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| Phone | Samsung SPH-A420 | AT&T Maestro 3 | HTC EVO V 4G / EVO 3D (CDMA) | Kyocera 1155 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
6.5" diag. 20 : 9 |
4.3" diag. 16 : 9 |
? |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
720 x 1600 pixels (~270 ppi) LCD (TFT/TFD) |
540 x 960 pixels (~256 ppi) LCD (TFT/TFD) |
? |
| Display Refresh | ? | 60 Hz | 60 Hz | ? |
| Battery | 1,000 mAh | 3,900 mAh | 1,730 mAh | 975 mAh |
| Processor | ? | 2 GHz MediaTek Helio A22 (MT6761) | 1.2 GHz Qualcomm Snapdragon S3 MSM8660 (dual-core) | ? |
| RAM | ? | 3 GB | ? | ? |
| Storage | ? raw hardware | 32 GB | ? raw hardware | ? raw hardware |
| Main Camera | - | 13 megapixel | 5 megapixel | - |
| Wide Camera | - | 5 megapixel | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | 1080p HD | 720p HD | - |
| Front Camera | - | 5 megapixel | 1 megapixel | - |
| Weight |
2.9 oz (82g) |
6.24 oz (177g) |
6 oz (170g) |
4.34 oz (123g) |
| Dimensions |
3.35" x 1.72" x 0.85" (85 x 44 x 21.6 mm) |
6.58" x 3.03" x 0.33" (167 x 77 x 8.4 mm) |
4.96" x 2.56" x 0.47" (126 x 65 x 11.9 mm) |
4.72" x 1.89" x 0.95" (120 x 48 x 24.1 mm) |
| Form Factor | Clamshell | Slab | Slab | Slab |
| Platform / OS | (proprietary) | Android | Android | (proprietary) |
| Network Bands |
CDMA: 850, 1900 AMPS: 850 |
4G LTE: 2, 4, 5, 12, 14, 30 |
4G WiMAX: 41 CDMA: 800, 850, 1900 |
CDMA: 850, 1900 AMPS: 850 |
| Data Technology | - | LTE (Cat 4) | WiMAX | - |
| Features | ||||
| Barometer | - | Yes | - | - |
| Fingerprint Reader | - |
Yes stand-alone |
- | - |
| Flashlight | - | Yes | - | - |
| GPS / Location | Yes | n/a | n/a | - |
| Accessibility | ||||
| Hearing Aid Compatible | Yes | Yes | - | - |
| Multiple Languages | Yes | n/a | n/a | Yes |
| TTY/TDD (Digital) | Yes | - | Yes | - |
| Connectivity | ||||
| Bluetooth | - | Yes | Yes | - |
| Mobile Hotspot | - | n/a | n/a | - |
| USB | - |
Yes USB Type C |
Yes Micro-USB |
- |
| Wi-Fi | - |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 4 (802.11 b,g,n) |
- |
| Contacts | ||||
| Picture ID | - | n/a | n/a | - |
| Ringer ID | - | n/a | n/a | - |
| Voice Dialing | Yes | n/a | n/a | - |
| Customization | ||||
| Custom Graphics | - | n/a | n/a | - |
| Custom Ringtones | - | n/a | n/a | - |
| Real-Music Ringers | - | n/a | n/a | - |
| Data & Network | ||||
| Data Tethering | Yes | n/a | n/a | - |
| WAP / Web Browser | - | n/a | n/a | - |
| Input | ||||
| Predictive Text Entry | Yes | n/a | n/a | - |
| Side Keys | Yes | Yes | Yes | - |
| Touch Screen | - | Yes | Yes | - |
| Memory | ||||
| Memory Card Slot | - | Yes | Yes | - |
| Messaging | ||||
| Email Client | - | n/a | n/a | - |
| Instant Messaging | - | n/a | n/a | - |
| MMS | - | n/a | n/a | - |
| Text Messaging Templates | - | n/a | n/a | Yes |
| Music | ||||
| FM Radio | - | - | Yes | - |
| Headphone Jack (3.5mm) | - | Yes | Yes | - |
| Music Player | - | n/a | n/a | - |
| Photo & Video | ||||
| DLNA | - | - | Yes | - |
| TV Output | - | - | Yes | - |
| Productivity | ||||
| Alarm | Yes | n/a | n/a | Yes |
| Calculator | Yes | n/a | n/a | Yes |
| Calendar | Yes | n/a | n/a | - |
| To-Do List | Yes | n/a | n/a | - |
| Voice Memo | Yes | n/a | n/a | - |
| Software | ||||
| Games | - | n/a | n/a | Yes |
| Voice | ||||
| HD Voice | - | Yes | - | - |
| Headset Jack (2.5 mm) | Yes | n/a | n/a | Yes |
| Speaker Phone | Yes | Yes | Yes | - |
| Samsung SPH-A420 | AT&T Maestro 3 | HTC EVO V 4G / EVO 3D (CDMA) | Kyocera 1155 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SPH-A420 | AT&T Maestro 3 | HTC EVO V 4G / EVO 3D (CDMA) | Kyocera 1155 |
