If you have purchased the subscription for Xmind Mobile, you can unlock the full version after logging into your account on the application. Please make sure that the account you log in with is the one you used to purchase the subscription.
If you cannot unlock the full version, please try the following steps.
1) Sign in with your Xmind account on xmind.app;
2) Check in Subscription to see if your subscription is activated;
3) If your subscription is activated, please log out and then log back into your Xmind account on Xmind for Android to see if you can unlock the full version.
4) If your subscription is expired or you cannot see the subscription info, please contact us at xmind-android@xmind.app with your Xmind account and payment receipt.