Please help me anyone my phone temperature too.much high and battery rapidly low  Please help i have 13 days for my warranty end

Hi all i am not able to update the beta version of one ui 7...when I try to enroll via member app it says the maximum number of users has been reached from last 3 days ?  When I'll get this ? How many days still have to wait ? For My Friend 李 

Dear Samsung Developers Team,  Please add Internet Speed Monitor and Application Lock features . Except pixel ui others have these features. Much needed