I have Microsoft Lumia 640 XL Dual sim device, I install SD memory Kingston 16 GB. I use it to store all types of files. I use the internal memory for installing the applications only. I used approximately 7 GB of my SD card, after short time, hours, I
get a message (storage full), when I look at the storage sense, i found that the used space is all the capacity of my sd card and zero free space. I formatted the sd card but the same problem. I change my operating system win 8 and 10 then 8 again. I used
the sd card with my laptop (win 10 ) without problemsI have Microsoft Lumia 640 XL Dual sim device, I install SD memory Kingston 16 GB. I use it to store all types of files. I use the internal memory for installing the applications only. I used approximately
7 GB of my SD card, after short time, hours, I get a message (storage full), when I look at the storage sense, i found that the used space is all the capacity of my sd card and zero free space. I formatted the sd card but the same problem. I change my operating
system win 8 and 10 then 8 again. I used the sd card with my laptop (win 10 ) without problems