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| Phone | LG AX-390 / UX-390 | BlackBerry 7750 | HTC Dash / S620 / S621 (Excalibur) | HMD Skyline |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? | ? |
6.6" diag. 20 : 9 |
| Display Resolution & Type |
128 x 128 pixels LCD (STN) |
240 x 240 pixels LCD (Color) |
320 x 240 pixels LCD (TFT/TFD) |
1080 x 2400 pixels (~402 ppi) AMOLED |
| Display Refresh | ? | ? | ? | 144 Hz |
| Battery | 1,000 mAh | ? | 960 mAh | 4,600 mAh |
| Processor | ? | ? | 200 MHz OMAP 850 | Snapdragon 7s Gen 2 |
| RAM | ? | ? | ? | 8 GB * |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | 128 GB * |
| Main Camera | - | - | 1 megapixel | 108 megapixel |
| Wide Camera | - | - | - | 13 megapixel |
| Tele Camera | - | - | - | 50 megapixel |
| Video Capture | - | - | ? | 4K UHD |
| Front Camera | - | - | - | 50 megapixel |
| Weight |
3.74 oz (106g) |
5.01 oz (142g) |
4.23 oz (120g) |
7.39 oz (210g) |
| Dimensions |
3.82" x 1.98" x 0.94" (97 x 50 x 23.9 mm) |
4.76" x 3.03" x 0.71" (121 x 77 x 18 mm) |
4.39" x 2.46" x 0.51" (112 x 62 x 13 mm) |
6.29" x 2.98" x 0.35" (160 x 76 x 8.9 mm) |
| Form Factor | Clamshell | Slab | Slab | Slab |
| Platform / OS | (proprietary) | BlackBerry OS | Windows Mobile Standard | Android |
| Network Bands |
CDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1900 |
GSM: 850, 900, 1800, 1900 |
5G: 1, 2, 3, 5, 7, 8, 20, 25, 28, 38, 40, 41, 48, 66, 71, 77-A, 77-C, 78 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 20, 25, 26, 28, 32, 38, 40, 41, 66, 71 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
| Data Technology | 1xRTT | 1xRTT | EDGE | NR (5G) |
| Features | ||||
| Barometer | - | - | - | Yes |
| Fingerprint Reader | - | - | - |
Yes stand-alone |
| Flashlight | - | - | - | Yes |
| GPS / Location | Yes | n/a | n/a | n/a |
| Water-Resistant | - | - | - |
Yes IPX4 (splash) |
| Accessibility | ||||
| Adjustable Text Size | - | n/a | n/a | n/a |
| Hearing Aid Compatible |
Yes M3 (mostly compatible) |
- | - |
Yes Hearing Aid Compatible (HAC-2019 / M3, T3) |
| Multiple Languages | Yes | n/a | n/a | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | - |
| Alerts | ||||
| Extra Display | Yes | - | - | - |
| Ringer Profiles | - | Yes | Yes | - |
| Connectivity | ||||
| Bluetooth | - | - | Yes | Yes |
| NFC | - | - | - | Yes |
| USB | - | Yes | Yes |
Yes USB Type C |
| Wi-Fi | - | - |
Yes 802.11 b,g |
Yes 6E (802.11 a,ac,ax,b,g,n) |
| Contacts | ||||
| Picture ID | Yes | n/a | n/a | n/a |
| Ringer ID | - | n/a | n/a | n/a |
| Voice Dialing | Yes | n/a | n/a | n/a |
| Customization | ||||
| Custom Graphics | Yes | n/a | n/a | n/a |
| Custom Ringtones | Yes | n/a | n/a | n/a |
| Real-Music Ringers | Yes | n/a | n/a | n/a |
| Data & Network | ||||
| Data Tethering | - | n/a | n/a | n/a |
| Dual-SIM | - | - | - | Yes |
| External Antenna Jack | - | n/a | n/a | n/a |
| WAP / Web Browser | Yes | n/a | n/a | n/a |
| Input | ||||
| Predictive Text Entry | Yes | n/a | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | Yes | - |
| Touch Screen | - | - | - |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | - | - | Yes | Yes |
| Messaging | ||||
| Email Client | - | n/a | n/a | n/a |
| Instant Messaging | - | n/a | n/a | n/a |
| MMS | Yes | n/a | n/a | n/a |
| Music | ||||
| Music Player | - | n/a | n/a | n/a |
| Photo & Video | ||||
| Miracast | - | - | - | Yes |
| Power | ||||
| Fast Charging | - | - | - | Yes |
| Wireless Charging | - | - | - | Yes |
| Productivity | ||||
| Alarm | Yes | n/a | n/a | n/a |
| Calculator | Yes | n/a | n/a | n/a |
| Calendar | Yes | n/a | n/a | n/a |
| To-Do List | - | n/a | n/a | n/a |
| Voice Memo | Yes | n/a | n/a | n/a |
| Software | ||||
| BREW | Yes | n/a | n/a | n/a |
| Games | Yes | n/a | n/a | n/a |
| Java (J2ME) | - | n/a | n/a | n/a |
| Voice | ||||
| HD Voice | - | - | - | Yes |
| Headset Jack (2.5 mm) | Yes | n/a | n/a | n/a |
| Push-To-Talk | Yes | - | - | - |
| Speaker Phone | Yes | - | Yes | Yes |
| * Some versions only | ||||
| LG AX-390 / UX-390 | BlackBerry 7750 | HTC Dash / S620 / S621 (Excalibur) | HMD Skyline | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | LG AX-390 / UX-390 | BlackBerry 7750 | HTC Dash / S620 / S621 (Excalibur) | HMD Skyline |
