How to change the database listener port with EBS system

How to change the database listener port with EBS system

1. In dbtier xml file under /appsutil change the below line to reflect
the right port

1541

2. In /network/admin/

change the prot values manually in listener.ira and tnsnames.ora

3. Run autoconfg in db tier. if it completes perform the following

4. In apps tier xml file under /admin change the below line to reflect the
right port

1541

5. Run autoconfig in apps tier