crwdns2933897:0crwdne2933897:0

Why did my phone black out

i was using my phoe it was charging om like 30% and it just went black i took the battery out did volume up key nd ower button even tried addidng the home button but it still doesnt work

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2853045:0crwdne2853045:0 crwdns2853046:0crwdne2853046:0
crwdns2889612:0crwdne2889612:0 0
crwdns2934285:0crwdne2934285:0