All About Microsoft reports that Microsoft is rolling out new firmware and driver updates to its Surface RT and Surface Pro devices as part of April's Patch Tuesday.
The April cumulative update for Surface RT focuses almost entirely on Wi-Fi, according to Microsoft's Surface RT Update History page.Microsoft to roll out April firmware updates for Surface RT and Pro
Fixes include:
Certain “Limited” connectivity issues resolved
Improves Wi-Fi to handle a wide range of access points
Resolves system crashes caused by certain Wi-Fi issues