Board Thread:Questions and Answers/@comment-26858522-20161205181258/@comment-28905095-20161205193510

HI, I don't have MCPE on Android myself, but there is a known bug related to changing skin. See https://bugs.mojang.com/browse/MCPE-16652.

This bug report has some suggestions related how to possibly fix it, but it is still an open bug indicating that you might need to wait it out.