| Local Name | Zenfone Zoom ZX551ML |
| Additional Information | For Europe |
| Technology | GSM / HSPA / LTE |
| 4G Bands | LTE band 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 9(1800), 18(800), 19(800), 28(700) |
| 3G Bands | HSDPA 850 / 900 / 1900 / 2100 |
| 2G Bands | GSM 850 / 900 / 1800 / 1900 |
| Speed | HSPA 42.2/5.76 Mbps, LTE Cat4+ 250/50 Mbps |
| GPRS | Yes |
| EDGE | Yes |
| Announced | 2015, September |
| Status | Available. Released 2015, December |
| Dimensions | 158.9 x 78.8 x 12 mm (6.26 x 3.10 x 0.47 in) |
| Weight | 185 g (6.53 oz) |
| SIM | Micro-SIM |
| Display Type | IPS LCD capacitive touchscreen, 16M colors |
| Screen Size | 5.5 inches (~66.6% screen-to-body ratio) |
| Resolution | 1080 x 1920 pixels (~401 ppi pixel density) |
| Mulitouch | Yes |
| Protection | Corning Gorilla Glass 4 | ASUS ZenUI |
| OS | Android 5.0 (Lollipop), upgradable to 6.0 (Marshmallow) |
| Chipset | Intel Atom Z3590 |
| CPU | Quad-core 2.5 GHz |
| GPU | PowerVR G6430 |
| Card Slot | microSD, up to 256 GB (dedicated slot) |
| Internal Memory | 32/64/128 GB, 4 GB RAM |
| Primary Camera | 13 MP, f/2.7-4.8, 28-84mm (3x optical zoom), laser autofocus, OIS, 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 | 4.0, A2DP, EDR |
| GPS | Yes, with A-GPS, GLONASS, BDS |
| NFC | Yes |
| Radio | No |
| USB | microUSB 2.0 |
| Sensors | Accelerometer, gyro, proximity, compass |
| Messaging | SMS(threaded view), MMS, Email, Push Email, IM |
| Browser | HTML5 |
| Java | No |
| Features Summary | Fast battery charging: 60% in 40 min, 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 | Pure Black, Ceramic White |
