Galaxy Stratosphere II | Apple iPhone 4 (GSM) | Kyocera 7135 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
|  |  |  |  | |
| Phone | AT&T Vista | Samsung Galaxy Stratosphere II | Apple iPhone 4 (GSM) | Kyocera 7135 | 
 







