There is only one proper way to cancel a subscription. If you didn't follow these instructions by the day prior to the end of the trial period, you didn't cancel the subscription.
Managing auto-renewing subscriptions -
If you want to cancel a subscription from Apple - Apple Support
You will need to speak to Apple support before you can use the account.
World-wide Apple Support -
Contact Apple for support and service – Apple Support (UK)
M1 Mac mini, macOS 13.5.2; Watch, series 7 GPS/cellular, watchOS 9.6.2; iPad Pro 2nd Gen, iPadOS 16.6.1; iPhone 12 Pro, iOS 16.6.1; TV 4th Gen, tvOS 16.6; HomePods, audioOS 16.5 and Airport Express w/ Airplay 2