Bitcoin Core not showing content of address
download of the latest blockchain info, importing the wallet,

If you did it in that order you probably need to rescan using the console or command line options.

rescanblockchain ( start_height stop_height )
Rescan the local blockchain for wallet related transactions. Note: Use
&quot;getwalletinfo&quot; to query the scanning progress.
Arguments:

start_height    (numeric, optional, default=0) block height where the rescan should start
stop_height     (numeric, optional) the last block height that should be scanned. If none is provided it will rescan up to the tip at
return time of this call.