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| Phone | ZTE Valet | BlackBerry 8820 | Samsung Galaxy Fold | Samsung SCH-A990 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
3.5" diag. 5 : 3 |
? |
7.3" diag. 4 : 3 |
? |
| Display Resolution & Type |
320 x 480 pixels (~165 ppi) LCD (TFT/TFD) |
320 x 240 pixels LCD (TFT/TFD) |
1536 x 2152 pixels (~362 ppi) AMOLED |
240 x 320 pixels LCD (TFT/TFD) |
| Display Refresh | 60 Hz | ? | 60 Hz | ? |
| Battery | 1,500 mAh | 1,400 mAh | 4,380 mAh | 1,000 mAh |
| Processor | 1 GHz Qualcomm Snapdragon S1 MSM7625A | ? | 2.8 GHz Qualcomm Snapdragon 855 | ? |
| RAM | 512 MB | ? | 12 GB | ? |
| Storage | 4 GB | ? raw hardware | 512 GB | ? raw hardware |
| Main Camera | 3 megapixel | - | 12 megapixel | 3 megapixel |
| Wide Camera | - | - | 16 megapixel | - |
| Tele Camera | - | - | 12 megapixel | - |
| Video Capture | VGA (640 x 480) | - | 4K UHD | ? |
| Front Camera | - | - | 10 megapixel | - |
| Weight |
4.57 oz (130g) |
4.73 oz (134g) |
9.74 oz (276g) |
4.4 oz (125g) |
| Dimensions |
4.65" x 2.46" x 0.48" (118 x 62 x 12.2 mm) |
4.49" x 2.6" x 0.55" (114 x 66 x 14 mm) |
6.33" x 2.47" x 0.67" (161 x 63 x 17 mm) |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
| Form Factor | Slab | Slab | Foldable | Clamshell |
| Platform / OS | Android | BlackBerry OS | Android | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
GSM: 850, 900, 1800, 1900 |
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 |
CDMA: 850, 1900 |
| Data Technology | EVDO rA | EDGE | LTE (Cat 18) | EVDO r0 |
| Features | ||||
| Barometer | - | - | Yes | - |
| Fingerprint Reader | - | - |
Yes stand-alone |
- |
| Flashlight | - | - | Yes | Yes |
| GPS / Location | n/a | n/a | n/a | Yes |
| Accessibility | ||||
| Adjustable Text Size | n/a | n/a | n/a | - |
| Hearing Aid Compatible |
Yes M4, T4 (very tele-coil compatible) |
- |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M3 (mostly compatible) |
| Multiple Languages | n/a | n/a | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | - | - | Yes | Yes |
| Ringer Profiles | - | Yes | - | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| MirrorLink | - | - | Yes | - |
| NFC | - | - | Yes | - |
| USB | Yes |
Yes Mini-USB |
Yes USB Type C |
Yes |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
Yes |
Yes 6 (802.11 a,ac,ax,b,g,n) |
- |
| Contacts | ||||
| Picture ID | n/a | n/a | n/a | Yes |
| Ringer ID | n/a | n/a | n/a | Yes |
| Voice Dialing | n/a | n/a | n/a | Yes |
| Customization | ||||
| Custom Graphics | n/a | n/a | n/a | Yes |
| Custom Ringtones | n/a | n/a | n/a | Yes |
| Real-Music Ringers | n/a | n/a | n/a | Yes |
| Data & Network | ||||
| Data Tethering | n/a | n/a | n/a | Yes |
| Dual-SIM | - | - | Yes | - |
| WAP / Web Browser | n/a | n/a | n/a | Yes |
| Input | ||||
| Predictive Text Entry | n/a | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - | - |
| Touch Screen |
Yes Capacitive |
- |
Yes Capacitive |
- |
| Memory | ||||
| Memory Card Slot | Yes | Yes | - | Yes |
| Messaging | ||||
| Email Client | n/a | n/a | n/a | - |
| EMS / Picture Messaging | n/a | n/a | n/a | Yes |
| Instant Messaging | n/a | n/a | n/a | - |
| MMS | n/a | n/a | n/a | Yes |
| Text Messaging Templates | n/a | n/a | n/a | Yes |
| Music | ||||
| Headphone Jack (3.5mm) | Yes | - | - | - |
| Music Player | n/a | n/a | n/a | Yes |
| Stereo Speakers | - | - | Yes | Yes |
| Photo & Video | ||||
| TV Output | - | - | Yes | Yes |
| Power | ||||
| Fast Charging | - | - | Yes | - |
| Wireless Charging | - | - | Yes | - |
| Productivity | ||||
| Alarm | n/a | n/a | n/a | Yes |
| Calculator | n/a | n/a | n/a | Yes |
| Calendar | n/a | n/a | n/a | Yes |
| Voice Memo | n/a | n/a | n/a | Yes |
| Software | ||||
| BREW | n/a | n/a | n/a | Yes |
| Games | n/a | n/a | n/a | Yes |
| Voice | ||||
| HD Voice | - | - | Yes | - |
| Push-To-Talk | - | Yes * | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| ZTE Valet | BlackBerry 8820 | Samsung Galaxy Fold | Samsung SCH-A990 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Valet | BlackBerry 8820 | Samsung Galaxy Fold | Samsung SCH-A990 |
