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| Phone | Nokia Lumia 521 / 520 | Samsung Galaxy A71 5G | Sanyo SCP-3810 / Mirro |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
4" diag. 5 : 3 |
6.7" diag. 20 : 9 |
2.4" diag. 4 : 3 |
| Display Resolution & Type |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
1080 x 2400 pixels (~393 ppi) AMOLED |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? |
| Battery | 1,430 mAh | 4,500 mAh | 1,000 mAh |
| Processor | 1 GHz Qualcomm Snapdragon S4 MSM8270 | 2.4 GHz Qualcomm Snapdragon 765 | ? |
| RAM | 512 MB | 6 GB | ? |
| Storage | 8 GB | 128 GB | ? raw hardware |
| Main Camera | 5 megapixel | 64 megapixel | 1 megapixel |
| Wide Camera | - | 12 megapixel | - |
| Tele Camera | - | - | - |
| Video Capture | 720p HD | 4K UHD | - |
| Front Camera | - | 32 megapixel | - |
| Weight |
4.39 oz (124g) |
6.52 oz (185g) |
3.97 oz (112g) |
| Dimensions |
4.72" x 2.52" x 0.39" (120 x 64 x 9.9 mm) |
6.39" x 2.97" x 0.31" (162 x 75 x 7.9 mm) |
3.82" x 2.01" x 0.71" (97 x 51 x 18.1 mm) |
| Form Factor | Slab | Slab | Clamshell |
| Platform / OS | Windows | Android | (proprietary) |
| Network Bands |
5G: 2, 5, 41, 66, 71, 260, 261 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 66, 71 WCDMA: 1, 2, 4, 5 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
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| Data Technology | HSPA+ 21 | NR (5G) | 1xRTT |
| Features | |||
| Fingerprint Reader | - |
Yes in-display (optical) |
- |
| Flashlight | - | Yes | - |
| GPS / Location | n/a | n/a | Yes |
| Accessibility | |||
| Adjustable Text Size | n/a | n/a | Yes |
| Hearing Aid Compatible |
Yes M3, T4 (very tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
| Multiple Languages | n/a | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes |
| Alerts | |||
| Extra Display | - | - | Yes |
| Connectivity | |||
| Bluetooth | Yes | Yes | Yes |
| Mobile Hotspot | n/a | n/a | - |
| NFC | - | Yes | - |
| USB | Yes |
Yes USB Type C |
Yes Micro-USB |
| Wi-Fi | Yes |
Yes 5 (802.11 a,ac,b,g,n) |
- |
| Contacts | |||
| Picture ID | n/a | n/a | Yes |
| Ringer ID | n/a | n/a | Yes |
| Voice Dialing | n/a | n/a | Yes |
| Customization | |||
| Custom Graphics | n/a | n/a | Yes |
| Custom Ringtones | n/a | n/a | Yes |
| Real-Music Ringers | n/a | n/a | Yes |
| Data & Network | |||
| Data Tethering | n/a | n/a | Yes |
| WAP / Web Browser | n/a | n/a | Yes |
| Input | |||
| Predictive Text Entry | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes |
| Touch Screen |
Yes Capacitive |
Yes Capacitive |
- |
| Memory | |||
| Memory Card Slot | Yes | Yes | - |
| Messaging | |||
| Email Client | n/a | n/a | Yes |
| Instant Messaging | n/a | n/a | Yes |
| MMS | n/a | n/a | - |
| Text Messaging Templates | n/a | n/a | Yes |
| Music | |||
| Headphone Jack (3.5mm) | Yes | Yes | - |
| Music Player | n/a | n/a | - |
| Power | |||
| Fast Charging | - | Yes | - |
| Productivity | |||
| Alarm | n/a | n/a | Yes |
| Calculator | n/a | n/a | Yes |
| Calendar | n/a | n/a | Yes |
| To-Do List | n/a | n/a | Yes |
| Voice Memo | n/a | n/a | Yes |
| Software | |||
| Games | n/a | n/a | Yes |
| Java (J2ME) | n/a | n/a | Yes |
| Voice | |||
| HD Voice | - | Yes | - |
| Headset Jack (2.5 mm) | n/a | n/a | Yes |
| Speaker Phone | Yes | Yes | Yes |
| Nokia Lumia 521 / 520 | Samsung Galaxy A71 5G | Sanyo SCP-3810 / Mirro | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Nokia Lumia 521 / 520 | Samsung Galaxy A71 5G | Sanyo SCP-3810 / Mirro |
