You can check samsung devices' official / test firmware information in 3 seconds.

[Features]

1. Search
Input device code and CSC. That's all. CheckFirm also automatically translates the result!

2. Bookmark
Register devices on bookmark so that you can search quickly.

3. Theme
App supports Light / Dark theme. You can also use Dynamic Theme!

4. Data Saver
You can set app to search only on Wi-Fi.

5. Help
You don't know how to search? You don't know how to translate the result? Now CheckFirm will help you!