How to Change blog logo in the blogspot or blogger

 After 2021 to make it precisely During lockdown there where many changes made in google policy and Features in blogger

style="font-size: x-large;">due to update in the website favicon icon is changed to settings section previously favicon settings is present at layout section 

goto MainMenu->settings->Favicon

to create a nice icon i suggest to create own design by using Canva

1. choose  image(jpg,png) which is square 
2. choose size of the file less than 100KB 

if above two conditions are satisfied logo will not be changed 

Direct Script to add your own download button in the post without changing in theme section and layuot in settings