Compare Phones
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| Phone | Samsung SGH-D307 | Ericsson R520 | HTC EVO Shift 4G | Samsung SCH-U620 | ZTE Z221 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? | ? |
3.6" diag. 5 : 3 |
? |
2" diag. 4 : 3 |
| Display Resolution & Type |
176 x 220 pixels LCD (TFT/TFD) |
? |
480 x 800 pixels (~259 ppi) LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
240 x 320 pixels (~200 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz | ? | ? |
| Battery | ? | ? | 1,500 mAh | 1,000 mAh | 900 mAh |
| Processor | ? | ? | 800 MHz Qualcomm S2 MSM7630 | ? | ? |
| RAM | ? | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware | 142 MB |
| Main Camera | - | - | 5 megapixel | 1 megapixel | Yes |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | - | 720p HD | QVGA (320 x 240) | QCIF (176 x 144) |
| Front Camera | - | - | - | - | - |
| Weight |
4.3 oz (122g) |
4.23 oz (120g) |
5.87 oz (166g) |
3.74 oz (106g) |
3.24 oz (92g) |
| Dimensions |
3.7" x 1.9" x 0.85" (94 x 48 x 21.6 mm) |
5.12" x 1.97" x 0.63" (130 x 50 x 16 mm) |
4.6" x 2.32" x 0.61" (117 x 59 x 15.5 mm) |
3.78" x 1.85" x 0.87" (96 x 47 x 22.1 mm) |
3.76" x 1.92" x 0.73" (96 x 49 x 18.5 mm) |
| Form Factor | Clamshell | Slab | Slide | Slide | Clamshell |
| Platform / OS | (proprietary) | (proprietary) | Android | (proprietary) | (proprietary) |
| Network Bands |
GSM: 850, 1800, 1900 |
GSM: 900, 1800, 1900 |
4G WiMAX: 41 CDMA: 850, 1900 |
CDMA: 850, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | EDGE | GPRS | WiMAX | EVDO r0 | HSDPA 3.6 |
| Features | |||||
| Flashlight | - | - | Yes | - | - |
| GPS / Location | - | - | n/a | Yes | Yes |
| Accessibility | |||||
| Hearing Aid Compatible | Yes | - | Yes | Yes | Yes |
| Multiple Languages | Yes | Yes | n/a | Yes | Yes |
| TTY/TDD (Digital) | Yes | - | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | Yes | - | - | - | Yes |
| Ringer Profiles | - | Yes | - | - | Yes |
| Connectivity | |||||
| Bluetooth |
Yes Classic Audio |
Yes HSP, Sync, OPP, DUN |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
| Infrared (IR) | - | Yes | - | - | - |
| Mobile Hotspot | - | - | n/a | - | - |
| USB | Yes | - |
Yes Micro-USB |
Yes | Yes |
| Wi-Fi | - | - |
Yes 4 (802.11 b,g,n) |
- | - |
| Contacts | |||||
| Picture ID | Yes | - | n/a | Yes | - |
| Ringer ID | Yes | - | n/a | Yes | - |
| Voice Dialing | Yes | Yes | n/a | Yes | - |
| Customization | |||||
| Custom Graphics | Yes | - | n/a | Yes | Yes |
| Custom Ringtones | Yes | Yes | n/a | Yes | Yes |
| Real-Music Ringers | Yes | - | n/a | - | Yes |
| Data & Network | |||||
| Data Tethering | Yes | Yes | n/a | - | - |
| WAP / Web Browser | Yes | Yes | n/a | Yes | Yes |
| Input | |||||
| Predictive Text Entry | Yes | Yes | n/a | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | - | Yes | - | - |
| Touch Screen | - | - | Yes | - | - |
| Memory | |||||
| Memory Card Slot | - | - | Yes | Yes | - |
| Messaging | |||||
| Email Client | Yes | - | n/a | - | Yes |
| EMS / Picture Messaging | Yes | - | n/a | - | - |
| Instant Messaging | - | - | n/a | Yes | Yes |
| MMS | Yes | - | n/a | Yes | Yes |
| Text Messaging Templates | Yes | Yes | n/a | Yes | Yes |
| Music | |||||
| FM Radio | - | - | Yes | - | - |
| Headphone Jack (3.5mm) | - | - | Yes | - | - |
| Music Player | - | - | n/a | Yes | - |
| Stereo Speakers | - | - | - | Yes | - |
| Productivity | |||||
| Alarm | Yes | Yes | n/a | Yes | Yes |
| Calculator | Yes | Yes | n/a | Yes | Yes |
| Calendar | Yes | Yes | n/a | Yes | Yes |
| To-Do List | Yes | - | n/a | - | - |
| Voice Memo | Yes | Yes | n/a | Yes | Yes |
| Software | |||||
| BREW | - | - | n/a | Yes | - |
| Games | Yes | Yes | n/a | Yes | Yes |
| Java (J2ME) | Yes | - | n/a | - | Yes |
| Voice | |||||
| Headset Jack (2.5 mm) | - | - | n/a | Yes | - |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| Samsung SGH-D307 | Ericsson R520 | HTC EVO Shift 4G | Samsung SCH-U620 | ZTE Z221 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-D307 | Ericsson R520 | HTC EVO Shift 4G | Samsung SCH-U620 | ZTE Z221 |
