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| Phone | Samsung SGH-T239 | Samsung Galaxy Attain 4G | Samsung Galaxy A21 |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size | ? |
3.5" diag. 5 : 3 |
6.5" diag. 20 : 9 |
| Display Resolution & Type |
176 x 220 pixels LCD (TFT/TFD) |
320 x 480 pixels (~165 ppi) LCD (TFT/TFD) |
720 x 1600 pixels (~270 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | 60 Hz |
| Battery | ? | 1,650 mAh | 4,000 mAh |
| Processor | ? | ? | 2 GHz MediaTek Helio P35 (MT6765) |
| RAM | ? | 512 MB | 3 GB |
| Storage | ? raw hardware | ? raw hardware | 32 GB |
| Main Camera | Yes | 3 megapixel | 16 megapixel |
| Wide Camera | - | - | 8 megapixel |
| Tele Camera | - | - | - |
| Video Capture | - | WVGA / 480p | 1080p HD |
| Front Camera | - | 1 megapixel | 13 megapixel |
| Weight |
3.34 oz (95g) |
4.2 oz (119g) |
6.81 oz (193g) |
| Dimensions |
3.78" x 1.87" x 0.68" (96 x 47 x 17.3 mm) |
4.57" x 2.38" x 0.46" (116 x 60 x 11.7 mm) |
6.61" x 3.02" x 0.32" (168 x 77 x 8.1 mm) |
| Form Factor | Slide | Slab | Slab |
| Platform / OS | (proprietary) | Android | Android |
| Network Bands |
GSM: 850, 1900 |
4G LTE: 2, 4 CDMA: 850, 1700, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 20, 25, 26, 28, 38, 39, 40, 41, 66, 71 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
| Data Technology | GPRS | LTE (Cat 3) | LTE (Cat 6) |
| Features | |||
| Fingerprint Reader | - | - |
Yes stand-alone |
| Flashlight | - | - | Yes |
| GPS / Location | - | n/a | n/a |
| Accessibility | |||
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | n/a | n/a |
| TTY/TDD (Digital) | - | Yes | Yes |
| Connectivity | |||
| Bluetooth | Yes | Yes | Yes |
| NFC | - | - | Yes |
| USB | - |
Yes Micro-USB |
Yes USB Type C |
| Wi-Fi | - | Yes |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | |||
| Picture ID | Yes | n/a | n/a |
| Ringer ID | Yes | n/a | n/a |
| Voice Dialing | - | n/a | n/a |
| Customization | |||
| Custom Graphics | Yes | n/a | n/a |
| Custom Ringtones | Yes | n/a | n/a |
| Real-Music Ringers | Yes | n/a | n/a |
| Data & Network | |||
| WAP / Web Browser | Yes | n/a | n/a |
| Input | |||
| Predictive Text Entry | Yes | n/a | n/a |
| Side Keys | Yes | Yes | Yes |
| Touch Screen | - |
Yes Capacitive |
Yes Capacitive |
| Memory | |||
| Memory Card Slot | - | Yes | Yes |
| Messaging | |||
| Email Client | - | n/a | n/a |
| EMS / Picture Messaging | Yes | n/a | n/a |
| Instant Messaging | Yes | n/a | n/a |
| MMS | Yes | n/a | n/a |
| Text Messaging Templates | Yes | n/a | n/a |
| Music | |||
| Headphone Jack (3.5mm) | - | Yes | Yes |
| Music Player | - | n/a | n/a |
| Photo & Video | |||
| DLNA | - | Yes | - |
| Power | |||
| Fast Charging | - | - | Yes |
| Productivity | |||
| Alarm | Yes | n/a | n/a |
| Calculator | Yes | n/a | n/a |
| Calendar | Yes | n/a | n/a |
| To-Do List | Yes | n/a | n/a |
| Voice Memo | Yes | n/a | n/a |
| Software | |||
| Games | Yes | n/a | n/a |
| Java (J2ME) | Yes | n/a | n/a |
| Voice | |||
| HD Voice | - | - | Yes |
| Speaker Phone | Yes | Yes | Yes |
| Samsung SGH-T239 | Samsung Galaxy Attain 4G | Samsung Galaxy A21 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-T239 | Samsung Galaxy Attain 4G | Samsung Galaxy A21 |
