| Hardware and OS Asus Zenfone 2 ZE551ML |
| Operating system: | Android 5.0 (Lollipop), upgradable to 6.0 (Marshmallow) |
| Processor: | Quad-core 2.3 GHz (4 GB RAM model)
-Quad-core 1.8 GHz (2 GB RAM model) |
| Chipset: | Intel Atom Z3580 (4 GB RAM model)
-Intel Atom Z3560 (2 GB RAM model) |
| GPU: | PowerVR G6430 |
| Internal memory: | 16/32/64 GB, 2/4 GB RAM |
| External memory: | microSD, up to 256 GB (dedicated slot) |
| Display Asus Zenfone 2 ZE551ML |
| Type: | IPS LCD |
| Size: | 5.5" inc |
| Resolution: | 1080 x 1920 px |
| Protection: | Corning Gorilla Glass 3 |
| Touchscreen: | capacitive touchscreen |
| Screen-to-Body Ratio: | 70.8% |
| Display area: | 83.4 cm2 |
| Display aspect ratio: | 16:9 (height:width) |
| Pixel Density: | 401 PPI |
| Colors: | 16M |
| Connectivity Asus Zenfone 2 ZE551ML |
| 2G Network: | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network: | HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network: | LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 8(900), 9(1800), 18(800), 19(800), 28(700) - Taiwan |
| Wi-Fi: | Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, hotspot |
| Network: | GSM / HSPA / LTE |
| SIM card: | Dual SIM (Micro-SIM, dual stand-by) |
| Bluetooth: | 4.0, A2DP, EDR |
| Edge: | Yes |
| GPRS: | Yes |
| GPS: | Yes, with A-GPS, GLONASS |
| NFC: | Yes |
| Speed: | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps |
| USB: | microUSB 2.0, USB Host |
| Camera Asus Zenfone 2 ZE551ML |
| Main camera: | 13 MP,
Single |
| Specs: | 13 MP, AF, f/2.0 |
| Features: | Dual-LED dual-tone flash, panorama, HDR |
| Video: | 1080p@30fps |
| Selfie camera: | 5 MP,
Single |
| Specs: | 5 MP, f/2.0 |
| Multimedia Asus Zenfone 2 ZE551ML |
| 3.5 mm Jack: | Yes |
| Radio: | FM radio, RDS |
| Design Asus Zenfone 2 ZE551ML |
| Colors: | Osmium Black, Sheer Gold, Glacier Gray, Glamor Red, Ceramic White |
| Body build: | Plastic body |
| Dimensions: | 152.5 x 77.2 x 10.9 mm |
| Weight: | 170 g |
| Battery Asus Zenfone 2 ZE551ML |
| Battery capacity: | 3000 mAh, Non-removable Li-Po |
| Other Asus Zenfone 2 ZE551ML |
| SAR: | SAR EU - 0.35 W/kg (head) |
| Release date: | 2015, January |
| Sensors: | Accelerometer, gyro, proximity, compass |
