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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.


Expand All
Features of Lost Device Protection
​Turn ON/OFF Lost Device Protection
Turn ON/OFF Find My Android
Turn ON/OFF SIM Card Lock
Turn ON/OFF Uninstall Protection
Change mobile device name
Wipe data from mobile device remotely
Lock your mobile device remotely
Unlock your mobile device
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