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| Phone | Sony Ericsson K850 | Boost Celero5G+ (2024) | Huawei Pinnacle | Cricket Debut S2 / AT&T Calypso 4 | Ericsson R278d |
| Current U.S. Carriers | (none) | Boost | (none) | AT&T | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
2.2" diag. 4 : 3 |
7" diag. 20.5 : 9 |
2.4" diag. 4 : 3 |
6.1" diag. 19.5 : 9 |
? |
| Display Resolution & Type |
240 x 320 pixels (~182 ppi) LCD (TFT/TFD) |
1080 x 2460 pixels (~384 ppi) LCD (TFT/TFD) |
320 x 240 pixels (~167 ppi) LCD (TFT/TFD) |
720 x 1560 pixels (~282 ppi) LCD (TFT/TFD) |
101 x 40 pixels |
| Display Refresh | ? | 120 Hz | ? | 60 Hz | ? |
| Battery | ? | 5,000 mAh | 900 mAh | 3,000 mAh | ? |
| Processor | ? | 2.5 GHz MediaTek Dimensity 1050 (MT6879) | Qualcomm QSC6055 | 2 GHz MediaTek Helio A22 (MT6761WB) | ? |
| RAM | ? | 8 GB | ? | 3 GB | ? |
| Storage | ? raw hardware | 256 GB | ? raw hardware | 64 GB | ? raw hardware |
| Main Camera | 5 megapixel | 108 megapixel | 1 megapixel | 8 megapixel | - |
| Wide Camera | - | 8 megapixel | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | ? | 1080p HD | QCIF (176 x 144) | ? | - |
| Front Camera | - | 16 megapixel | - | 5 megapixel | - |
| Weight |
4.2 oz (119g) |
8.25 oz (234g) |
3.53 oz (100g) |
5.64 oz (160g) |
9.28 oz (263g) |
| Dimensions |
4" x 1.9" x 0.7" (102 x 48 x 17.8 mm) |
7.04" x 3.12" x 0.37" (179 x 79 x 9.4 mm) |
4.33" x 2.4" x 0.51" (110 x 61 x 13 mm) |
6.11" x 2.87" x 0.34" (155 x 73 x 8.6 mm) |
5.1" x 2" x 1" (130 x 51 x 25.4 mm) |
| Form Factor | Slab | Slab | Slab | Slab | Slab |
| Platform / OS | (proprietary) | Android | (proprietary) | Android | (proprietary) |
| Network Bands |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
5G: 2, 5, 25, 26, 29, 30, 41, 48, 66, 70, 71, 77-C 4G LTE: 2, 4, 5, 12, 14, 26, 29, 30, 48, 66, 71 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1700, 1900 |
4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30, 66 WCDMA: 1, 2, 4, 5, 8 |
TDMA: 850, 1900 AMPS: 850 |
| Data Technology | HSDPA 3.6 | NR (5G) | 1xRTT | LTE (Cat 4) | - |
| Features | |||||
| Barometer | - | Yes | - | - | - |
| Fingerprint Reader | - |
Yes stand-alone |
- | - | - |
| Flashlight | - | Yes | - | Yes | - |
| GPS / Location | - | n/a | Yes | n/a | - |
| Water-Resistant | - |
Yes IPX8 (SCUBA) |
- | - | - |
| Accessibility | |||||
| Hearing Aid Compatible | - |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
- |
| Multiple Languages | Yes | n/a | Yes | n/a | Yes |
| TTY/TDD (Digital) | Yes | - | Yes | - | - |
| Alerts | |||||
| Ringer Profiles | Yes | - | - | - | Yes |
| Connectivity | |||||
| Bluetooth | Yes | Yes | Yes | Yes | - |
| NFC | - | Yes | - | - | - |
| USB | Yes |
Yes USB Type C |
Yes Micro-USB |
Yes USB Type C |
- |
| Wi-Fi | - |
Yes 6E (802.11 a,ac,ax,b,g,n) |
- |
Yes 5 (802.11 a,ac,b,g,n) |
- |
| Contacts | |||||
| Picture ID | Yes | n/a | Yes | n/a | - |
| Ringer ID | Yes | n/a | Yes | n/a | - |
| Voice Dialing | Yes | n/a | - | n/a | - |
| Customization | |||||
| Custom Graphics | Yes | n/a | Yes | n/a | - |
| Custom Ringtones | Yes | n/a | Yes | n/a | Yes |
| Real-Music Ringers | Yes | n/a | - | n/a | - |
| Data & Network | |||||
| Data Tethering | Yes | n/a | - | n/a | Yes |
| WAP / Web Browser | Yes | n/a | Yes | n/a | Yes |
| Input | |||||
| Predictive Text Entry | Yes | n/a | Yes | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | Yes | - | - |
| Touch Screen | - |
Yes Capacitive |
- |
Yes Capacitive |
- |
| Memory | |||||
| Memory Card Slot | Yes | Yes | Yes | Yes | - |
| Messaging | |||||
| Email Client | Yes | n/a | Yes | n/a | - |
| Instant Messaging | - | n/a | Yes | n/a | - |
| MMS | Yes | n/a | Yes | n/a | - |
| Text Messaging Templates | Yes | n/a | - | n/a | - |
| Music | |||||
| FM Radio | Yes | Yes | - | - | - |
| Headphone Jack (3.5mm) | - | Yes | Yes | Yes | - |
| Music Player | Yes | n/a | Yes | n/a | - |
| Photo & Video | |||||
| Video Calling | Yes * | n/a | - | n/a | - |
| Power | |||||
| Fast Charging | - | Yes | - | Yes | - |
| Wireless Charging | - | Yes | - | - | - |
| Productivity | |||||
| Alarm | Yes | n/a | Yes | n/a | Yes |
| Calculator | Yes | n/a | Yes | n/a | - |
| Calendar | Yes | n/a | Yes | n/a | - |
| To-Do List | Yes | n/a | - | n/a | - |
| Voice Memo | Yes | n/a | Yes | n/a | - |
| Software | |||||
| BREW | - | n/a | Yes | n/a | - |
| Games | Yes | n/a | Yes | n/a | - |
| Java (J2ME) | Yes | n/a | - | n/a | - |
| Voice | |||||
| HD Voice | - | Yes | - | Yes | - |
| Speaker Phone | Yes | Yes | Yes | Yes | - |
| * Some versions only | |||||
| Sony Ericsson K850 | Boost Celero5G+ (2024) | Huawei Pinnacle | Cricket Debut S2 / AT&T Calypso 4 | Ericsson R278d | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Sony Ericsson K850 | Boost Celero5G+ (2024) | Huawei Pinnacle | Cricket Debut S2 / AT&T Calypso 4 | Ericsson R278d |
