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| Phone | AT&T Maestro 3 | Motorola E398 | ZTE Max XL | Samsung Galaxy Attain 4G | TCL REVVL 5G |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
6.5" diag. 20 : 9 |
? |
6" diag. 16 : 9 |
3.5" diag. 5 : 3 |
6.5" diag. 19.5 : 9 |
| Display Resolution & Type |
720 x 1600 pixels (~270 ppi) LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
1080 x 1920 pixels (~367 ppi) LCD (TFT/TFD) |
320 x 480 pixels (~165 ppi) LCD (TFT/TFD) |
1080 x 2340 pixels (~395 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | ? | 60 Hz | 60 Hz | 60 Hz |
| Battery | 3,900 mAh | ? | 3,990 mAh | 1,650 mAh | 4,500 mAh |
| Processor | 2 GHz MediaTek Helio A22 (MT6761) | ? | 1.4 GHz Qualcomm Snapdragon 435 (MSM8940) | ? | 2.4 GHz Qualcomm Snapdragon 765 |
| RAM | 3 GB | ? | 2 GB | 512 MB | 6 GB |
| Storage | 32 GB | ? raw hardware | 16 GB | ? raw hardware | 256 GB |
| Main Camera | 13 megapixel | Yes | 13 megapixel | 3 megapixel | 48 megapixel |
| Wide Camera | 5 megapixel | - | - | - | 8 megapixel |
| Tele Camera | - | - | - | - | - |
| Video Capture | 1080p HD | - | 1080p HD | WVGA / 480p | 4K UHD |
| Front Camera | 5 megapixel | - | 5 megapixel | 1 megapixel | 16 megapixel |
| Weight |
6.24 oz (177g) |
3.88 oz (110g) |
6.35 oz (180g) |
4.2 oz (119g) |
7.58 oz (215g) |
| Dimensions |
6.58" x 3.03" x 0.33" (167 x 77 x 8.4 mm) |
4.25" x 1.81" x 0.81" (108 x 46 x 20.6 mm) |
6.5" x 3.3" x 0.37" (165 x 84 x 9.4 mm) |
4.57" x 2.38" x 0.46" (116 x 60 x 11.7 mm) |
6.51" x 3" x 0.37" (165 x 76 x 9.4 mm) |
| Form Factor | Slab | Slab | Slab | Slab | Slab |
| Platform / OS | Android | (proprietary) | Android | Android | Android |
| Network Bands |
4G LTE: 2, 4, 5, 12, 14, 30 |
GSM: 900, 1800, 1900 |
4G LTE: 2, 3, 4, 5, 7, 12, 25, 26, 41 WCDMA: 2, 4, 5 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4 CDMA: 850, 1700, 1900 |
5G: 2, 25, 41, 66, 71 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 20, 25, 26, 28, 38, 39, 40, 41, 66, 71 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
| Data Technology | LTE (Cat 4) | GPRS | LTE (Cat 6) | LTE (Cat 3) | NR (5G) |
| Features | |||||
| Barometer | Yes | - | - | - | - |
| Fingerprint Reader |
Yes stand-alone |
- |
Yes stand-alone |
- |
Yes stand-alone |
| Flashlight | Yes | - | Yes | - | Yes |
| GPS / Location | n/a | - | n/a | n/a | n/a |
| Accessibility | |||||
| Hearing Aid Compatible | Yes | - | Yes | Yes | Yes |
| Multiple Languages | n/a | Yes | n/a | n/a | n/a |
| TTY/TDD (Digital) | - | Yes | Yes | Yes | Yes |
| Alerts | |||||
| Ringer Profiles | - | Yes | - | - | - |
| Connectivity | |||||
| Bluetooth |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
| NFC | - | - | - | - | Yes |
| USB |
Yes USB Type C |
Yes |
Yes USB Type C |
Yes Micro-USB |
Yes USB Type C |
| Wi-Fi |
Yes 5 (802.11 a,ac,b,g,n) |
- |
Yes 5 (802.11 a,ac,b,g,n) |
Yes |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | |||||
| Picture ID | n/a | Yes | n/a | n/a | n/a |
| Ringer ID | n/a | Yes | n/a | n/a | n/a |
| Voice Dialing | n/a | Yes | n/a | n/a | n/a |
| Customization | |||||
| Custom Graphics | n/a | Yes | n/a | n/a | n/a |
| Custom Ringtones | n/a | Yes | n/a | n/a | n/a |
| Real-Music Ringers | n/a | Yes | n/a | n/a | n/a |
| Data & Network | |||||
| Data Tethering | n/a | Yes | n/a | n/a | n/a |
| WAP / Web Browser | n/a | Yes | n/a | n/a | n/a |
| Input | |||||
| Predictive Text Entry | n/a | Yes | n/a | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Touch Screen | Yes | - | Yes | Yes | Yes |
| Memory | |||||
| Memory Card Slot | Yes | Yes | Yes | Yes | Yes |
| Messaging | |||||
| Email Client | n/a | Yes | n/a | n/a | n/a |
| EMS / Picture Messaging | n/a | Yes | n/a | n/a | n/a |
| Instant Messaging | n/a | Yes | n/a | n/a | n/a |
| MMS | n/a | Yes | n/a | n/a | n/a |
| Music | |||||
| FM Radio | - | - | Yes | - | - |
| Headphone Jack (3.5mm) | Yes | - | Yes | Yes | Yes |
| Music Player | n/a | Yes | n/a | n/a | n/a |
| Stereo Speakers | - | Yes | - | - | - |
| Photo & Video | |||||
| DLNA | - | - | - | Yes | - |
| Power | |||||
| Fast Charging | - | - | Yes | - | - |
| Productivity | |||||
| Alarm | n/a | Yes | n/a | n/a | n/a |
| Calculator | n/a | Yes | n/a | n/a | n/a |
| Calendar | n/a | Yes | n/a | n/a | n/a |
| Voice Memo | n/a | Yes | n/a | n/a | n/a |
| Software | |||||
| Games | n/a | Yes * | n/a | n/a | n/a |
| Java (J2ME) | n/a | Yes | n/a | n/a | n/a |
| Voice | |||||
| HD Voice | Yes | - | Yes | - | Yes |
| Headset Jack (2.5 mm) | n/a | Yes | n/a | n/a | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| * Some versions only | |||||
| AT&T Maestro 3 | Motorola E398 | ZTE Max XL | Samsung Galaxy Attain 4G | TCL REVVL 5G | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | AT&T Maestro 3 | Motorola E398 | ZTE Max XL | Samsung Galaxy Attain 4G | TCL REVVL 5G |
