What is DRE Technology

What is DRE Technology

This is a technology that converts the internal storage of the phone into virtual RAM.  Virtual RAM actually uses the phone's internal storage as temporary RAM.  Its main job is to improve memory management.  It helps to keep more apps in memory as compared to physical RAM. This is known Virtual Ram Expansion. RAM does many things in our phone.  It stores data, helps in multitasking and also increases the speed of the phone.  But the Android phone we have has limited RAM.  In such a situation, considering the needs of multitasking in the phone, physical RAM is not enough today.  In order to extend the capabilities of the smartphone and for better multitasking, Virtual RAM or DRE helps to increase the RAM by using some of the storage as RAM, to store more active apps.

Virtual RAM manages all those apps which have no dynamic function in background and will keep such apps in memory for a long time.  The Android system will take care and prioritize which apps should be stored in virtual memory and which should not.  Virtual RAM will be used only when physical RAM is going beyond its limits to handle the process.  By using the virtual memory feature, more apps can stay in the background for a longer period of time.