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| Phone | Siemens SL55 | Samsung SGH-X640 | Nokia 2660 | Samsung Galaxy S8+ | ZTE Blade Max 2s |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? | ? | ? |
6.2" diag. 18.5 : 9 |
6" diag. 18 : 9 |
| Display Resolution & Type |
101 x 80 pixels LCD (STN) |
128 x 160 pixels LCD (TFT/TFD) |
128 x 160 pixels LCD (STN) |
1440 x 2960 pixels (~531 ppi) AMOLED |
1080 x 2160 pixels (~402 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | 60 Hz | 60 Hz |
| Battery | 500 mAh | 800 mAh | 700 mAh | 3,500 mAh | 4,000 mAh |
| Processor | ? | ? | ? | 2.3 GHz Qualcomm Snapdragon 835 (MSM8998) | 1.4 GHz Qualcomm Snapdragon 435 (MSM8940) |
| RAM | ? | ? | ? | 4 GB | 2 GB |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | 64 GB | 32 GB |
| Main Camera | - | Yes | - | 12 megapixel | 13 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | - | - | 4K UHD | 1080p HD |
| Front Camera | - | - | - | 8 megapixel | 5 megapixel |
| Weight |
2.79 oz (79g) |
3 oz (85g) |
2.79 oz (79g) |
6.1 oz (173g) |
6.35 oz (180g) |
| Dimensions |
3.21" x 1.75" x 0.86" (82 x 44 x 21.8 mm) |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
3.43" x 1.76" x 0.81" (87 x 45 x 20.6 mm) |
6.28" x 2.89" x 0.32" (160 x 73 x 8.1 mm) |
6.26" x 2.96" x 0.32" (159 x 75 x 8.1 mm) |
| Form Factor | Slide | Clamshell | Clamshell | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | Android | Android |
| Network Bands |
GSM: 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
GSM: 850, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 40, 41, 66 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 3, 4, 5, 7, 12, 13, 25, 26, 41 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
| Data Technology | GPRS | GPRS | EDGE | LTE (Cat 16) | LTE (Cat 6) |
| Features | |||||
| Fingerprint Reader | - | - | - |
Yes stand-alone |
Yes stand-alone |
| Flashlight | - | - | - | Yes | Yes |
| VR-ready | - | - | - | Yes | - |
| Water-Resistant | - | - | - |
Yes IPX8 (SCUBA) |
- |
| Accessibility | |||||
| Hearing Aid Compatible | - | - | - |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | Yes | Yes | n/a | n/a |
| TTY/TDD (Digital) | - | - | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | - | - | Yes | - | - |
| Ringer Profiles | Yes | - | Yes | - | - |
| Connectivity | |||||
| Bluetooth | - | - | Yes | Yes | Yes |
| Infrared (IR) | Yes | - | - | - | - |
| MirrorLink | - | - | - | Yes | - |
| NFC | - | - | - | Yes | - |
| USB | - | - | - |
Yes USB Type C |
Yes USB Type C |
| Wi-Fi | - | - | - |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | |||||
| Picture ID | Yes | Yes | Yes | n/a | n/a |
| Ringer ID | Yes | Yes | - | n/a | n/a |
| Voice Dialing | Yes | - | - | n/a | n/a |
| Customization | |||||
| Custom Graphics | Yes | Yes | Yes | n/a | n/a |
| Custom Ringtones | Yes | Yes | Yes | n/a | n/a |
| Real-Music Ringers | - | - | Yes | n/a | n/a |
| Data & Network | |||||
| Data Tethering | Yes | - | - | n/a | n/a |
| WAP / Web Browser | Yes | Yes | Yes | n/a | n/a |
| Input | |||||
| Predictive Text Entry | Yes | Yes | Yes | n/a | n/a |
| Side Keys | Yes | Yes | - | Yes | Yes |
| Touch Screen | - | - | - |
Yes Capacitive |
Yes Capacitive |
| Memory | |||||
| Memory Card Slot | - | - | - | Yes | Yes |
| Messaging | |||||
| Email Client | Yes | - | Yes | n/a | n/a |
| EMS / Picture Messaging | Yes | Yes | Yes | n/a | n/a |
| Instant Messaging | - | - | Yes * | n/a | n/a |
| MMS | Yes | Yes | Yes | n/a | n/a |
| Text Messaging Templates | Yes | Yes | Yes | n/a | n/a |
| Music | |||||
| FM Radio | - | - | Yes | - | - |
| Headphone Jack (3.5mm) | - | - | - | Yes | Yes |
| Power | |||||
| Fast Charging | - | - | - | Yes | Yes |
| Wireless Charging | - | - | - | Yes | - |
| Productivity | |||||
| Alarm | Yes | Yes | Yes | n/a | n/a |
| Calculator | Yes | Yes | Yes | n/a | n/a |
| Calendar | Yes | Yes | Yes | n/a | n/a |
| To-Do List | Yes | Yes | Yes | n/a | n/a |
| Voice Memo | Yes | Yes | Yes | n/a | n/a |
| Software | |||||
| Games | Yes | Yes | Yes | n/a | n/a |
| Java (J2ME) | Yes | Yes | Yes | n/a | n/a |
| Voice | |||||
| HD Voice | - | - | - | Yes | Yes |
| Headset Jack (2.5 mm) | - | Yes | Yes | n/a | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| * Some versions only | |||||
| Siemens SL55 | Samsung SGH-X640 | Nokia 2660 | Samsung Galaxy S8+ | ZTE Blade Max 2s | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Siemens SL55 | Samsung SGH-X640 | Nokia 2660 | Samsung Galaxy S8+ | ZTE Blade Max 2s |
