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| Phone | ZTE Prelude / Avail 2 | Nokia E66 | Samsung SPH-i550 | Samsung Galaxy Fold |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Not yet released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
3.5" diag. 5 : 3 |
2.4" diag. 4 : 3 |
? |
7.3" diag. 4 : 3 |
| Display Resolution & Type |
320 x 480 pixels (~165 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
320 x 320 pixels LCD (TFT/TFD) |
1536 x 2152 pixels (~362 ppi) AMOLED |
| Display Refresh | 60 Hz | ? | ? | 60 Hz |
| Battery | 1,500 mAh | 1,000 mAh | ? | 4,380 mAh |
| Processor | 1 GHz Qualcomm Snapdragon MSM7225A | ? | 200 MHz Motorola MX-1 | 2.8 GHz Qualcomm Snapdragon 855 |
| RAM | 512 MB | ? | ? | 12 GB |
| Storage | 4 GB | ? raw hardware | ? raw hardware | 512 GB |
| Main Camera | 2 megapixel | 3 megapixel | 1 megapixel | 12 megapixel |
| Wide Camera | - | - | - | 16 megapixel |
| Tele Camera | - | - | - | 12 megapixel |
| Video Capture | VGA (640 x 480) | QVGA (320 x 240) | ? | 4K UHD |
| Front Camera | - | - | - | 10 megapixel |
| Weight |
4.4 oz (125g) |
4.27 oz (121g) |
? |
9.74 oz (276g) |
| Dimensions |
4.6" x 2.44" x 0.45" (117 x 62 x 11.4 mm) |
4.21" x 1.93" x 0.51" (107 x 49 x 13 mm) |
3.46" x 2.34" x 1.1" (88 x 59 x 27.9 mm) |
6.33" x 2.47" x 0.67" (161 x 63 x 17 mm) |
| Platform / OS | Android | S60 (Symbian) | Palm OS | Android |
| Network Bands |
WCDMA: 2, 5 GSM: 850, 1900 |
CDMA: 850, 1900 AMPS: 850 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 34, 38, 39, 40, 41, 46, 66, 71 WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900 |
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| Data Technology | HSPA 7.2 | HSDPA 3.6 | 1xRTT | LTE (Cat 18) |
| Features | ||||
| Barometer | - | - | - | Yes |
| Fingerprint Reader | - | - | - |
Yes stand-alone |
| Flashlight | - | - | - | Yes |
| Accessibility | ||||
| Hearing Aid Compatible |
Yes M3, T4 (very tele-coil compatible) |
- | - |
Yes M4, T3 (mostly tele-coil compatible) |
| TTY/TDD (Digital) | Yes | - | Yes | Yes |
| Alerts | ||||
| Extra Display | - | - | Yes | Yes |
| Ringer Profiles | - | Yes | - | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | - | Yes |
| Infrared (IR) | - | Yes | Yes | - |
| MirrorLink | - | - | - | Yes |
| NFC | - | - | - | Yes |
| USB | Yes |
Yes Micro-USB |
- |
Yes USB Type C |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
Yes 802.11 b,g |
- |
Yes 6 (802.11 a,ac,ax,b,g,n) |
| Data & Network | ||||
| Dual-SIM | - | - | - | Yes |
| Input | ||||
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen |
Yes Capacitive |
- | Yes |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | Yes | Yes | Yes | - |
| Music | ||||
| FM Radio | - | Yes | - | - |
| Headphone Jack (3.5mm) | Yes | - | - | - |
| Stereo Speakers | - | - | - | Yes |
| Photo & Video | ||||
| TV Output | - | - | - | Yes |
| Power | ||||
| Fast Charging | - | - | - | Yes |
| Wireless Charging | - | - | - | Yes |
| Voice | ||||
| HD Voice | - | - | - | Yes |
| Speaker Phone | Yes | Yes | - | Yes |
| ZTE Prelude / Avail 2 | Nokia E66 | Samsung SPH-i550 | Samsung Galaxy Fold | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Prelude / Avail 2 | Nokia E66 | Samsung SPH-i550 | Samsung Galaxy Fold |
