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| Phone | LG K4 / Optimus Zone 3 / Rebel | Apple iPhone 12 Pro | Nokia Lumia 521 / 520 | Apple iPhone 6 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
4.5" diag. 16 : 9 |
6.1" diag. 19.5 : 9 |
4" diag. 5 : 3 |
4.7" diag. 16 : 9 |
| Display Resolution & Type |
480 x 854 pixels (~218 ppi) LCD (TFT/TFD) |
1170 x 2532 pixels (~457 ppi) AMOLED |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
750 x 1334 pixels (~326 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | 60 Hz | ? | 60 Hz |
| Battery | 1,940 mAh | 2,815 mAh | 1,430 mAh | 1,810 mAh |
| Processor | 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) | Apple A14 Bionic | 1 GHz Qualcomm Snapdragon S4 MSM8270 | Apple A8 |
| RAM | 1.5 GB | 6 GB | 512 MB | 1 GB |
| Storage | 16 GB * | 128 GB * | 8 GB | 16 GB * |
| Main Camera | 5 megapixel | 12 megapixel | 5 megapixel | 8 megapixel |
| Wide Camera | - | 12 megapixel | - | - |
| Tele Camera | - | 12 megapixel | - | - |
| Video Capture | 720p HD | 4K UHD | 720p HD | 1080p HD |
| Front Camera | 2 megapixel | 12 megapixel | - | 1 megapixel |
| Weight |
3.99 oz (113g) |
6.66 oz (189g) |
4.39 oz (124g) |
4.55 oz (129g) |
| Dimensions |
5.19" x 2.62" x 0.35" (132 x 67 x 8.9 mm) |
5.78" x 2.82" x 0.29" (147 x 72 x 7.4 mm) |
4.72" x 2.52" x 0.39" (120 x 64 x 9.9 mm) |
5.44" x 2.64" x 0.27" (138 x 67 x 6.9 mm) |
| Platform / OS | Android | iOS | Windows | iOS |
| Network Bands |
5G: 1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 38, 40, 41, 66, 71, 77-C, 78, 260, 261 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 32, 34, 38, 39, 40, 41, 46, 48, 66, 71 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 13, 17, 25, 26, 41 WCDMA: 1, 2, 4, 5, 8 CDMA: 850, 1700, 1900 GSM: 850, 900, 1800, 1900 |
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| Data Technology | LTE (Cat 3) | NR (5G) | HSPA+ 21 | LTE (Cat 4) |
| Features | ||||
| Barometer | - | Yes | - | - |
| Fingerprint Reader | - | - | - | Yes |
| Flashlight | Yes | Yes | - | - |
| Water-Resistant | - |
Yes IPX8 (SCUBA) |
- | - |
| Accessibility | ||||
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3, T4 (very tele-coil compatible) |
Yes M3, T4 (very tele-coil compatible) |
Yes M3, T4 (very tele-coil compatible) |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| NFC | - | Yes | - | Yes |
| USB |
Yes Micro-USB |
Yes | Yes | Yes |
| UWB | - | Yes | - | - |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
Yes 6 (802.11 a,ac,ax,b,g,n) |
Yes |
Yes 5 (802.11 a,ac,b,g,n) |
| Data & Network | ||||
| Dual-SIM | - | Yes | - | - |
| Input | ||||
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | Yes | - | Yes | - |
| Music | ||||
| Headphone Jack (3.5mm) | Yes | - | Yes | Yes |
| Stereo Speakers | - | Yes | - | - |
| Photo & Video | ||||
| Miracast | Yes | - | - | - |
| TV Output | - | Yes | - | Yes |
| Power | ||||
| Fast Charging | - | Yes | - | - |
| Wireless Charging | - | Yes | - | - |
| Voice | ||||
| HD Voice | Yes * | Yes | - | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| LG K4 / Optimus Zone 3 / Rebel | Apple iPhone 12 Pro | Nokia Lumia 521 / 520 | Apple iPhone 6 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | LG K4 / Optimus Zone 3 / Rebel | Apple iPhone 12 Pro | Nokia Lumia 521 / 520 | Apple iPhone 6 |
