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| Phone | Samsung Galaxy A02s | Visible Midnight | Nokia 3555 | AT&T Vista |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
6.5" diag. 20 : 9 |
6.5" diag. 20 : 9 |
1.8" diag. 4 : 3 |
5.5" diag. 18 : 9 |
| Display Resolution & Type |
720 x 1600 pixels (~270 ppi) LCD (TFT/TFD) |
720 x 1600 pixels (~269 ppi) LCD (TFT/TFD) |
128 x 160 pixels (~114 ppi) LCD (TFT/TFD) |
720 x 1440 pixels (~293 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | 60 Hz | ? | 60 Hz |
| Battery | 5,000 mAh | 4,000 mAh | ? | 2,450 mAh |
| Processor | Qualcomm Snapdragon 450 | MediaTek Helio P22 (MT6762) | ? | 2 GHz MediaTek Helio A22 (MT6761V) |
| RAM | 2 GB | 3 GB | ? | 3 GB |
| Storage | 32 GB | 32 GB | ? raw hardware | 32 GB |
| Main Camera | 13 megapixel | 13 megapixel | Yes | 8 megapixel |
| Wide Camera | - | 5 megapixel | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | 1080p HD | 1080p HD | QCIF (176 x 144) | 1080p HD |
| Front Camera | 5 megapixel | 8 megapixel | - | 5 megapixel |
| Weight |
6.98 oz (198g) |
6.35 oz (180g) |
3.32 oz (94g) |
5.51 oz (156g) |
| Dimensions |
6.56" x 2.99" x 0.36" (166 x 76 x 9.2 mm) |
6.53" x 3" x 0.34" (166 x 76 x 8.6 mm) |
3.94" x 1.75" x 0.83" (100 x 44 x 21 mm) |
5.88" x 2.82" x 0.35" (149 x 72 x 8.9 mm) |
| Form Factor | Slab | Slab | Clamshell | Slab |
| Platform / OS | Android | Android | (proprietary) | Android |
| Network Bands |
4G LTE: 2, 4, 5, 7, 12, 13, 25, 26, 41, 66, 71 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4, 5, 7, 12, 13, 66 |
4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30 WCDMA: 1, 2, 4, 5, 8 |
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| Data Technology | LTE (Cat 4) | LTE (Cat 4) | WCDMA (UMTS) | LTE (Cat 4) |
| Features | ||||
| Barometer | Yes | - | - | - |
| Fingerprint Reader | - |
Yes stand-alone |
- | - |
| Flashlight | Yes | Yes | - | Yes |
| Accessibility | ||||
| Hearing Aid Compatible | Yes | Yes | Yes * | Yes |
| Multiple Languages | n/a | n/a | Yes | n/a |
| TTY/TDD (Digital) | Yes | - | - | - |
| Alerts | ||||
| Extra Display | - | - | Yes | - |
| Ringer Profiles | - | - | Yes | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| USB |
Yes USB Type C |
Yes USB Type C |
Yes |
Yes USB Type C |
| Wi-Fi |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
- | Yes |
| Contacts | ||||
| Picture ID | n/a | n/a | Yes | n/a |
| Ringer ID | n/a | n/a | Yes | n/a |
| Voice Dialing | n/a | n/a | Yes | n/a |
| Customization | ||||
| Custom Graphics | n/a | n/a | Yes | n/a |
| Custom Ringtones | n/a | n/a | Yes | n/a |
| Real-Music Ringers | n/a | n/a | Yes | n/a |
| Data & Network | ||||
| WAP / Web Browser | n/a | n/a | Yes | n/a |
| Input | ||||
| Predictive Text Entry | n/a | n/a | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen | Yes | Yes | - | Yes |
| Memory | ||||
| Memory Card Slot | Yes | Yes | Yes | Yes |
| Messaging | ||||
| Instant Messaging | n/a | n/a | Yes * | n/a |
| MMS | n/a | n/a | Yes | n/a |
| Text Messaging Templates | n/a | n/a | Yes | n/a |
| Music | ||||
| Headphone Jack (3.5mm) | Yes | Yes | - | Yes |
| Music Player | n/a | n/a | Yes | n/a |
| Power | ||||
| Fast Charging | Yes | - | - | - |
| Wireless Charging | - | Yes | - | - |
| Productivity | ||||
| Alarm | n/a | n/a | Yes | n/a |
| Calculator | n/a | n/a | Yes | n/a |
| Calendar | n/a | n/a | Yes | n/a |
| To-Do List | n/a | n/a | Yes | n/a |
| Voice Memo | n/a | n/a | Yes | n/a |
| Software | ||||
| Games | n/a | n/a | Yes | n/a |
| Java (J2ME) | n/a | n/a | Yes | n/a |
| Voice | ||||
| HD Voice | Yes | Yes | - | Yes |
| Headset Jack (2.5 mm) | n/a | n/a | Yes | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| Samsung Galaxy A02s | Visible Midnight | Nokia 3555 | AT&T Vista | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Galaxy A02s | Visible Midnight | Nokia 3555 | AT&T Vista |
