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| Phone | Samsung SGH-A157 | Ericsson T39 | HTC TyTN / 8525 / JasJam (Hermes) | Samsung Freeform III / Comment |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
1.8" diag. 4 : 3 |
? | ? |
2.4" diag. 4 : 3 |
| Display Resolution & Type |
128 x 160 pixels (~116 ppi) LCD (TFT/TFD) |
? LCD (Grayscale) |
240 x 320 pixels LCD (TFT/TFD) |
320 x 240 pixels (~167 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? |
| Battery | 800 mAh | ? | 1,350 mAh | 1,000 mAh |
| Processor | ? | ? | 400 MHz Samsung | ? |
| RAM | ? | ? | ? | ? |
| Storage | 256 MB | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | - | - | 2 megapixel | 1 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | - | CIF (352 x 288) | - |
| Front Camera | - | - | - | - |
| Weight |
2.99 oz (85g) |
3.03 oz (86g) |
6.21 oz (176g) |
3.35 oz (95g) |
| Dimensions |
3.83" x 1.84" x 0.65" (97 x 47 x 16.5 mm) |
3.78" x 1.97" x 0.71" (96 x 50 x 18 mm) |
4.43" x 2.28" x 0.86" (113 x 58 x 21.8 mm) |
4.41" x 2.4" x 0.43" (112 x 61 x 10.9 mm) |
| Form Factor | Clamshell | Flip | Slide | Slab |
| Platform / OS | (proprietary) | (proprietary) | Windows Mobile Professional | (proprietary) |
| Network Bands |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1700, 1900 |
| Data Technology | ? | GPRS | HSDPA 1.8 | 1xRTT |
| Features | ||||
| GPS / Location | Yes | - | n/a | Yes |
| Accessibility | ||||
| Adjustable Text Size | Yes | - | n/a | - |
| Hearing Aid Compatible | Yes | - | - | Yes |
| Multiple Languages | Yes | Yes | n/a | Yes |
| TTY/TDD (Digital) | Yes | - | Yes | Yes |
| Alerts | ||||
| Ringer Profiles | Yes | Yes | - | - |
| Connectivity | ||||
| Bluetooth | - |
Yes HSP, DUN, OPP, Sync |
Yes Classic Audio |
Yes Classic Audio |
| Infrared (IR) | - | Yes | Yes | - |
| USB |
Yes Micro-USB |
- |
Yes Mini-USB |
Yes Micro-USB |
| Wi-Fi | - | - |
Yes * 802.11 b,g |
- |
| Contacts | ||||
| Picture ID | Yes | - | n/a | Yes |
| Ringer ID | Yes | - | n/a | Yes |
| Voice Dialing | - | Yes | n/a | Yes |
| Customization | ||||
| Custom Graphics | Yes | Yes | n/a | Yes |
| Custom Ringtones | Yes | Yes | n/a | Yes |
| Real-Music Ringers | Yes | - | n/a | Yes |
| Data & Network | ||||
| Data Tethering | - | Yes | n/a | - |
| External Antenna Jack | - | - | n/a | - |
| WAP / Web Browser | Yes | Yes | n/a | Yes |
| Input | ||||
| Predictive Text Entry | Yes | Yes | n/a | Yes |
| Side Keys | - | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | Yes | Yes |
| Touch Screen | - | - | Yes | - |
| Memory | ||||
| Memory Card Slot | - | - | Yes | Yes |
| Messaging | ||||
| Email Client | - | - | n/a | Yes |
| Instant Messaging | - | - | n/a | Yes |
| MMS | Yes | - | n/a | Yes |
| Text Messaging Templates | Yes | Yes | n/a | - |
| Music | ||||
| Headphone Jack (3.5mm) | - | - | - | Yes |
| Music Player | - | - | n/a | Yes |
| Photo & Video | ||||
| Video Calling | - | - | n/a | - |
| 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 | - | - | n/a | Yes |
| Games | - | Yes | n/a | Yes |
| Java (J2ME) | - | - | n/a | - |
| Voice | ||||
| Push-To-Talk | - | - | Yes * | - |
| Speaker Phone | Yes | - | Yes | Yes |
| * Some versions only | ||||
| Samsung SGH-A157 | Ericsson T39 | HTC TyTN / 8525 / JasJam (Hermes) | Samsung Freeform III / Comment | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-A157 | Ericsson T39 | HTC TyTN / 8525 / JasJam (Hermes) | Samsung Freeform III / Comment |
