Hi @vojanik, 

Welcome to Trend Micro Home Users Community!

I'm sorry that this happened and for us to further investigate this, please the following information: 

•  Android version: 
• Device's country:
• Google Play country:

Please be guided that due to support limitations, Android Go and Android One OS are not yet supported.

Looking forward to your response.

Android version 11
Serbia
Serbia

Hi @vojanik 

Please check the following:

1. Verify if there is an OS update available under Settings.

2. Search for TM Mobile Security in the Play Store. Then, go to the "What's New" section, scroll down, and check the Compatibility for your active device.

The OS is up to date, after checking the What's up section, I realized that the phone is actually Nokia C21 Plus, but for some reason the Samsung SM-J330F is also there. No idea why or how to remove it.

Hi @vojanik 

Based on specifications of Nokia C21 Plus, the Operating System of this device is Android 11 (Go Edition). With that being said, Trend Micro Mobile Security cannot be installed on this device since Android Go is not supported by the app. 

I understand, thank you for your time.