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| Phone | Nokia E90 | Siemens A56 / A56i | HTC Merge | ZTE ZMAX Pro | Palm Treo 650 (GSM) |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? | ? |
3.8" diag. 5 : 3 |
6" diag. 16 : 9 |
? |
| Display Resolution & Type |
800 x 352 pixels LCD (TFT/TFD) |
101 x 64 pixels |
480 x 800 pixels (~246 ppi) LCD (TFT/TFD) |
1080 x 1920 pixels (~367 ppi) LCD (TFT/TFD) |
320 x 320 pixels LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz | 60 Hz | ? |
| Battery | 1,500 mAh | 700 mAh | 1,400 mAh | 3,400 mAh | ? |
| Processor | 332 MHz ARM 11 | ? | 800 MHz Qualcomm S2 MSM7630 | 1.5 GHz Qualcomm Snapdragon 617 (MSM8952) | 312 MHz Intel XScale PXA270 |
| RAM | ? | ? | ? | 2 GB | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | 32 GB | ? raw hardware |
| Main Camera | 3 megapixel | - | 5 megapixel | 13 megapixel | Yes |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | VGA (640 x 480) | - | 720p HD | 1080p HD | CIF (352 x 288) |
| Front Camera | - | - | - | 5 megapixel | - |
| Weight |
7.41 oz (210g) |
3 oz (85g) |
6.98 oz (198g) |
6.17 oz (175g) |
6.3 oz (179g) |
| Dimensions |
5.2" x 2.24" x 0.79" (132 x 57 x 20.1 mm) |
4" x 1.7" x 0.8" (102 x 43 x 20.3 mm) |
4.74" x 2.43" x 0.59" (120 x 62 x 15 mm) |
6.5" x 3.3" x 0.35" (165 x 84 x 8.9 mm) |
4.4" x 2.3" x 0.9" (112 x 58 x 22.9 mm) |
| Form Factor | Clamshell | Slab | Slide | Slab | Slab |
| Platform / OS | S60 (Symbian) | (proprietary) | Android | Android | Palm OS |
| Network Bands |
WCDMA: 1 GSM: 850, 900, 1800, 1900 |
GSM: 850, 1900 |
WCDMA: 1 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
GSM: 850, 900, 1800, 1900 |
| Data Technology | HSDPA 3.6 | - | EVDO rA | LTE (Cat 4) | EDGE |
| Features | |||||
| Fingerprint Reader | - | - | - | Yes | - |
| Flashlight | - | - | Yes | Yes | - |
| GPS / Location | n/a | Yes | n/a | n/a | n/a |
| Accessibility | |||||
| Adjustable Text Size | n/a | - | n/a | n/a | n/a |
| Hearing Aid Compatible | - | - | Yes | Yes | - |
| Multiple Languages | n/a | - | n/a | n/a | n/a |
| TTY/TDD (Digital) | - | Yes | - | Yes | - |
| Alerts | |||||
| Extra Display | Yes | - | - | - | - |
| Ringer Profiles | Yes | Yes | - | - | - |
| Connectivity | |||||
| Bluetooth |
Yes Classic Audio |
- |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
| Infrared (IR) | Yes | - | - | - | Yes |
| Mobile Hotspot | n/a | - | n/a | n/a | n/a |
| USB |
Yes Mini-USB |
- | Yes |
Yes USB Type C |
Yes |
| Wi-Fi |
Yes 802.11 b,g |
- |
Yes 4 (802.11 b,g,n) |
Yes 4 (802.11 b,g,n) |
- |
| Contacts | |||||
| Picture ID | n/a | Yes | n/a | n/a | n/a |
| Ringer ID | n/a | Yes | n/a | n/a | n/a |
| Voice Dialing | n/a | - | n/a | n/a | n/a |
| Customization | |||||
| Changeable Body Plates | - | Yes | - | - | - |
| Custom Graphics | n/a | Yes | n/a | n/a | n/a |
| Custom Ringtones | n/a | Yes | n/a | n/a | n/a |
| Real-Music Ringers | n/a | - | n/a | n/a | n/a |
| Data & Network | |||||
| Data Tethering | n/a | - | n/a | n/a | n/a |
| WAP / Web Browser | n/a | Yes | n/a | n/a | n/a |
| Input | |||||
| Predictive Text Entry | n/a | Yes | n/a | n/a | n/a |
| Side Keys | Yes | - | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | - | Yes | - | Yes |
| Touch Screen | - | - | Yes | Yes | Yes |
| Memory | |||||
| Memory Card Slot | Yes | - | Yes | Yes | Yes |
| Messaging | |||||
| Email Client | n/a | - | n/a | n/a | n/a |
| EMS / Picture Messaging | n/a | Yes | n/a | n/a | n/a |
| Instant Messaging | n/a | - | n/a | n/a | n/a |
| MMS | n/a | - | n/a | n/a | n/a |
| Text Messaging Templates | n/a | - | n/a | n/a | n/a |
| Music | |||||
| FM Radio | Yes | - | Yes | Yes | - |
| Headphone Jack (3.5mm) | - | - | Yes | Yes | - |
| Music Player | n/a | - | n/a | n/a | n/a |
| Photo & Video | |||||
| Miracast | - | - | - | Yes | - |
| Video Calling | n/a | - | n/a | n/a | n/a |
| Productivity | |||||
| Alarm | n/a | Yes | n/a | n/a | n/a |
| Calculator | n/a | Yes | n/a | n/a | n/a |
| Calendar | n/a | - | n/a | n/a | n/a |
| To-Do List | n/a | - | n/a | n/a | n/a |
| Voice Memo | n/a | - | n/a | n/a | n/a |
| Software | |||||
| Games | n/a | Yes | n/a | n/a | n/a |
| Java (J2ME) | n/a | - | n/a | n/a | n/a |
| Voice | |||||
| HD Voice | - | - | - | Yes | - |
| Headset Jack (2.5 mm) | n/a | - | n/a | n/a | n/a |
| Push-To-Talk | Yes * | - | - | - | - |
| Speaker Phone | Yes | - | Yes | Yes | Yes |
| * Some versions only | |||||
| Nokia E90 | Siemens A56 / A56i | HTC Merge | ZTE ZMAX Pro | Palm Treo 650 (GSM) | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Nokia E90 | Siemens A56 / A56i | HTC Merge | ZTE ZMAX Pro | Palm Treo 650 (GSM) |











