crwdns2934241:0crwdne2934241:0 Tanya T.

crwdns2934249:0crwdne2934249:0:

If using phone (speaker) or voicemail, screen goes black & only wakes up w/ power button

Answer

Cover sensor (Samsung galaxy a70 it's at top center.)

IMO if xposed 2 light, it thinks it's  not being used.

INFO from youTube video

crwdns2915684:0crwdne2915684:0:

open