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| Phone | Palm Treo 600 (CDMA) | HTC Desire 612 (CDMA) | ZTE Z221 |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size | ? |
4.7" diag. 16 : 9 |
2" diag. 4 : 3 |
| Display Resolution & Type |
160 x 160 pixels LCD (Color) |
540 x 960 pixels (~234 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~200 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? |
| Battery | ? | 2,040 mAh | 900 mAh |
| Processor | ? | 1.2 GHz Qualcomm Snapdragon 400 (MSM8926) | ? |
| RAM | ? | 1 GB | ? |
| Storage | ? raw hardware | 8 GB | 142 MB |
| Main Camera | Yes | 8 megapixel | Yes |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | - | 1080p HD | QCIF (176 x 144) |
| Front Camera | - | 1 megapixel | - |
| Weight |
6.2 oz (176g) |
5.15 oz (146g) |
3.24 oz (92g) |
| Dimensions |
4.41" x 2.36" x 0.87" (112 x 60 x 22.1 mm) |
5.66" x 2.77" x 0.37" (144 x 70 x 9.4 mm) |
3.76" x 1.92" x 0.73" (96 x 49 x 18.5 mm) |
| Form Factor | Slab | Slab | Clamshell |
| Platform / OS | Palm OS | Android | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
4G LTE: 4, 13 CDMA: 850, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | 1xRTT | LTE (Cat 3) | HSDPA 3.6 |
| Features | |||
| GPS / Location | n/a | n/a | Yes |
| Accessibility | |||
| Adjustable Text Size | n/a | n/a | - |
| Hearing Aid Compatible | - |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | n/a | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes |
| Alerts | |||
| Extra Display | - | - | Yes |
| Ringer Profiles | - | - | Yes |
| Connectivity | |||
| Bluetooth | - | Yes | Yes |
| Infrared (IR) | Yes | - | - |
| Mobile Hotspot | n/a | n/a | - |
| NFC | - | Yes | - |
| USB | Yes |
Yes Micro-USB |
Yes |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
- |
| Contacts | |||
| Picture ID | n/a | n/a | - |
| Ringer ID | n/a | n/a | - |
| Voice Dialing | n/a | n/a | - |
| Customization | |||
| Custom Graphics | n/a | n/a | Yes |
| Custom Ringtones | n/a | n/a | Yes |
| Real-Music Ringers | n/a | n/a | Yes |
| Data & Network | |||
| Data Tethering | n/a | n/a | - |
| WAP / Web Browser | n/a | n/a | Yes |
| Input | |||
| Predictive Text Entry | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | - | - |
| Touch Screen | Yes |
Yes Capacitive |
- |
| Memory | |||
| Memory Card Slot | Yes | Yes | - |
| Messaging | |||
| Email Client | n/a | n/a | Yes |
| Instant Messaging | n/a | n/a | Yes |
| MMS | n/a | n/a | Yes |
| Text Messaging Templates | n/a | n/a | Yes |
| Music | |||
| Headphone Jack (3.5mm) | - | Yes | - |
| Music Player | n/a | n/a | - |
| Stereo Speakers | - | Yes | - |
| Photo & Video | |||
| DLNA | - | Yes | - |
| Productivity | |||
| Alarm | n/a | n/a | Yes |
| Calculator | n/a | n/a | Yes |
| Calendar | n/a | n/a | Yes |
| To-Do List | n/a | n/a | - |
| Voice Memo | n/a | n/a | Yes |
| Software | |||
| Games | n/a | n/a | Yes |
| Java (J2ME) | n/a | n/a | Yes |
| Voice | |||
| Headset Jack (2.5 mm) | n/a | n/a | - |
| Speaker Phone | Yes | Yes | Yes |
| Palm Treo 600 (CDMA) | HTC Desire 612 (CDMA) | ZTE Z221 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Palm Treo 600 (CDMA) | HTC Desire 612 (CDMA) | ZTE Z221 |
