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| Phone | T-Mobile REVVL 6 Pro 5G / REVVL 6x Pro 5G | Cricket Debut S2 / AT&T Calypso 4 | Samsung Galaxy S21 FE 5G | Samsung Transform |
| Current U.S. Carriers | (none) | AT&T | Verizon | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
6.8" diag. 20.5 : 9 |
6.1" diag. 19.5 : 9 |
6.4" diag. 19.5 : 9 |
3.5" diag. 5 : 3 |
| Display Resolution & Type |
720 x 1640 pixels (~263 ppi) LCD (TFT/TFD) |
720 x 1560 pixels (~282 ppi) LCD (TFT/TFD) |
1080 x 2340 pixels (~403 ppi) AMOLED |
320 x 480 pixels (~165 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | 60 Hz | 120 Hz | 60 Hz |
| Battery | 5,000 mAh | 3,000 mAh | 4,500 mAh | 1,500 mAh |
| Processor | MediaTek Dimensity 700 (MT6833) | 2 GHz MediaTek Helio A22 (MT6761WB) | Qualcomm Snapdragon 888 | 800 MHz Samsung S3C6410, Qualcomm QSC6085 |
| RAM | 6 GB | 3 GB | 6 GB * | ? |
| Storage | 128 GB * | 64 GB | 128 GB * | ? raw hardware |
| Main Camera | 50 megapixel | 8 megapixel | 12 megapixel | 3 megapixel |
| Wide Camera | 5 megapixel | - | 12 megapixel | - |
| Tele Camera | - | - | 8 megapixel | - |
| Video Capture | 2K / Quad HD | ? | 4K UHD | QVGA (320 x 240) |
| Front Camera | 16 megapixel | 5 megapixel | 32 megapixel | Yes |
| Weight |
7.47 oz (212g) |
5.64 oz (160g) |
6.24 oz (177g) |
5.37 oz (152g) |
| Dimensions |
6.84" x 3.05" x 0.35" (174 x 77 x 8.9 mm) |
6.11" x 2.87" x 0.34" (155 x 73 x 8.6 mm) |
6.13" x 2.93" x 0.31" (156 x 75 x 7.9 mm) |
4.61" x 2.42" x 0.61" (117 x 61 x 15.5 mm) |
| Platform / OS | Android | Android | Android | Android |
| Network Bands |
5G: 25, 41, 66, 71, 77-C 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 20, 25, 26, 28, 38, 39, 40, 41, 66, 71 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30, 66 WCDMA: 1, 2, 4, 5, 8 |
5G: 2, 5, 12, 25, 30, 41, 66, 71, 77-C, 260, 261 4G LTE: 2, 4, 5, 7, 12, 13, 14, 25, 26, 29, 30, 38, 41, 48, 66, 71 WCDMA: 2, 4, 5 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
| Data Technology | NR (5G) | LTE (Cat 4) | NR (5G) | EVDO rA |
| Features | ||||
| Barometer | Yes | - | Yes | - |
| Fingerprint Reader |
Yes stand-alone |
- |
Yes in-display (optical) |
- |
| Flashlight | Yes | Yes | Yes | - |
| Water-Resistant | - | - |
Yes IPX8 (SCUBA) |
- |
| Accessibility | ||||
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
| TTY/TDD (Digital) | Yes | - | Yes | Yes |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| NFC | Yes | - | Yes | - |
| USB |
Yes USB Type C |
Yes USB Type C |
Yes USB Type C |
Yes Micro-USB |
| Wi-Fi |
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) |
Yes 4 (802.11 b,g,n) |
| Input | ||||
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | - | Yes |
| Touch Screen |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | Yes | Yes | - | Yes |
| Music | ||||
| Headphone Jack (3.5mm) | Yes | Yes | - | Yes |
| Stereo Speakers | - | - | Yes | - |
| Photo & Video | ||||
| TV Output | - | - | Yes | - |
| Power | ||||
| Fast Charging | Yes | Yes | Yes | - |
| Wireless Charging | Yes | - | Yes | - |
| Voice | ||||
| HD Voice | Yes | Yes | Yes | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| T-Mobile REVVL 6 Pro 5G / REVVL 6x Pro 5G | Cricket Debut S2 / AT&T Calypso 4 | Samsung Galaxy S21 FE 5G | Samsung Transform | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | T-Mobile REVVL 6 Pro 5G / REVVL 6x Pro 5G | Cricket Debut S2 / AT&T Calypso 4 | Samsung Galaxy S21 FE 5G | Samsung Transform |
