Microsoft Lumia 640 LTE Dual SIM APN settings & network compatibility in Canada
, Updated: Microsoft Lumia 640 LTE Dual SIM
Microsoft Lumia 640 LTE Dual SIM network specifications
| OS | Microsoft Windows Phone 8.1 with Lumia Denim |
| Network bands | GSM / HSPA / LTE |
| Speed | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps |
| Network frequencies | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 HSDPA 850 / 900 / 1700 / 1900 / 2100 LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 20(800), 28(700), 38(2600), 40(2300) |
| SIM | Dual SIM (Micro-SIM, dual stand-by) |
| WLAN | Wi-Fi 802.11 b/g/n, DLNA, hotspot |
| CPU | Quad-core 1.2 GHz Cortex-A7 |
| RAM | 1 GB |
| Internal memory | 8 GB |
