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| Phone | Samsung Heat | Nuu F4L | Samsung SGH-i300 | CAT S48c |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Not yet released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
2.8" diag. 4 : 3 |
? |
5" diag. 16 : 9 |
| Display Resolution & Type |
240 x 320 pixels LCD (TFT/TFD) |
240 x 320 pixels (~143 ppi) LCD (STN) |
240 x 320 pixels LCD (TFT/TFD) |
1080 x 1920 pixels (~441 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? | 60 Hz |
| Battery | 800 mAh | 1,350 mAh | ? | 4,000 mAh |
| Processor | ? | 1.1 GHz MediaTek MT6731 | ? | 2.2 GHz Qualcomm Snapdragon 630 |
| RAM | ? | 512 MB | ? | 4 GB |
| Storage | ? raw hardware | 4 GB | ? raw hardware | 32 GB |
| Main Camera | 1 megapixel | 2 megapixel | 1 megapixel | 13 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | ? | 720p HD | ? | 4K UHD |
| Front Camera | - | Yes | - | 5 megapixel |
| Weight |
3.17 oz (90g) |
4.5 oz (128g) |
4.59 oz (130g) |
9.1 oz (258g) |
| Dimensions |
3.6" x 1.8" x 0.6" (91 x 46 x 15.2 mm) |
4.31" x 2.27" x 0.83" (109 x 58 x 21 mm) |
4.45" x 1.89" x 0.79" (113 x 48 x 20.1 mm) |
5.9" x 3" x 0.5" (150 x 76 x 12.7 mm) |
| Form Factor | Slide | Clamshell | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | Windows Mobile Standard | Android |
| Network Bands |
CDMA: 850, 1900 |
4G LTE: 2, 4, 5, 12, 13, 66 WCDMA: 2, 4, 5 GSM: 850, 1900 |
GSM: 900, 1800, 1900 |
4G LTE: 2, 3, 4, 5, 7, 12, 13, 14, 25, 26, 41, 66 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
| Data Technology | EVDO r0 | LTE (Cat 4) | GPRS | LTE (Cat 13) |
| Features | ||||
| Flashlight | - | Yes | - | Yes |
| GPS / Location | Yes | Yes | n/a | n/a |
| Ruggedized | - | - | - | Yes |
| Water-Resistant | - | - | - |
Yes IPX8 (SCUBA) |
| Accessibility | ||||
| Adjustable Text Size | Yes | Yes | n/a | n/a |
| Hearing Aid Compatible | Yes | Yes | - | Yes |
| Multiple Languages | Yes | Yes | n/a | n/a |
| TTY/TDD (Digital) | Yes | Yes | - | Yes |
| Alerts | ||||
| Extra Display | - | Yes | - | - |
| Ringer Profiles | - | - | Yes | - |
| Connectivity | ||||
| Bluetooth |
Yes Classic Audio |
Yes |
Yes Classic Audio |
Yes Classic Audio |
| Infrared (IR) | - | - | Yes | - |
| NFC | - | - | - | Yes |
| USB | Yes |
Yes Micro-USB |
Yes |
Yes USB Type C |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
- |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | ||||
| Picture ID | Yes | Yes | n/a | n/a |
| Ringer ID | Yes | Yes | n/a | n/a |
| Voice Dialing | - | - | n/a | n/a |
| Customization | ||||
| Custom Graphics | Yes | Yes | n/a | n/a |
| Custom Ringtones | Yes | - | n/a | n/a |
| Real-Music Ringers | Yes | - | n/a | n/a |
| Data & Network | ||||
| Data Tethering | - | - | n/a | n/a |
| WAP / Web Browser | Yes | Yes | n/a | n/a |
| Input | ||||
| Predictive Text Entry | Yes | Yes | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen | - | - | - | Yes |
| Memory | ||||
| Memory Card Slot | - | Yes | Yes | Yes |
| Messaging | ||||
| Email Client | - | Yes | n/a | n/a |
| Instant Messaging | - | Yes | n/a | n/a |
| MMS | Yes | Yes | n/a | n/a |
| Text Messaging Templates | Yes | Yes | n/a | n/a |
| Music | ||||
| FM Radio | - | Yes | - | Yes |
| Headphone Jack (3.5mm) | - | Yes | - | Yes |
| Music Player | Yes | Yes | n/a | n/a |
| Stereo Speakers | - | - | Yes | - |
| Power | ||||
| Fast Charging | - | - | - | Yes |
| Productivity | ||||
| Alarm | Yes | Yes | n/a | n/a |
| Calculator | Yes | Yes | n/a | n/a |
| Calendar | Yes | Yes | n/a | n/a |
| To-Do List | Yes | - | n/a | n/a |
| Voice Memo | Yes | Yes | n/a | n/a |
| Software | ||||
| Games | Yes | - | n/a | n/a |
| Java (J2ME) | - | - | n/a | n/a |
| Voice | ||||
| HD Voice | - | Yes | - | Yes |
| Push-To-Talk | - | - | - | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Samsung Heat | Nuu F4L | Samsung SGH-i300 | CAT S48c | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Heat | Nuu F4L | Samsung SGH-i300 | CAT S48c |
