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| Phone | Samsung SCH-A990 | HTC TyTN / 8525 / JasJam (Hermes) | Ericsson T66 | Microsoft Surface Duo 2 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? | ? |
8.3" diag. 4 : 3 |
| Display Resolution & Type |
240 x 320 pixels LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
? |
2688 x 1892 pixels (~396 ppi) AMOLED |
| Display Refresh | ? | ? | ? | 90 Hz |
| Battery | 1,000 mAh | 1,350 mAh | ? | 4,449 mAh |
| Processor | ? | 400 MHz Samsung | ? | Qualcomm Snapdragon 888 |
| RAM | ? | ? | ? | 8 GB |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | 128 GB * |
| Main Camera | 3 megapixel | 2 megapixel | - | 12 megapixel |
| Wide Camera | - | - | - | 16 megapixel |
| Tele Camera | - | - | - | 12 megapixel |
| Video Capture | ? | CIF (352 x 288) | - | 4K UHD |
| Front Camera | - | - | - | 12 megapixel |
| Weight |
4.4 oz (125g) |
6.21 oz (176g) |
2.08 oz (59g) |
10.02 oz (284g) |
| Dimensions |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
4.43" x 2.28" x 0.86" (113 x 58 x 21.8 mm) |
3.62" x 1.61" x 0.69" (92 x 41 x 17.5 mm) |
5.72" x 3.63" x 0.43" (145 x 92 x 11 mm) |
| Form Factor | Clamshell | Slide | Slab | Unique |
| Platform / OS | (proprietary) | Windows Mobile Professional | (proprietary) | Android |
| Network Bands |
CDMA: 850, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
5G: 1, 2, 3, 5, 7, 20, 25, 28, 38, 41, 66, 71, 77-C, 78, 257, 260, 261 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 48, 66, 71 WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900 |
| Data Technology | EVDO r0 | HSDPA 1.8 | - | NR (5G) |
| Features | ||||
| Fingerprint Reader | - | - | - |
Yes stand-alone |
| Flashlight | Yes | - | - | Yes |
| GPS / Location | Yes | n/a | - | n/a |
| Accessibility | ||||
| Adjustable Text Size | - | n/a | - | n/a |
| Hearing Aid Compatible |
Yes M3 (mostly compatible) |
- | - |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | n/a | Yes | n/a |
| TTY/TDD (Digital) | Yes | Yes | - | - |
| Alerts | ||||
| Extra Display | Yes | - | - | - |
| Ringer Profiles | - | - | Yes | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | - | Yes |
| Infrared (IR) | - | Yes | - | - |
| NFC | - | - | - | Yes |
| USB | Yes |
Yes Mini-USB |
- |
Yes USB Type C |
| Wi-Fi | - |
Yes * 802.11 b,g |
- |
Yes 6 (802.11 a,ac,ax,b,g,n) |
| Contacts | ||||
| Picture ID | Yes | n/a | - | n/a |
| Ringer ID | Yes | n/a | - | n/a |
| Voice Dialing | Yes | n/a | - | n/a |
| Customization | ||||
| Custom Graphics | Yes | n/a | Yes | n/a |
| Custom Ringtones | Yes | n/a | Yes | n/a |
| Real-Music Ringers | Yes | n/a | - | n/a |
| Data & Network | ||||
| Data Tethering | Yes | n/a | - | n/a |
| Dual-SIM | - | - | - | Yes |
| External Antenna Jack | - | n/a | - | n/a |
| WAP / Web Browser | Yes | n/a | Yes | n/a |
| Input | ||||
| Predictive Text Entry | Yes | n/a | Yes | n/a |
| Side Keys | Yes | 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 |
| EMS / Picture Messaging | Yes | n/a | Yes | n/a |
| Instant Messaging | - | n/a | - | n/a |
| MMS | Yes | n/a | - | n/a |
| Text Messaging Templates | Yes | n/a | Yes | n/a |
| Music | ||||
| Music Player | Yes | n/a | - | n/a |
| Stereo Speakers | Yes | - | - | Yes |
| Photo & Video | ||||
| Miracast | - | - | - | Yes |
| TV Output | Yes | - | - | Yes |
| Video Calling | - | n/a | - | n/a |
| Power | ||||
| Fast Charging | - | - | - | Yes |
| Productivity | ||||
| Alarm | Yes | n/a | Yes | n/a |
| Calculator | Yes | n/a | Yes | n/a |
| Calendar | Yes | n/a | Yes | n/a |
| To-Do List | - | n/a | Yes | n/a |
| Voice Memo | Yes | n/a | - | n/a |
| Software | ||||
| BREW | Yes | n/a | - | n/a |
| Games | Yes | n/a | Yes | n/a |
| Java (J2ME) | - | n/a | - | n/a |
| Voice | ||||
| HD Voice | - | - | - | Yes |
| Push-To-Talk | - | Yes * | - | - |
| Speaker Phone | Yes | Yes | - | Yes |
| * Some versions only | ||||
| Samsung SCH-A990 | HTC TyTN / 8525 / JasJam (Hermes) | Ericsson T66 | Microsoft Surface Duo 2 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SCH-A990 | HTC TyTN / 8525 / JasJam (Hermes) | Ericsson T66 | Microsoft Surface Duo 2 |
