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| Phone | Cal-Comp EZ | Samsung Knack U310 | LG PM-225 | Apple iPhone 4 (GSM) | Motorola Moto Z Force Droid |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
2.2" diag. 4 : 3 |
? |
3.5" diag. 5 : 3 |
5.5" diag. 16 : 9 |
| Display Resolution & Type |
128 x 128 pixels LCD (STN) |
176 x 220 pixels (~128 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (STN) |
640 x 960 pixels (~330 ppi) LCD (TFT/TFD) |
1440 x 2560 pixels (~534 ppi) AMOLED |
| Display Refresh | ? | ? | ? | 60 Hz | 60 Hz |
| Battery | 800 mAh | 1,000 mAh | 1,000 mAh | ? | 3,500 mAh |
| Processor | ? | ? | ? | Apple A4 | 2.2 GHz Qualcomm Snapdragon 820 (MSM8996) |
| RAM | ? | ? | ? | ? | 4 GB |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | 32 GB * | 32 GB * |
| Main Camera | - | - | Yes | 5 megapixel | 20 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | - | - | 720p HD | 4K UHD |
| Front Camera | - | - | - | Yes | 5 megapixel |
| Weight |
2.47 oz (70g) |
3.63 oz (103g) |
3.35 oz (95g) |
4.8 oz (136g) |
5.75 oz (163g) |
| Dimensions |
4.04" x 1.71" x 0.63" (103 x 43 x 16 mm) |
3.78" x 2.01" x 0.74" (96 x 51 x 18.8 mm) |
3.53" x 1.76" x 0.93" (90 x 45 x 23.6 mm) |
4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm) |
6.14" x 2.98" x 0.28" (156 x 76 x 7 mm) |
| Form Factor | Slab | Clamshell | Clamshell | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | iOS | Android |
| Network Bands |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
CDMA: 850, 1900 AMPS: 850 |
WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 3, 4, 5, 7, 13 WCDMA: 1, 2, 5, 8 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 |
| Data Technology | 1xRTT | - | 1xRTT | HSPA 7.2 | LTE (Cat 9) |
| Features | |||||
| Fingerprint Reader | - | - | - | - | Yes |
| Flashlight | - | - | - | - | Yes |
| GPS / Location | Yes | Yes | Yes | n/a | n/a |
| Ruggedized | - | - | - | - | Yes |
| VR-ready | - | - | - | - | Yes |
| Water-Resistant | - | - | - | - | Yes |
| Accessibility | |||||
| Adjustable Text Size | - | Yes | - | n/a | n/a |
| Hearing Aid Compatible | - |
Yes M4, T4 (very tele-coil compatible) |
- |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3, T4 (very tele-coil compatible) |
| Multiple Languages | Yes | Yes | Yes | n/a | n/a |
| TTY/TDD (Digital) | - | Yes | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | - | Yes | Yes | - | - |
| Connectivity | |||||
| Bluetooth | - | - | - | Yes | Yes |
| Mobile Hotspot | - | - | - | n/a | n/a |
| NFC | - | - | - | - | Yes |
| USB |
Yes Mini-USB |
- | Yes | 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 | n/a | n/a |
| Ringer ID | - | - | Yes | n/a | n/a |
| Voice Dialing | - | Yes | Yes | n/a | n/a |
| Customization | |||||
| Custom Graphics | - | - | Yes | n/a | n/a |
| Custom Ringtones | - | - | Yes | n/a | n/a |
| Real-Music Ringers | - | - | - | n/a | n/a |
| Data & Network | |||||
| Data Tethering | - | - | - | n/a | n/a |
| WAP / Web Browser | - | - | Yes | n/a | n/a |
| Input | |||||
| Predictive Text Entry | - | Yes | Yes | n/a | n/a |
| Side Keys | - | Yes | Yes | Yes | Yes |
| Touch Screen | - | - | - |
Yes Capacitive |
Yes |
| Memory | |||||
| Memory Card Slot | - | - | - | - | Yes |
| Messaging | |||||
| Email Client | - | - | - | n/a | n/a |
| EMS / Picture Messaging | - | Yes | - | n/a | n/a |
| MMS | - | - | - | n/a | n/a |
| Text Messaging Templates | Yes | - | - | n/a | n/a |
| Music | |||||
| Headphone Jack (3.5mm) | - | - | - | Yes | - |
| Music Player | - | - | - | n/a | n/a |
| Photo & Video | |||||
| TV Output | - | - | - | Yes | - |
| Power | |||||
| Fast Charging | - | - | - | - | Yes |
| Productivity | |||||
| Alarm | Yes | Yes | Yes | n/a | n/a |
| Calculator | Yes | Yes | Yes | n/a | n/a |
| Calendar | Yes | 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) | - | - | Yes | n/a | n/a |
| Voice | |||||
| HD Voice | - | - | - | - | Yes |
| Headset Jack (2.5 mm) | Yes | Yes | Yes | n/a | n/a |
| Speaker Phone | - | Yes | Yes | Yes | Yes |
| * Some versions only | |||||
| Cal-Comp EZ | Samsung Knack U310 | LG PM-225 | Apple iPhone 4 (GSM) | Motorola Moto Z Force Droid | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Cal-Comp EZ | Samsung Knack U310 | LG PM-225 | Apple iPhone 4 (GSM) | Motorola Moto Z Force Droid |
