Skype is now optimized for lower-end Android phones
 

It's not just Facebook and Google trimming apps to help them run on lower-end smartphones. Microsoft is rolling out a new version of Skype for Android that reduces the memory and storage demands on devices running Android 4.0.3 through 5.1, improvin...

https://www.engadget.com/2018/03/05/...ndroid-phones/