Asus Zenfone Max (M1) ZB556KL APN settings & network compatibility in United States
Asus Zenfone Max (M1) ZB556KL network specifications
| OS | Android 8 (Oreo), ZenUI 5 |
| Network bands | GSM / HSPA / LTE |
| Speed | HSPA 42.2/5.76 Mbps, LTE-A Cat4 150/50 Mbps |
| Network frequencies | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 HSDPA 850 / 900 / 1900 / 2100 - A version LTE band 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 20(800), 40(2300) - A version |
| SIM | Dual SIM (Nano-SIM, dual stand-by) |
| WLAN | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot |
| CPU | Octa-core 1.4 GHz Cortex-A53 |
| RAM | 3 GB |
| Internal memory | 32 GB |
