How to change Trend Micro activation key on iPhone or iPad

LAST UPDATED: JUN 13, 2024

If you want to keep your iOS/iPadOS devices protected against threats, upgrade to a paid version or replace an already expired license with a new one, change the registered Trend Micro activation key on your Mobile Security app.

1. Activate Your New Subscription

To begin, you need to activate your new subscription on the Activation Portal.

1. Go to the Activation Portal.
2. Below the Get Started button, click Or sign in to your Trend Micro Account link.
3. Sign in with your email address or phone number, then click Next.
4. Type your secure password, then click Next.
5. Enter your activation code, then put a check beside I have read and agree to the Trend Micro License Agreement. Click Next to proceed.
6. Once done, sign out of your account and DO NOT proceed with the download.

2. Change Trend Micro App Activation Key

After activating your new subscription, follow these steps to change the activation key on your Trend Micro app.

1. On your iPhone or iPad, tap the Mobile Security app.
2. Scroll down, then tap Settings.
3. Tap Trend Micro Account > Account Control > Sign Out.
4. When prompted with Authentication Required, tap Continue.
5. Provide your password, then tap Sign Out.
6. Go back to Settings.
7. Under ACCOUNT & SUBSCRIPTION tap Set Up Account.
8. Sign in with your Trend Micro Account credentials.
9. Tap Next when prompted with Transfer Subscription.
10. Select the license you want to use, then tap Use this subscription.
11. Tap OK when prompted Transfer Existing License(s).
    You’re all set!

Having trouble activating?

Your app might still be accessing old local data. Try to uninstall it first, then install it and activate your subscription again by signing back in.