I have galaxy A31 and it supports link to windows feature that has sharing of screen and apps. But it is not working on my device. .O again amd again show trying to connect-->allow again and againso anyone please tell how to troubleshoot

Why does galaxy A31 have overheating problem even in normal work load/low workload?

Do galaxy A31 support carrier aggregation  and on which 2Ca or 3Ca?As phone is showing lte+ on Jio but on netmonster application band in not specified.So please help