Review of the Microsoft Lumia 640 LTE Dual SIM
Introduction and Network Capabilities
Released in April 2015, the Microsoft Lumia 640 LTE Dual SIM was part of an era when Microsoft aimed to make its mark in the smartphone world by integrating seamless Windows experiences into mobile devices. This phone, armed with network technologies ranging from GSM to LTE, made it a versatile choice for users looking for flexibility and connectivity on the go. It supports a wide range of bands across 2G, 3G, and 4G, making it suitable for use in various geographical locations. The device boasts HSPA speeds up to 42.2/5.76 Mbps and LTE Cat4 speeds up to 150/50 Mbps, ensuring relatively fast download and upload capabilities for its time.
- ⬤ Microsoft Lumia 640 LTE Dual SIM Review of the Microsoft Lumia 640 LTE Dual SIM
- ⬤ Microsoft Lumia 640 LTE Dual SIM Design and Build Quality
- ⬤ Microsoft Lumia 640 LTE Dual SIM Display
- ⬤ Microsoft Lumia 640 LTE Dual SIM Performance and Software