Use tools like Windows Phone Power Tools or Interop Tools .
: The standard cover photo size for cross-device compatibility is now 820 x 360 pixels Ad Evolution
But is it practical? No. The battery drain is high (the CPU churns to decrypt modern TLS packets), and Messenger integration is dead.
Native XAP apps relied on Silverlight frameworks and legacy APIs that Facebook completely severed years ago. The infrastructure required for a 2013-era app to communicate with 2026 Facebook servers is completely gone. 2. The Move to OSMeta
Open the tool on your Windows PC (installed via the Windows Phone SDK). Set the Target to Device . Browse and select your downloaded Facebook XAP file.
A native experience with working notifications and image uploads.