Hi Joao Paulo,
Setting up fiori apps in S4Hana can be done in a much simpler way. There are a few templates available to quicken the process. navigate to Tcode STC01 and execute the templates one by one that will help to perform the standard steps during fiori implementation.
Screenshot 1: Template to activate OData and SICF services
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Screenshot 2: Few of the templates to perform the standard steps during fiori apps implementation.
During the execution of the template the all/ required services/sicf nodes can be selected as per the requirement.
PS: Please remember that the templates are available since netweaver 7.4 and later
More info:.Configuration Using Task Lists - SAP Fiori for SAP Business Suite - SAP Library
Regards
Virinchy