Steps
Sign in to the Karro account used for the purchase.
Open Profile > Subscription.
Tap Restore purchases.

The red area shows where to tap in step 3. Wait for confirmation, then use Refresh access if needed.
Recover a subscription purchased with the same store account.

Steps
Sign in to the Karro account used for the purchase.
Open Profile > Subscription.
Tap Restore purchases.

Wait for confirmation, then use Refresh access if needed.