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| Phone | TCL 40 XL / Jitterbug Smart 4 | Casio G'zOne Rock | Ericsson R520 | Ericsson T66 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
6.8" diag. 20 : 9 |
2.1" diag. 4 : 3 |
? | ? |
| Display Resolution & Type |
720 x 1600 pixels (~260 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~190 ppi) LCD (TFT/TFD) |
? | ? |
| Display Refresh | 90 Hz | ? | ? | ? |
| Battery | 5,000 mAh | 1,150 mAh | ? | ? |
| Processor | 2.3 GHz MediaTek Helio G37 | ? | ? | ? |
| RAM | 4 GB | ? | ? | ? |
| Storage | 128 GB | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | 50 megapixel | 2 megapixel | - | - |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | 1080p HD | ? | - | - |
| Front Camera | 8 megapixel | - | - | - |
| Weight |
6.88 oz (195g) |
4.4 oz (125g) |
4.23 oz (120g) |
2.08 oz (59g) |
| Dimensions |
6.61" x 3.01" x 0.35" (168 x 76 x 8.8 mm) |
4.1" x 2" x 0.9" (104 x 51 x 22.9 mm) |
5.12" x 1.97" x 0.63" (130 x 50 x 16 mm) |
3.62" x 1.61" x 0.69" (92 x 41 x 17.5 mm) |
| Form Factor | Slab | Clamshell | Slab | Slab |
| Platform / OS | Android | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
4G LTE: 2, 4, 5, 12, 13, 25, 26, 41, 66, 71 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
GSM: 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
| Data Technology | LTE (Cat 6) | EVDO rA | GPRS | - |
| Features | ||||
| Barometer | Yes | - | - | - |
| Fingerprint Reader | Yes | - | - | - |
| Flashlight | Yes | Yes | - | - |
| GPS / Location | n/a | Yes | - | - |
| Ruggedized | - | Yes | - | - |
| Water-Resistant | - | Yes | - | - |
| Accessibility | ||||
| Hearing Aid Compatible | Yes | Yes | - | - |
| Multiple Languages | n/a | Yes | Yes | Yes |
| TTY/TDD (Digital) | Yes | Yes | - | - |
| Alerts | ||||
| Extra Display | - | Yes | - | - |
| Ringer Profiles | - | - | Yes | Yes |
| Connectivity | ||||
| Bluetooth |
Yes Classic Audio |
Yes Classic Audio |
Yes HSP, Sync, OPP, DUN |
- |
| Infrared (IR) | - | - | Yes | - |
| USB |
Yes USB Type C |
Yes | - | - |
| Wi-Fi |
Yes 5 (802.11 a,ac,b,g,n) |
- | - | - |
| Contacts | ||||
| Picture ID | n/a | Yes | - | - |
| Ringer ID | n/a | Yes | - | - |
| Voice Dialing | n/a | Yes | Yes | - |
| Customization | ||||
| Custom Graphics | n/a | Yes | - | Yes |
| Custom Ringtones | n/a | Yes | Yes | Yes |
| Real-Music Ringers | n/a | Yes | - | - |
| Data & Network | ||||
| Data Tethering | n/a | Yes | Yes | - |
| WAP / Web Browser | n/a | Yes | Yes | Yes |
| Input | ||||
| Predictive Text Entry | n/a | Yes | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen | Yes | - | - | - |
| Memory | ||||
| Memory Card Slot | Yes | Yes | - | - |
| Messaging | ||||
| Email Client | n/a | Yes | - | - |
| EMS / Picture Messaging | n/a | - | - | Yes |
| Instant Messaging | n/a | Yes | - | - |
| MMS | n/a | Yes | - | - |
| Text Messaging Templates | n/a | Yes | Yes | Yes |
| Music | ||||
| Headphone Jack (3.5mm) | Yes | - | - | - |
| Music Player | n/a | Yes | - | - |
| Stereo Speakers | Yes | - | - | - |
| Power | ||||
| Fast Charging | Yes | - | - | - |
| Productivity | ||||
| Alarm | n/a | Yes | Yes | Yes |
| Calculator | n/a | Yes | Yes | Yes |
| Calendar | n/a | Yes | Yes | Yes |
| To-Do List | n/a | - | - | Yes |
| Voice Memo | n/a | Yes | Yes | - |
| Software | ||||
| BREW | n/a | Yes | - | - |
| Games | n/a | Yes | Yes | Yes |
| Voice | ||||
| HD Voice | Yes | - | - | - |
| Headset Jack (2.5 mm) | n/a | Yes | - | - |
| Push-To-Talk | - | Yes | - | - |
| Speaker Phone | Yes | Yes | Yes | - |
| TCL 40 XL / Jitterbug Smart 4 | Casio G'zOne Rock | Ericsson R520 | Ericsson T66 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | TCL 40 XL / Jitterbug Smart 4 | Casio G'zOne Rock | Ericsson R520 | Ericsson T66 |










