CI4 Redirect points back to the Default Controller only

Based on the link provided, I tried all the following options - Still no luck ...
app/Config/App.php:

PHP Code:

public $indexPage = '';

public $indexPage = 'index.php';

public $indexPage = 'index.php?'; 


I have set the following Base URL - PHPCI is my Project / Root Folder Name:

PHP Code:

public $baseURL = 'http://[::1]/PHPCI/'; 


Also, for uriProtocol - I have tried all the 3 options as below, still no luck.

PHP Code:

public $uriProtocol = 'REQUEST_URI';

public $uriProtocol = 'QUERY_STRING';

public $uriProtocol = 'PATH_INFO';