2015, January
Zenfone 2 ZE551ML
Chipset
Intel Atom Z3580 (4 GB RAM model)Intel Atom Z3560 (2 GB RAM model)
Battery
Non-removable Li-Po 3000 mAh battery
OS
Android 5.0 (Lollipop), upgradable to 6.0 (Marshmallow)
Announced Price
About 300 EUR
Full Specifications
Network
| Technology | GSM / HSPA / LTE |
| 2G Bands | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Bands | HSDPA 850 / 900 / 1900 / 2100 |
| 4G Bands | LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 8(900), 9(1800), 18(800), 19(800), 28(700) - Taiwan |
Build / Physical
| Weight | 170 g (6.00 oz) |
| Dimensions | 152.5 x 77.2 x 10.9 mm (6.00 x 3.04 x 0.43 in) |
| SIM | Dual SIM (Micro-SIM, dual stand-by) |
Memory
| Card Slot | microSD, up to 256 GB (dedicated slot) |
Platform
| Chipset | Intel Atom Z3580 (4 GB RAM model)Intel Atom Z3560 (2 GB RAM model) |
| OS | Android 5.0 (Lollipop), upgradable to 6.0 (Marshmallow) |
| CPU | Quad-core 2.3 GHz (4 GB RAM model)Quad-core 1.8 GHz (2 GB RAM model) |
| GPU | PowerVR G6430 |
Connectivity
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, hotspot |
| Bluetooth | 4.0, A2DP, EDR |
| NFC | Yes |
| Radio | FM radio, RDS |
| Positioning | Yes |
Battery
| Capacity | Non-removable Li-Po 3000 mAh battery |
| USB Type | microUSB 2.0, USB Host |
| Charging Speed | Fast battery charging 18W: 60% in 40 min |
Sound
| Loudspeaker | Yes |
| 3.5mm Jack | Yes |
Variants
| Colors | Osmium Black, Sheer Gold, Glacier Gray, Glamor Red, Ceramic White |