Since 4.4 reduces memory requirements of Android, it should run well, but again, no official update will come, since it's past its 18 month support period. (sammobile.com)
The P9 Lite has plenty of storage capacity for higher memory requirements, coming with 16 GB of internal memory and a microSD card slot which can support 128 GB of expanded memory. (androidauthority.com)
These days, that's what is blamed for «RAM bloat,» the escalating RAM memory requirements for new versions of software.) (williamcalvin.com)