| Local Name | Zenfone 2 ZE550ML |
| Technology | GSM / HSPA / LTE |
| 4G Bands | LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 8(900), 28(700) - Taiwan | LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 20(800) - Global | LTE band 1(2100), 3(1800), 38(2600), 39(1900), 40(2300), 41(2500) - China & India |
| 3G Bands | HSDPA 850 / 900 / 1900 / 2100 | TD-SCDMA - China & India |
| 2G Bands | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| Speed | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps |
| GPRS | Yes |
| EDGE | Yes |
| Announced | 2015, March |
| Status | Available. Released 2015, March |
| Dimensions | 152.5 x 77.2 x 10.9 mm (6.00 x 3.04 x 0.43 in) |
| Weight | 170 g (6.00 oz) |
| SIM | Dual SIM (Micro-SIM, dual stand-by, dual active) |
| Display Type | IPS capacitive touchscreen, 16M colors |
| Screen Size | 5.5 inches (~70.8% screen-to-body ratio) |
| Resolution | 720 x 1280 pixels (~267 ppi pixel density) |
| Mulitouch | Yes |
| Protection | Corning Gorilla Glass 3 | Asus ZenUI |
| OS | Android OS, v5.0 (Lollipop), upgradable to v6.0 (Marshmallow) |
| Chipset | Intel Atom Z3560 |
| CPU | Quad-core 1.8 GHz |
| GPU | PowerVR G6430 |
| Card Slot | microSD, up to 256 GB (dedicated slot) |
| Internal Memory | 16 GB, 2 GB RAM |
| Primary Camera | 13 MP, f/2.0, autofocus, dual-LED (dual tone) flash |
| Camera Features | Geo-tagging, touch focus, face detection, panorama, HDR |
| Video | 1080p@30fps |
| Secondary Camera | 5 MP, f/2.0 |
| Alert Types | Vibration; MP3, WAV ringtones |
| Loudspeaker | Yes |
| 3.5mm Jack | Yes |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, hotspot |
| Bluetooth | v4.0, A2DP, EDR |
| GPS | Yes, with A-GPS, GLONASS |
| Radio | FM radio |
| USB | microUSB v2.0, USB Host |
| Sensors | Accelerometer, proximity, compass |
| Messaging | SMS(threaded view), MMS, Email, Push Email, IM |
| Browser | HTML5 |
| Java | No |
| Features Summary | 5GB free lifetime ASUS WebStorage, MP3/WAV/eAAC+ player, MP4/H.264 player, Document viewer, Photo/video editor |
| Battery | Non-removable Li-Po 3000 mAh battery |
| Colors | Osmium Black, Glamor Red, Ceramic White |
| SAR EU | 0.35 W/kg (head) |
