When you pair your phone, Windows identifies the Message Access Profile (MAP) , which it labels as "SMS/MMS".
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 sms mms driver windows 11
Microsoft often bundles these specific mobile drivers in the "Optional" section of Windows Update. Open > Windows Update . Click Advanced options . Select Optional updates . When you pair your phone, Windows identifies the
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. Open > Windows Update
If the yellow icon is bothering you, follow these steps to resolve it. 1. Use Windows Optional Updates
The SMS/MMS function is a sub-service of your Bluetooth adapter. unknown other device SMS/MMS after Bluetooth pairing
Sometimes the initial pairing doesn't register the services correctly. Go to > Bluetooth & devices . Find your phone and select Remove device . Restart your PC.