Link to Windows
Safe to disable
Microsoft's Link to Windows app, which pairs a Galaxy phone with the Phone Link app on a Windows PC.
Samsung package
Link to Windows Service
Safe to disable: com.samsung.android.mdx Safe to disable Vendor documentation
The Galaxy side of Link to Windows, which connects the phone to Microsoft's Phone Link app on a Windows PC. It is safe to disable: you lose nothing most people will miss.
What it does
Link to Windows Service is Samsung's built-in part of Link to Windows, the feature that shows your phone's notifications, messages, calls, photos and apps on a Windows PC through Microsoft's Phone Link app. It is turned on under Connected devices in Settings and works with Microsoft's Link to Windows app. It runs in the background only while the connection is set up.
If you disable it
Your PC can no longer show the phone's messages, photos, notifications or mirrored apps. If you never set up Link to Windows, nothing changes.
How to disable it
On most phones Settings greys out Disable for this package, so ADB is the way to turn it off. The commands below work without root and can be undone.
Disable it (reversible)
adb shell pm disable-user --user 0 com.samsung.android.mdxTurn it back on
adb shell pm enable com.samsung.android.mdxThe stronger option removes it for your user only; the original copy stays on the phone and a factory reset brings it back. Prefer disabling: it is easier to undo.
Uninstall for the main user
adb shell pm uninstall -k --user 0 com.samsung.android.mdxRestore after an uninstall
adb shell cmd package install-existing com.samsung.android.mdxNew to ADB? Set it up in about ten minutes.
Data and battery
Sends the notifications, messages, photos and screen content you allow to your PC through Microsoft's service.
Where it appears
- Made by Samsung Electronics.
- Android versions: 9 to 16.
- Seen on: Galaxy S25 Ultra, Galaxy S25, Galaxy S25+, Galaxy S24 Ultra, Galaxy S24.
Questions people ask
What is com.samsung.android.mdx?
com.samsung.android.mdx is Link to Windows Service. The Galaxy side of Link to Windows, which connects the phone to Microsoft's Phone Link app on a Windows PC.
Can I disable Link to Windows Service?
It is safe to disable: you lose nothing most people will miss. On most phones it takes ADB.
What happens if I disable Link to Windows Service?
Your PC can no longer show the phone's messages, photos, notifications or mirrored apps. If you never set up Link to Windows, nothing changes.
Sources
- Samsung: Samsung Galaxy phones and Link to WindowsVendor documentation
- Samsung UK: What is Link to Windows?Vendor documentation
- Galaxy Store: Link to Windows Service listingVendor documentation
- Samsung Knox: application list, Galaxy S20 FE 5G (SM-G781B), Android 11Vendor documentation
- Bayton system app database: com.samsung.android.mdxCommunity list
- Universal Android Debloater list entryCommunity list
Each source answered when this page was checked on 25 October 2026.
Confidence: Vendor documentation. Backed by the maker's own documentation, the Android source or the Play listing. How we decide a verdict.
Cite this page: https://mysystemapp.com/packages/com.samsung.android.mdx/ (verified 25 October 2026). Something wrong or out of date? Request a correction.