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| Phone | Ericsson T66 | Coolpad Defiant | Apple iPhone 4 (GSM) | Boost Celero5G+ (2024) | Ericsson R278d |
| Current U.S. Carriers | (none) | (none) | (none) | Boost | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
5" diag. 16 : 9 |
3.5" diag. 5 : 3 |
7" diag. 20.5 : 9 |
? |
| Display Resolution & Type | ? |
480 x 854 pixels (~196 ppi) LCD (TFT/TFD) |
640 x 960 pixels (~330 ppi) LCD (TFT/TFD) |
1080 x 2460 pixels (~384 ppi) LCD (TFT/TFD) |
101 x 40 pixels |
| Display Refresh | ? | 60 Hz | 60 Hz | 120 Hz | ? |
| Battery | ? | 2,450 mAh | ? | 5,000 mAh | ? |
| Processor | ? | 1.4 GHz Qualcomm Snapdragon 425 (MSM8917) | Apple A4 | 2.5 GHz MediaTek Dimensity 1050 (MT6879) | ? |
| RAM | ? | 1 GB | ? | 8 GB | ? |
| Storage | ? raw hardware | 8 GB | 32 GB * | 256 GB | ? raw hardware |
| Main Camera | - | 5 megapixel | 5 megapixel | 108 megapixel | - |
| Wide Camera | - | - | - | 8 megapixel | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | 720p HD | 720p HD | 1080p HD | - |
| Front Camera | - | 2 megapixel | Yes | 16 megapixel | - |
| Weight |
2.08 oz (59g) |
6.5 oz (184g) |
4.8 oz (136g) |
8.25 oz (234g) |
9.28 oz (263g) |
| Dimensions |
3.62" x 1.61" x 0.69" (92 x 41 x 17.5 mm) |
5.69" x 2.81" x 0.4" (145 x 71 x 10.2 mm) |
4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm) |
7.04" x 3.12" x 0.37" (179 x 79 x 9.4 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 | iOS | Android | (proprietary) |
| Network Bands |
GSM: 900, 1800, 1900 |
4G LTE: 2, 4, 5, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
WCDMA: 1, 2, 5, 8 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 |
TDMA: 850, 1900 AMPS: 850 |
| Data Technology | - | LTE (Cat 4) | HSPA 7.2 | NR (5G) | - |
| Features | |||||
| Barometer | - | - | - | Yes | - |
| Fingerprint Reader | - | - | - |
Yes stand-alone |
- |
| Flashlight | - | Yes | - | Yes | - |
| GPS / Location | - | n/a | n/a | n/a | - |
| Water-Resistant | - | - | - |
Yes IPX8 (SCUBA) |
- |
| Accessibility | |||||
| Adjustable Text Size | - | n/a | n/a | n/a | - |
| Hearing Aid Compatible | - |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
- |
| Multiple Languages | Yes | n/a | n/a | n/a | Yes |
| TTY/TDD (Digital) | - | Yes | Yes | - | - |
| Alerts | |||||
| Ringer Profiles | Yes | - | - | - | Yes |
| Connectivity | |||||
| Bluetooth | - | Yes | Yes | Yes | - |
| Mobile Hotspot | - | n/a | n/a | n/a | - |
| NFC | - | - | - | Yes | - |
| USB | - |
Yes Micro-USB |
Yes |
Yes USB Type C |
- |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
Yes 4 (802.11 b,g,n) |
Yes 6E (802.11 a,ac,ax,b,g,n) |
- |
| Contacts | |||||
| Picture ID | - | n/a | n/a | n/a | - |
| Ringer ID | - | n/a | n/a | n/a | - |
| Voice Dialing | - | 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 | Yes |
| Real-Music Ringers | - | n/a | n/a | n/a | - |
| Data & Network | |||||
| Data Tethering | - | n/a | n/a | n/a | Yes |
| WAP / Web Browser | Yes | n/a | n/a | n/a | Yes |
| Input | |||||
| Predictive Text Entry | Yes | n/a | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Touch Screen | - |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
- |
| Memory | |||||
| Memory Card Slot | - | Yes | - | Yes | - |
| Messaging | |||||
| Email Client | - | n/a | n/a | n/a | - |
| EMS / Picture Messaging | Yes | n/a | n/a | n/a | - |
| MMS | - | n/a | n/a | n/a | - |
| Text Messaging Templates | Yes | n/a | n/a | n/a | - |
| Music | |||||
| FM Radio | - | - | - | Yes | - |
| Headphone Jack (3.5mm) | - | Yes | Yes | Yes | - |
| Music Player | - | n/a | n/a | n/a | - |
| Photo & Video | |||||
| TV Output | - | - | Yes | - | - |
| Power | |||||
| Fast Charging | - | - | - | Yes | - |
| Wireless Charging | - | - | - | Yes | - |
| Productivity | |||||
| Alarm | Yes | n/a | n/a | n/a | Yes |
| Calculator | Yes | n/a | n/a | n/a | - |
| Calendar | Yes | n/a | n/a | n/a | - |
| To-Do List | Yes | n/a | n/a | n/a | - |
| Voice Memo | - | n/a | n/a | n/a | - |
| Software | |||||
| Games | Yes | n/a | n/a | n/a | - |
| Voice | |||||
| HD Voice | - | - | - | Yes | - |
| Speaker Phone | - | Yes | Yes | Yes | - |
| * Some versions only | |||||
| Ericsson T66 | Coolpad Defiant | Apple iPhone 4 (GSM) | Boost Celero5G+ (2024) | Ericsson R278d | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Ericsson T66 | Coolpad Defiant | Apple iPhone 4 (GSM) | Boost Celero5G+ (2024) | Ericsson R278d |
