After an Android OS upgrade, Mobile Security locks the device and requires you to input your account password or the unlock key. Trend Micro is already aware of the issue and currently investigating it.
If you are experiencing this issue, unlock your device manually by following the instructions from this article: How to unlock my mobile device.
This article shows you how to protect your device using the Lost Device Protection feature in Mobile Security.
For the Lost Device Protection feature to work properly, you need to:
- Sign in using your Google account and Trend Micro account. Do not sign out.
- Activate Mobile Security in Device administrators.
- Keep Background data enabled in Accounts & Sync.
Visit Lost Device Protection portal to use the Find My Android, Alert, Remote Lock or Remote Wipe features.
Make sure to regularly back up your files in case you lost your device and need to wipe your data. To backup files, follow the instructions from this article: Back up or restore data on your Android device.
To help protect your mobile device and everything you have stored on it, Mobile Security includes the following features:
- Find My Android helps you track your lost, stolen or misplaced device on a map using GPS or wireless networks.
- Alert sounds an alarm on your lost device, even if it has been set to stay silent.
- Remote Lock stops others from using your lost device.
- Remote Wipe deletes all of the data stored on your lost device and on the memory card if you activate Mobile Security in Device administrators. Otherwise, the Remote Wipe feature deletes only the following information:
- Contact list
- Call history
- Text messages
- Account information
- Memory card content
- SIM Card Lock stops anyone from using your mobile device if someone removes the SIM card (only your Trend Micro account password can unlock your mobile device).
To enable the Lost Device Protection feature in Mobile Security:
- Open the Trend Micro Mobile Security App.
- On the main screen, tap Lost Device Protection.
- Provide your Trend Micro Account password.
- Tap Unlock.
To turn ON/OFF the Find My Android feature in Mobile Security:
- Open the Trend Micro Mobile Security App.
- On the main screen, tap Lost Device Protection > Protection tab.
- Select Find My Android to locate your mobile device through the website. Clear this setting if you want to stop using this feature.
- When necessary, type your Trend Micro account password, then tap OK.
To turn ON/OFF the SIM Card Lock feature in Mobile Security:
- Open the Trend Micro Mobile Security App.
- On the main screen, tap Lost Device Protection > Protection tab.
- Select SIM Card Lock. This feature locks your mobile device when anyone changes or removes the SIM card. Clear this setting if you want to stop using this feature.
- When necessary, type your Trend Micro account password, then tap OK.
When someone changes or removes the SIM card, you need to provide your Trend Micro account password to unlock your mobile device. You can also use an unlock key which you can send to your Trend Micro account and the alternate email address from the lock screen.
To use the Uninstall Protection feature of Mobile Security:
- Open the Trend Micro Mobile Security App.
- Tap Lost Device Protection > Uninstall Protection.
- Make sure Find My Android is enabled.
- Go to the Uninstall Protection section.
- Enabling Uninstall Protection:
- Drag the slider to the right to turn ON Uninstall Protection.
You will receive a message telling you that the action will prevent the app from being removed without your account password, so your data remains safe.
- Tap OK.
- Drag the slider to the right to turn ON Uninstall Protection.
- Disabling Uninstall Protection:
- Drag the slider to the left to turn OFF Uninstall Protection.
- Type your Trend Micro account password when necessary.
- Enabling Uninstall Protection:
To change your mobile device name:
- Open the Trend Micro Mobile Security App.
- On the main screen, tap Lost Device Protection > Protection tab.
- Tap the pencil icon beside Device Name.
- Edit the device name, then tap Save.
To wipe your mobile device remotely:
- On a computer, open a web browser (i.e. Internet Explorer, Google Chrome, Mozilla Firefox, or Microsoft Edge).
- Go to the Lost Device Protection portal.
- Log in using your Trend Micro account.
The web portal will get the location of your mobile device and will display it on a map.
- Once your mobile phone is located, click Wipe.
To lock your mobile device remotely:
- On a computer, open a web browser (i.e. Internet Explorer, Google Chrome, Mozilla Firefox, or Microsoft Edge).
- Go to the Lost Device Protection portal.
- Log in using your Trend Micro account.
The web portal will get the location of your mobile device and will display it on a map.
- Once your mobile phone is located, click Lock.
Using the Trend Micro Account password
Unlock your mobile device using your Trend Micro Account password. Just type your password on the Locked screen, then tap Unlock.
Using an unlock key from Trend Micro email
- Tap Email an Unlock Key to send a key to all of the email addresses associated with your Trend Micro account.
If you have set up an alternate email address, the unlock key will be sent to that address as well.
- Open your email, then open the message from Trend Micro.
- Type the key in the password field, then tap Unlock.
Using an unlock key from Lost Device Portal
- On a computer, open a web browser (i.e. Internet Explorer, Google Chrome, Mozilla Firefox, or Microsoft Edge).
- Go to the Lost Device Protection portal.
- Log in using your Trend Micro account.
- On the left side of the window, click Unlock Key to see a key that you can use to unlock your mobile device.
- On your mobile device, type the key in the password field, then tap Unlock.
The unlock key can only be used once. You will need a new key if your mobile device is locked again.