Canceling a subscription without the phone.

See the following from: How to cancel a subscription from Apple - Apple Support

If you don't have an Apple device

• You can use a PC to cancel subscriptions from Apple.
• You can cancel Apple Music on the web.
• You can cancel Apple TV+ on the web.
• If you don’t have a PC and you want to cancel a different subscription from Apple, contact Apple Support.

Hello ~ Perhaps the best option is to contact Apple Support and go over it with them:

Contact Apple for support and service

~Katana-San~

If you have access to the Apple ID, follow the instructions in the Related Article above; otherwise, use the link to contact Apple Support in it.

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