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| Phone | AT&T Maestro 3 | TCL 30 5G | Samsung SCH-i830 / IP-830w | Nokia Lumia 521 / 520 | Apple iPhone 3G |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Not yet released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
6.5" diag. 20 : 9 |
6.7" diag. 20 : 9 |
? |
4" diag. 5 : 3 |
3.5" diag. 5 : 3 |
| Display Resolution & Type |
720 x 1600 pixels (~270 ppi) LCD (TFT/TFD) |
1080 x 2400 pixels (~393 ppi) AMOLED |
240 x 320 pixels LCD (TFT/TFD) |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
320 x 480 pixels (~165 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | 60 Hz | ? | ? | 60 Hz |
| Battery | 3,900 mAh | 5,010 mAh | ? | 1,430 mAh | ? |
| Processor | 2 GHz MediaTek Helio A22 (MT6761) | 2.2 GHz MediaTek Dimensity 700 (MT6833) | 520 MHz Intel Bulverde | 1 GHz Qualcomm Snapdragon S4 MSM8270 | ? |
| RAM | 3 GB | 4 GB | ? | 512 MB | ? |
| Storage | 32 GB | 128 GB | ? raw hardware | 8 GB | 16 GB * |
| Main Camera | 13 megapixel | 50 megapixel | - | 5 megapixel | 2 megapixel |
| Wide Camera | 5 megapixel | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | 1080p HD | 1080p HD | - | 720p HD | - |
| Front Camera | 5 megapixel | 13 megapixel | - | - | - |
| Weight |
6.24 oz (177g) |
6.49 oz (184g) |
6.44 oz (183g) |
4.39 oz (124g) |
4.7 oz (133g) |
| Dimensions |
6.58" x 3.03" x 0.33" (167 x 77 x 8.4 mm) |
6.48" x 2.96" x 0.3" (165 x 75 x 7.6 mm) |
4.49" x 2.28" x 0.97" (114 x 58 x 24.6 mm) |
4.72" x 2.52" x 0.39" (120 x 64 x 9.9 mm) |
4.52" x 2.44" x 0.49" (115 x 62 x 12.4 mm) |
| Platform / OS | Android | Android | Windows Mobile Professional | Windows | iOS |
| Network Bands |
4G LTE: 2, 4, 5, 12, 14, 30 |
5G: 2, 5, 7, 25, 28, 38, 41, 66, 71, 77-C, 78 4G LTE: 1, 2, 3, 4, 5, 7, 12, 13, 20, 25, 26, 28, 29, 38, 40, 41, 42, 48, 66, 71 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 GSM: 900, 1800 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
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| Data Technology | LTE (Cat 4) | NR (5G) | EVDO r0 | HSPA+ 21 | HSDPA 3.6 |
| Features | |||||
| Barometer | Yes | Yes | - | - | - |
| Fingerprint Reader |
Yes stand-alone |
Yes stand-alone |
- | - | - |
| Flashlight | Yes | Yes | - | - | - |
| Accessibility | |||||
| Hearing Aid Compatible |
Yes M4, T4 (very tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
- |
Yes M3, T4 (very tele-coil compatible) |
- |
| TTY/TDD (Digital) | - | Yes | Yes | Yes | Yes |
| Alerts | |||||
| Ringer Profiles | - | - | Yes | - | - |
| Connectivity | |||||
| Bluetooth | Yes | Yes | Yes | Yes | Yes |
| Infrared (IR) | - | - | Yes | - | - |
| NFC | - | Yes | - | - | - |
| USB |
Yes USB Type C |
Yes USB Type C |
Yes | Yes | Yes |
| Wi-Fi |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
- | Yes |
Yes 802.11 b,g |
| Input | |||||
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | Yes | - | - |
| Touch Screen |
Yes Capacitive |
Yes Capacitive |
Yes |
Yes Capacitive |
Yes Capacitive |
| Memory | |||||
| Memory Card Slot | Yes | Yes | Yes | Yes | - |
| Music | |||||
| FM Radio | - | Yes | - | - | - |
| Headphone Jack (3.5mm) | Yes | Yes | - | Yes | Yes |
| Stereo Speakers | - | - | Yes | - | - |
| Photo & Video | |||||
| TV Output | - | - | - | - | Yes |
| Power | |||||
| Fast Charging | - | Yes | - | - | - |
| Voice | |||||
| HD Voice | Yes | Yes | - | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| AT&T Maestro 3 | TCL 30 5G | Samsung SCH-i830 / IP-830w | Nokia Lumia 521 / 520 | Apple iPhone 3G | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | AT&T Maestro 3 | TCL 30 5G | Samsung SCH-i830 / IP-830w | Nokia Lumia 521 / 520 | Apple iPhone 3G |
