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| Phone | Samsung SCH-A990 | Samsung Nexus S | Motorola Moto G4 Plus | LG Optimus Zone | 
| Current U.S. Carriers | (none) | (none) | (none) | (none) | 
| Global Availability | Released | Released | Released | Released | 
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | 4" diag. 5 : 3 | 5.5" diag. 16 : 9 | 3.2" diag. 4 : 3 | 
| Display Resolution & Type | 240 x 320 pixels LCD (TFT/TFD) | 480 x 800 pixels (~233 ppi) AMOLED | 1080 x 1920 pixels (~401 ppi) LCD (TFT/TFD) | 240 x 320 pixels (~125 ppi) LCD (TFT/TFD) | 
| Display Refresh | ? | 60 Hz | 60 Hz | 60 Hz | 
| Battery | 1,000 mAh | 1,500 mAh | 3,000 mAh | 1,540 mAh | 
| Processor | ? | 1 GHz Samsung Hummingbird Cortex A8 | 1.5 GHz Qualcomm Snapdragon 617 | 800 MHz Qualcomm Snapdragon S1 MSM7625A | 
| RAM | ? | ? | 2 GB * | 512 MB | 
| Storage | ? raw hardware | 16 GB | 16 GB * | 4 GB | 
| Main Camera | 3 megapixel | 5 megapixel | 16 megapixel | 3 megapixel | 
| Wide Camera | - | - | - | - | 
| Tele Camera | - | - | - | - | 
| Video Capture | ? | WVGA / 480p | 1080p HD | VGA (640 x 480) | 
| Front Camera | - | Yes | 5 megapixel | - | 
| Weight | 4.4 oz (125g) | 4.55 oz (129g) | 5.47 oz (155g) | 3.88 oz (110g) | 
| Dimensions | 3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) | 4.88" x 2.48" x 0.43" (124 x 63 x 10.9 mm) | 6.02" x 3.02" x 0.39" (153 x 77 x 9.8 mm) | 4.04" x 2.42" x 0.47" (103 x 61 x 11.9 mm) | 
| Form Factor | Clamshell | Slab | Slab | Slab | 
| Platform / OS | (proprietary) | Android | Android | Android | 
| Network Bands | CDMA: 850, 1900 | 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 25, 26, 41 WCDMA: 1, 2, 4, 5, 8 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 | CDMA: 850, 1900 | |
| Data Technology | EVDO r0 | HSPA 7.2 | LTE (Cat 4) | EVDO rA | 
| Features | ||||
| Fingerprint Reader | - | - | Yes | - | 
| Flashlight | Yes | - | Yes | - | 
| GPS / Location | Yes | n/a | n/a | n/a | 
| Water-Resistant | - | - | Yes | - | 
| Accessibility | ||||
| Adjustable Text Size | - | n/a | n/a | n/a | 
| Hearing Aid Compatible | Yes | Yes | Yes | Yes | 
| Multiple Languages | Yes | n/a | n/a | n/a | 
| TTY/TDD (Digital) | Yes | - | Yes | Yes | 
| Alerts | ||||
| Extra Display | Yes | - | - | - | 
| Connectivity | ||||
| Bluetooth | Yes Classic Audio | Yes Classic Audio | Yes Classic Audio | Yes Classic Audio | 
| Mobile Hotspot | - | n/a | n/a | n/a | 
| NFC | - | Yes | - | - | 
| USB | Yes | Yes Micro-USB | Yes Micro-USB | Yes Micro-USB | 
| Wi-Fi | - | Yes 4 (802.11 b,g,n) | Yes 4 (802.11 a,b,g,n) | Yes 4 (802.11 b,g,n) | 
| Contacts | ||||
| Picture ID | Yes | n/a | n/a | n/a | 
| Ringer ID | Yes | n/a | n/a | n/a | 
| Voice Dialing | Yes | n/a | n/a | n/a | 
| Customization | ||||
| Changeable Body Plates | - | - | Yes | - | 
| Custom Graphics | Yes | n/a | n/a | n/a | 
| Custom Ringtones | Yes | n/a | n/a | n/a | 
| Real-Music Ringers | Yes | n/a | n/a | n/a | 
| Data & Network | ||||
| Data Tethering | Yes | n/a | n/a | n/a | 
| Dual-SIM | - | - | Yes * | - | 
| WAP / Web Browser | Yes | n/a | n/a | n/a | 
| Input | ||||
| Predictive Text Entry | Yes | n/a | n/a | n/a | 
| Side Keys | Yes | Yes | Yes | Yes | 
| Touch Screen | - | Yes | Yes | Yes | 
| Memory | ||||
| Memory Card Slot | Yes | - | Yes | Yes | 
| Messaging | ||||
| Email Client | - | n/a | n/a | n/a | 
| EMS / Picture Messaging | Yes | n/a | n/a | n/a | 
| Instant Messaging | - | n/a | n/a | n/a | 
| MMS | Yes | n/a | n/a | n/a | 
| Text Messaging Templates | Yes | n/a | n/a | n/a | 
| Music | ||||
| FM Radio | - | - | Yes | - | 
| Headphone Jack (3.5mm) | - | Yes | Yes | Yes | 
| Music Player | Yes | n/a | n/a | n/a | 
| Stereo Speakers | Yes | - | - | - | 
| Photo & Video | ||||
| TV Output | Yes | - | - | - | 
| 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 | 
| Voice Memo | Yes | n/a | n/a | n/a | 
| Software | ||||
| BREW | Yes | n/a | n/a | n/a | 
| Games | Yes | n/a | n/a | n/a | 
| Voice | ||||
| Speaker Phone | Yes | Yes | Yes | Yes | 
| * Some versions only | ||||
| Samsung SCH-A990 | Samsung Nexus S | Motorola Moto G4 Plus | LG Optimus Zone | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
|  |  |  |  | |
| Phone | Samsung SCH-A990 | Samsung Nexus S | Motorola Moto G4 Plus | LG Optimus Zone | 
 







