Asus Zenfone 3s Max ZC521TL
| Network | |
| Technology | GSM / HSPA / LTE |
| 2G bands | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G bands | HSDPA 850 / 900 / 1900 / 2100 - Global |
| HSDPA 850 / 900 / 2100 - India | |
| 4G bands | LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 18(800), 19(800), 26(850), 28(700), 38(2600), 41(2500) - Taiwan |
| LTE band 1(2100), 3(1800), 5(850), 8(900), 40(2300) - India | |
| Speed | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps |
| GPRS | Yes |
| EDGE | Yes |
| Launch | |
| Announced | 2017, January |
| Status | Available. Released 2017, February |
| Body | |
| Dimensions | 8.9 mm thickness |
| Weight | 175 g (5.22 oz) |
| SIM | Dual SIM (Micro-SIM/Nano-SIM, dual stand-by) |
| Display | |
| Type | IPS LCD capacitive touchscreen, 16M colors |
| Size | 5.2 inches |
| Resolution | 720 x 1280 pixels (~282 ppi pixel density) |
| Multitouch | Yes |
| 210c - Asus ZenUI 3.0 | |
| Platform | |
| OS | Android 7.0 (Nougat) |
| Chipset | Mediatek MT6750 |
| CPU | Octa-core 1.5 GHz Cortex-A53 |
| GPU | Mali-T860MP2 |
| Memory | |
| Card slot | microSD, up to 256 GB (uses SIM 2 slot) |
| Internal | 32 GB, 3 GB RAM |
| Camera | |
| Primary | 13 MP, f/2.0, autofocus, dual-LED (dual tone) flash |
| Features | Geo-tagging, touch focus, face detection, panorama, HDR |
| Video | 1080p@30fps |
| Secondary | 8 MP |
| Sound | |
| Alert types | Vibration; MP3, WAV ringtones |
| Loudspeaker | Yes |
| 3.5mm jack | Yes |
| - Active noise cancellation with dedicated mic | |
| Comms | |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot |
| Bluetooth | 4.0, A2DP, EDR |
| GPS | Yes, with A-GPS, GLONASS, BDS |
| Radio | FM radio |
| USB | microUSB 2.0, USB On-The-Go |
| Features | |
| Sensors | Fingerprint (front-mounted), accelerometer, gyro, proximity, compass |
| Messaging | SMS(threaded view), MMS, Email, Push Email, IM |
| Browser | HTML5 |
| Java | No |
| - MP3/WAV/eAAC+ player - MP4/H.264 player - Document viewer - Photo/video editor - Power Bank function | |
| Battery | |
| Non-removable Li-Po 5000 mAh battery | |
| Stand-by | Up to 816 h (3G) |
| Talk time | Up to 28 h (3G) |
| Misc | |
| Colors | Gold, Black |
| Price group | 5/10 (About 230 EUR) |
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