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| Phone | Sanyo S1 | Samsung SCH-A690 | Visible Midnight | ZTE Z221 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Not yet released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
1.7" diag. 4 : 3 |
? |
6.5" diag. 20 : 9 |
2" diag. 4 : 3 |
| Display Resolution & Type |
128 x 160 pixels (~121 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (STN) |
720 x 1600 pixels (~269 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~200 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz | ? |
| Battery | 840 mAh | 1,300 mAh | 4,000 mAh | 900 mAh |
| Processor | ? | ? | MediaTek Helio P22 (MT6762) | ? |
| RAM | ? | ? | 3 GB | ? |
| Storage | ? raw hardware | ? raw hardware | 32 GB | 142 MB |
| Main Camera | - | - | 13 megapixel | Yes |
| Wide Camera | - | - | 5 megapixel | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | - | 1080p HD | QCIF (176 x 144) |
| Front Camera | - | - | 8 megapixel | - |
| Weight |
2.5 oz (71g) |
4.3 oz (122g) |
6.35 oz (180g) |
3.24 oz (92g) |
| Dimensions |
4.39" x 1.77" x 0.44" (112 x 45 x 11.2 mm) |
3.64" x 1.93" x 1.02" (92 x 49 x 25.9 mm) |
6.53" x 3" x 0.34" (166 x 76 x 8.6 mm) |
3.76" x 1.92" x 0.73" (96 x 49 x 18.5 mm) |
| Form Factor | Slab | Clamshell | Slab | Clamshell |
| Platform / OS | (proprietary) | (proprietary) | Android | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
4G LTE: 2, 4, 5, 7, 12, 13, 66 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | 1xRTT | 1xRTT | LTE (Cat 4) | HSDPA 3.6 |
| Features | ||||
| Fingerprint Reader | - | - |
Yes stand-alone |
- |
| Flashlight | - | - | Yes | - |
| GPS / Location | Yes | Yes | n/a | Yes |
| Accessibility | ||||
| Hearing Aid Compatible | - | - |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | Yes | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | - | Yes |
| Alerts | ||||
| Extra Display | - | Yes | - | Yes |
| Ringer Profiles | - | - | - | Yes |
| Connectivity | ||||
| Bluetooth | Yes | - | Yes | Yes |
| USB |
Yes Micro-USB |
- |
Yes USB Type C |
Yes |
| Wi-Fi | - | - |
Yes 5 (802.11 a,ac,b,g,n) |
- |
| Contacts | ||||
| Picture ID | Yes | - | n/a | - |
| Ringer ID | Yes | - | n/a | - |
| Voice Dialing | Yes | Yes | n/a | - |
| Customization | ||||
| Custom Graphics | Yes | - | n/a | Yes |
| Custom Ringtones | Yes | Yes | n/a | Yes |
| Real-Music Ringers | - | - | n/a | Yes |
| Data & Network | ||||
| Data Tethering | Yes | Yes | n/a | - |
| External Antenna Jack | Yes | - | n/a | - |
| WAP / Web Browser | Yes | Yes | n/a | Yes |
| Input | ||||
| Predictive Text Entry | Yes | Yes | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen | - | - |
Yes Capacitive |
- |
| Memory | ||||
| Memory Card Slot | - | - | Yes | - |
| Messaging | ||||
| Email Client | - | - | n/a | Yes |
| Instant Messaging | - | - | n/a | Yes |
| MMS | - | - | n/a | Yes |
| Text Messaging Templates | Yes | Yes | n/a | Yes |
| Music | ||||
| Headphone Jack (3.5mm) | - | - | Yes | - |
| Power | ||||
| Wireless Charging | - | - | Yes | - |
| Productivity | ||||
| Alarm | Yes | Yes | n/a | Yes |
| Calculator | Yes | Yes | n/a | Yes |
| Calendar | Yes | Yes | n/a | Yes |
| To-Do List | - | Yes | n/a | - |
| Voice Memo | Yes | Yes | n/a | Yes |
| Software | ||||
| BREW | - | Yes | n/a | - |
| Games | Yes | Yes | n/a | Yes |
| Java (J2ME) | Yes | - | n/a | Yes |
| Voice | ||||
| Call Screening | Yes | Yes | - | - |
| HD Voice | - | - | Yes | - |
| Headset Jack (2.5 mm) | Yes | Yes | n/a | - |
| Push-To-Talk | - | Yes | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Sanyo S1 | Samsung SCH-A690 | Visible Midnight | ZTE Z221 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Sanyo S1 | Samsung SCH-A690 | Visible Midnight | ZTE Z221 |
