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| Phone | Siemens SX66 / MDA III / PDA2K (HTC Blue Angel) | Ericsson T39 | Essential Phone |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size | ? | ? |
5.7" diag. 17.5 : 9 |
| Display Resolution & Type |
240 x 320 pixels LCD (TFT/TFD) |
? LCD (Grayscale) |
1312 x 2560 pixels (~504 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz |
| Battery | 1,490 mAh | ? | 3,040 mAh |
| Processor | 400 MHz Intel XScale | ? | 2.5 GHz Qualcomm Snapdragon 835 (MSM8998) |
| RAM | ? | ? | 4 GB |
| Storage | ? raw hardware | ? raw hardware | 128 GB |
| Main Camera | Yes | - | 13 megapixel |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | QCIF (176 x 144) | - | 4K UHD |
| Front Camera | - | - | 8 megapixel |
| Weight |
7.41 oz (210g) |
3.03 oz (86g) |
6.53 oz (185g) |
| Dimensions |
4.92" x 2.83" x 0.75" (125 x 72 x 19.1 mm) |
3.78" x 1.97" x 0.71" (96 x 50 x 18 mm) |
5.57" x 2.8" x 0.31" (141 x 71 x 7.8 mm) |
| Form Factor | Slide | Flip | Slab |
| Platform / OS | Windows Mobile Professional | (proprietary) | Android |
| Network Bands |
GSM: 850, 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 29, 30, 40, 41, 66 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
| Data Technology | GPRS | GPRS | LTE (Cat 12) |
| Features | |||
| Barometer | - | - | Yes |
| Fingerprint Reader | - | - |
Yes stand-alone |
| Flashlight | - | - | Yes |
| Accessibility | |||
| Hearing Aid Compatible | - | - |
Yes M4, T3 (mostly tele-coil compatible) |
| Multiple Languages | n/a | Yes | n/a |
| TTY/TDD (Digital) | - | - | Yes |
| Alerts | |||
| Ringer Profiles | - | Yes | - |
| Connectivity | |||
| Bluetooth | Yes | Yes | Yes |
| Infrared (IR) | Yes | Yes | - |
| NFC | - | - | Yes |
| USB | Yes | - |
Yes USB Type C |
| Wi-Fi | Yes | - |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | |||
| Picture ID | n/a | - | n/a |
| Voice Dialing | n/a | Yes | n/a |
| Customization | |||
| Custom Graphics | n/a | Yes | n/a |
| Custom Ringtones | n/a | Yes | n/a |
| Data & Network | |||
| Data Tethering | n/a | Yes | n/a |
| WAP / Web Browser | n/a | Yes | n/a |
| Input | |||
| Predictive Text Entry | n/a | Yes | n/a |
| Side Keys | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | - | - |
| Touch Screen | Yes | - |
Yes Capacitive |
| Memory | |||
| Memory Card Slot | Yes | - | - |
| Messaging | |||
| Email Client | n/a | - | n/a |
| MMS | n/a | - | n/a |
| Text Messaging Templates | n/a | Yes | n/a |
| Music | |||
| Music Player | n/a | - | n/a |
| Power | |||
| Fast Charging | - | - | Yes |
| Productivity | |||
| Alarm | n/a | Yes | n/a |
| Calculator | n/a | Yes | n/a |
| Calendar | n/a | Yes | n/a |
| To-Do List | n/a | - | n/a |
| Voice Memo | n/a | Yes | n/a |
| Software | |||
| Games | n/a | Yes | n/a |
| Java (J2ME) | n/a | - | n/a |
| Voice | |||
| Headset Jack (2.5 mm) | n/a | - | n/a |
| Speaker Phone | Yes | - | Yes |
| * Some versions only | |||
| Siemens SX66 / MDA III / PDA2K (HTC Blue Angel) | Ericsson T39 | Essential Phone | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Siemens SX66 / MDA III / PDA2K (HTC Blue Angel) | Ericsson T39 | Essential Phone |
