Help me make sense of this

U-tec App
1

I’ve gone into the device information to change the time from military to GMT Eastern time yesterday today I go in to follow up and see if the information has remained to Eastern of course it’s not and the app keeps

2

Military time return and the app under default keeps Disappearing why

3

Im having nothing but troubles with this door lock, about 2 seconds away ,on posting this shit all over FB,YouTube, TruthSocial Mewe ,Parler Twitter Etc the trash that this lock ix