Microsoft Lumia 640 LTE APN settings & network compatibility in Canada
Microsoft Lumia 640 LTE 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 HSDPA 850 / 900 / 2100 LTE band 1(2100), 3(1800), 7(2600), 8(900), 20(800) LTE band 1(2100), 2(1900), 4(1700/2100), 5(850), 7(2600), 12(700), 17(700) - T-Mobile |
| SIM | Micro-SIM |
| 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 |
