Hi, why did I have only one month of Apple music subscription instead of three free months?
why did I have only one month of Apple music subscription instead of three free months
Why do you think you only received one month trial?
Check your subscriptions page in your account to verify the end date of your trial.
If you received an e-mail stating otherwise, then double-check its authenticity.
Identify legitimate emails from the App Store or iTunes Store - Apple Support
Avoid phishing emails, fake 'virus' alerts, phony support calls, and other scams - Apple Support