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| Phone | Samsung SCH-A990 | Samsung SGH-A157 | Samsung Galaxy J2 / J2 Pure / J2 Dash | Motorola One Zoom | TCL A30 / A3 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
1.8" diag. 4 : 3 |
5" diag. 16 : 9 |
6.4" diag. 19.5 : 9 |
5.5" diag. 18 : 9 |
| Display Resolution & Type |
240 x 320 pixels LCD (TFT/TFD) |
128 x 160 pixels (~116 ppi) LCD (TFT/TFD) |
540 x 960 pixels (~220 ppi) LCD (TFT/TFD) |
1080 x 2340 pixels (~403 ppi) AMOLED |
720 x 1440 pixels (~293 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz | 60 Hz | ? |
| Battery | 1,000 mAh | 800 mAh | 2,600 mAh | 4,000 mAh | 3,000 mAh |
| Processor | ? | ? | 1.4 GHz Samsung Exynos 7570 | Qualcomm Snapdragon 675 | 2 GHz MediaTek Helio P22 (MT6762V) |
| RAM | ? | ? | 2 GB | 4 GB | 3 GB |
| Storage | ? raw hardware | 256 MB | 16 GB | 128 GB | 32 GB |
| Main Camera | 3 megapixel | - | 8 megapixel | 12 megapixel | 8 megapixel |
| Wide Camera | - | - | - | 16 megapixel | - |
| Tele Camera | - | - | - | 8 megapixel | - |
| Video Capture | ? | - | 1080p HD | 4K UHD | 1080p HD |
| Front Camera | - | - | 5 megapixel | 25 megapixel | 5 megapixel |
| Weight |
4.4 oz (125g) |
2.99 oz (85g) |
5.43 oz (154g) |
6.7 oz (190g) |
6.03 oz (171g) |
| Dimensions |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
3.83" x 1.84" x 0.65" (97 x 47 x 16.5 mm) |
5.65" x 2.84" x 0.35" (144 x 72 x 8.9 mm) |
6.22" x 2.95" x 0.35" (158 x 75 x 8.8 mm) |
5.74" x 2.8" x 0.39" (146 x 71 x 9.9 mm) |
| Form Factor | Clamshell | Clamshell | Slab | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | Android | Android | Android |
| Network Bands |
CDMA: 850, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 20, 28, 38, 40, 41, 66 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4, 5, 12, 13, 25, 26, 41, 66, 71 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
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| Data Technology | EVDO r0 | ? | LTE (Cat 4) | LTE (Cat 12) | LTE (Cat 4) |
| Features | |||||
| Fingerprint Reader | - | - | - |
Yes in-display (optical) |
- |
| Flashlight | Yes | - | Yes | Yes | Yes |
| GPS / Location | Yes | Yes | n/a | n/a | n/a |
| Water-Resistant | - | - | - | Yes |
Yes IPX2 (drip) |
| Accessibility | |||||
| Adjustable Text Size | - | Yes | n/a | n/a | n/a |
| Hearing Aid Compatible |
Yes M3 (mostly compatible) |
Yes M4 (very compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | Yes | n/a | n/a | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | Yes | - | - | - | - |
| Ringer Profiles | - | Yes | - | - | - |
| Connectivity | |||||
| Bluetooth | Yes | - | Yes | Yes | Yes |
| NFC | - | - | - | Yes | - |
| USB | Yes |
Yes Micro-USB |
Yes Micro-USB |
Yes USB Type C |
Yes Micro-USB |
| Wi-Fi | - | - |
Yes 4 (802.11 b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 4 (802.11 b,g,n) |
| Contacts | |||||
| Picture ID | Yes | Yes | n/a | n/a | n/a |
| Ringer ID | Yes | Yes | n/a | n/a | n/a |
| Voice Dialing | Yes | - | n/a | n/a | n/a |
| Customization | |||||
| Custom Graphics | Yes | Yes | n/a | n/a | n/a |
| Custom Ringtones | Yes | Yes | n/a | n/a | n/a |
| Real-Music Ringers | Yes | 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 | Yes | n/a | n/a | n/a |
| Input | |||||
| Predictive Text Entry | Yes | Yes | n/a | n/a | n/a |
| Side Keys | Yes | - | Yes | Yes | Yes |
| Touch Screen | - | - |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
| Memory | |||||
| Memory Card Slot | Yes | - | Yes | Yes | Yes |
| Messaging | |||||
| EMS / Picture Messaging | Yes | - | n/a | n/a | n/a |
| MMS | Yes | Yes | n/a | n/a | n/a |
| Text Messaging Templates | Yes | 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 | Yes | n/a | n/a | n/a |
| Calculator | Yes | Yes | n/a | n/a | n/a |
| Calendar | Yes | Yes | n/a | n/a | n/a |
| To-Do List | - | Yes | n/a | n/a | n/a |
| Voice Memo | Yes | 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 | |||||
| HD Voice | - | - | - | Yes | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| Samsung SCH-A990 | Samsung SGH-A157 | Samsung Galaxy J2 / J2 Pure / J2 Dash | Motorola One Zoom | TCL A30 / A3 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SCH-A990 | Samsung SGH-A157 | Samsung Galaxy J2 / J2 Pure / J2 Dash | Motorola One Zoom | TCL A30 / A3 |
