Hope you are talking about unsubscribing the phone from IPMA service and you can do it from phone, go to top right corner of device level, select 'subscribe/unsubscribe services' you will find there the list of services the phone has been subscribed so far, you can unsubscribe/subscribe any phone service from here.
If you don't need the service systemwide, just delete the service from 'Phone Services' page.
These are the paths to get to each CCX logs through CLI. They may be helpful if you are having issues accessing RTMT or downloading logs through it.
If you want to download them you have to prefix "file get " and you can add one of the options (re...