If the yellow icon is bothering you, follow these steps to resolve it. 1. Use Windows Optional Updates
Look under . If you see anything related to your phone brand (Samsung, LG, etc.) or "Bluetooth," select it and click Download & install . 2. Unpair and Re-pair Your Phone
This entry appears under because Windows recognizes that your paired phone (often a Samsung or LG) offers SMS and MMS messaging services over Bluetooth, but it doesn't have a specific local driver file to "install" for them. sms mms driver windows 11
The SMS/MMS function is a sub-service of your Bluetooth adapter. unknown other device SMS/MMS after Bluetooth pairing
Re-pair the phone. Windows may successfully assign the generic driver this time. 3. Update the Bluetooth Driver If the yellow icon is bothering you, follow
If you see an "SMS/MMS" device listed with a yellow exclamation mark in your , you are likely dealing with a driver "ghost" caused by a Bluetooth-connected smartphone.
While it may look like a system error, this is usually a harmless side effect of how Windows handles mobile device services like the Microsoft Phone Link app . Why the SMS/MMS Driver Appears If you see anything related to your phone
Because Windows uses its own internal API to handle these messages rather than a standalone driver, the Device Manager remains "confused" and marks it as an unknown device. How to Fix the "Missing" SMS/MMS Driver