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| Phone | Samsung Jack i637 | Ericsson R278d | Apple iPhone 4 (GSM) | Samsung Galaxy S7 | Motorola Citrus |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
2.4" diag. 4 : 3 |
? |
3.5" diag. 5 : 3 |
5.1" diag. 16 : 9 |
3" diag. 4 : 3 |
| Display Resolution & Type |
320 x 240 pixels (~167 ppi) LCD (TFT/TFD) |
101 x 40 pixels |
640 x 960 pixels (~330 ppi) LCD (TFT/TFD) |
1440 x 2560 pixels (~576 ppi) AMOLED |
240 x 320 pixels (~133 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz | 60 Hz | 60 Hz |
| Battery | 1,480 mAh | ? | ? | 3,000 mAh | 1,150 mAh |
| Processor | ? | ? | Apple A4 | 2.2 GHz Qualcomm Snapdragon 820 (MSM8996) | ? |
| RAM | ? | ? | ? | 4 GB | ? |
| Storage | ? raw hardware | ? raw hardware | 32 GB * | 32 GB | ? raw hardware |
| Main Camera | 3 megapixel | - | 5 megapixel | 12 megapixel | 3 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | ? | - | 720p HD | 4K UHD | CIF (352 x 288) |
| Front Camera | - | - | Yes | 5 megapixel | - |
| Weight |
3.6 oz (102g) |
9.28 oz (263g) |
4.8 oz (136g) |
5.36 oz (152g) |
3.88 oz (110g) |
| Dimensions |
4.4" x 2.4" x 0.5" (112 x 61 x 12.7 mm) |
5.1" x 2" x 1" (130 x 51 x 25.4 mm) |
4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm) |
5.61" x 2.74" x 0.31" (142 x 70 x 7.9 mm) |
4.09" x 2.32" x 0.59" (104 x 59 x 15 mm) |
| Form Factor | Slab | Slab | Slab | Slab | Slab |
| Platform / OS | Windows Mobile Standard | (proprietary) | iOS | Android | Android |
| Network Bands |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
TDMA: 850, 1900 AMPS: 850 |
WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 25, 26, 29, 30, 40, 41 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
| Data Technology | HSDPA 3.6 | - | HSPA 7.2 | LTE (Cat 9) | EVDO r0 |
| Features | |||||
| Fingerprint Reader | - | - | - | Yes | - |
| Flashlight | - | - | - | Yes | - |
| GPS / Location | n/a | - | n/a | n/a | n/a |
| VR-ready | - | - | - | Yes | - |
| Water-Resistant | - | - | - |
Yes IPX8 (SCUBA) |
- |
| Accessibility | |||||
| Adjustable Text Size | n/a | - | n/a | n/a | n/a |
| Hearing Aid Compatible |
Yes M3 (mostly compatible) |
- |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
- |
| Multiple Languages | n/a | Yes | n/a | n/a | n/a |
| TTY/TDD (Digital) | - | - | Yes | Yes | - |
| Alerts | |||||
| Ringer Profiles | Yes | Yes | - | - | - |
| Connectivity | |||||
| Bluetooth | Yes | - | Yes | Yes | Yes |
| MirrorLink | - | - | - | Yes | - |
| Mobile Hotspot | n/a | - | n/a | n/a | n/a |
| NFC | - | - | - | Yes | - |
| USB | Yes | - | Yes |
Yes Micro-USB |
Yes Micro-USB |
| Wi-Fi |
Yes 802.11 b,g |
- |
Yes 4 (802.11 b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 802.11 b,g |
| Contacts | |||||
| Picture ID | n/a | - | n/a | n/a | n/a |
| Ringer ID | n/a | - | n/a | n/a | n/a |
| Voice Dialing | n/a | - | n/a | n/a | n/a |
| Customization | |||||
| Custom Graphics | n/a | - | n/a | n/a | n/a |
| Custom Ringtones | n/a | Yes | n/a | n/a | n/a |
| Real-Music Ringers | n/a | - | n/a | n/a | n/a |
| Data & Network | |||||
| Data Tethering | n/a | Yes | n/a | n/a | n/a |
| Dual-SIM | - | - | - | Yes | - |
| WAP / Web Browser | n/a | Yes | n/a | n/a | n/a |
| Input | |||||
| Predictive Text Entry | n/a | Yes | n/a | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | - | - | - | - |
| Touch Screen | - | - |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
| Memory | |||||
| Memory Card Slot | Yes | - | - | Yes | Yes |
| Messaging | |||||
| Email Client | n/a | - | n/a | n/a | n/a |
| Instant Messaging | n/a | - | n/a | n/a | n/a |
| MMS | n/a | - | n/a | n/a | n/a |
| Text Messaging Templates | n/a | - | n/a | n/a | n/a |
| Music | |||||
| Headphone Jack (3.5mm) | - | - | Yes | Yes | Yes |
| Music Player | n/a | - | n/a | n/a | n/a |
| Photo & Video | |||||
| DLNA | - | - | - | Yes | - |
| Miracast | - | - | - | Yes | - |
| TV Output | - | - | Yes | - | - |
| Power | |||||
| Fast Charging | - | - | - | Yes | - |
| Wireless Charging | - | - | - | Yes | - |
| Productivity | |||||
| Alarm | n/a | Yes | n/a | n/a | n/a |
| Calculator | n/a | - | n/a | n/a | n/a |
| Calendar | n/a | - | n/a | n/a | n/a |
| To-Do List | n/a | - | n/a | n/a | n/a |
| Voice Memo | n/a | - | n/a | n/a | n/a |
| Software | |||||
| Games | n/a | - | n/a | n/a | n/a |
| Java (J2ME) | n/a | - | n/a | n/a | n/a |
| Voice | |||||
| HD Voice | - | - | - | Yes | - |
| Speaker Phone | Yes | - | Yes | Yes | Yes |
| * Some versions only | |||||
| Samsung Jack i637 | Ericsson R278d | Apple iPhone 4 (GSM) | Samsung Galaxy S7 | Motorola Citrus | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Jack i637 | Ericsson R278d | Apple iPhone 4 (GSM) | Samsung Galaxy S7 | Motorola Citrus |
