The Microsoft Lumia 640 XL also comes with internal memory of 8GB and you can also include additional storage of 128 GB by extending the memory by making use of microSD. The smartphones users also have the capability to access 30 GB cloud storage of free onedrive easily by upgrading images into their account.
Network and connectivity:
The Microsoft Lumia 640 XL provides fast LTE connectivity and it also comes with 3G variants to meet the needs of end users. Furthermore, this Smartphone also comes with both single-SIM and dual-SIM features in both LTE and 3G options. The connectivity features of this Smartphone consist of microUSB 2.0, Bluetooth 4.0, micro SIM, DLNA, beidou and glonass.