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| Phone | AT&T Calypso | HMD Vibe | Visible Midnight | Nokia XR21 |
| Current U.S. Carriers | (none) | Tracfone | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
5.5" diag. 18 : 9 |
6.6" diag. 20 : 9 |
6.5" diag. 20 : 9 |
6.5" diag. 20 : 9 |
| Display Resolution & Type |
480 x 960 pixels (~195 ppi) LCD (TFT/TFD) |
720 x 1612 pixels (~269 ppi) LCD (TFT/TFD) |
720 x 1600 pixels (~269 ppi) LCD (TFT/TFD) |
1080 x 2400 pixels (~406 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | 90 Hz | 60 Hz | 60 Hz |
| Battery | 2,500 mAh | 4,000 mAh | 4,000 mAh | 4,800 mAh |
| Processor | 1.5 GHz MediaTek MT6739 | Snapdragon 680 | MediaTek Helio P22 (MT6762) | Snapdragon 695 |
| RAM | 1 GB | 6 GB | 3 GB | 6 GB |
| Storage | 16 GB | 128 GB | 32 GB | 128 GB |
| Main Camera | 5 megapixel | 13 megapixel | 13 megapixel | 64 megapixel |
| Wide Camera | - | - | 5 megapixel | 8 megapixel |
| Tele Camera | - | - | - | - |
| Video Capture | 1080p HD | 1080p HD | 1080p HD | 1080p HD |
| Front Camera | 5 megapixel | 5 megapixel | 8 megapixel | 16 megapixel |
| Weight |
6 oz (170g) |
6.53 oz (185g) |
6.35 oz (180g) |
8.16 oz (231g) |
| Dimensions |
5.91" x 2.87" x 0.39" (150 x 73 x 9.9 mm) |
6.45" x 2.96" x 0.33" (164 x 75 x 8.5 mm) |
6.53" x 3" x 0.34" (166 x 76 x 8.6 mm) |
6.61" x 3.09" x 0.41" (168 x 78 x 10.4 mm) |
| Platform / OS | Android | Android | Android | Android |
| Network Bands |
4G LTE: 2, 4, 5, 12, 14, 30 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4, 5, 12, 13, 66 WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4, 5, 7, 12, 13, 66 |
5G: 1, 2, 3, 5, 7, 20, 25, 28, 40, 41, 66, 71, 77-C, 78, 79, 260, 261 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 20, 25, 26, 28, 32, 38, 39, 40, 41, 42, 43, 48, 66, 71 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
| Data Technology | LTE (Cat 4) | LTE (Cat 13) | LTE (Cat 4) | NR (5G) |
| Features | ||||
| Barometer | - | Yes | - | Yes |
| Fingerprint Reader | - | - |
Yes stand-alone |
Yes stand-alone |
| Flashlight | Yes | Yes | Yes | Yes |
| Ruggedized | - | - | - | Yes |
| Water-Resistant | - |
Yes IPX2 (drip) |
- |
Yes IPX8 (SCUBA) |
| Accessibility | ||||
| Hearing Aid Compatible |
Yes M3, T4 (very tele-coil compatible) |
Yes Hearing Aid Compatible (HAC-2019 / M3, T3) |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
| TTY/TDD (Digital) | Yes | - | - | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| NFC | - | - | - | Yes |
| USB |
Yes USB Type C |
Yes USB Type C |
Yes USB Type C |
Yes USB Type C |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
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 Capacitive |
Yes Capacitive |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | Yes | Yes | Yes | - |
| Music | ||||
| FM Radio | - | Yes | - | Yes |
| Headphone Jack (3.5mm) | Yes | Yes | Yes | Yes |
| Power | ||||
| Fast Charging | - | Yes | - | Yes |
| Wireless Charging | - | - | Yes | - |
| Voice | ||||
| HD Voice | Yes | Yes | Yes | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| AT&T Calypso | HMD Vibe | Visible Midnight | Nokia XR21 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | AT&T Calypso | HMD Vibe | Visible Midnight | Nokia XR21 |
