A device that has been (the Windows Phone equivalent of jailbreaking or rooting). Tools like DHTUpgradeAdvisor or Interop Tools are standard for this process. The Windows Phone 8.1 SDK Lite tools installed on your PC. Step-by-Step Guide to Sideloading the WhatsApp XAP
Why, then, would anyone want to do this?
Safety Warning: Always scan downloaded XAP files using an online scanner like VirusTotal before attempting extraction or deployment. How to Sideload a XAP File onto a Windows Phone download whatsapp xap file for windows phone
Which is currently installed (Windows Phone 8.1 or Windows 10 Mobile)?
: The Windows Phone Store for 8.1 and older devices was shut down in December 2019. A device that has been (the Windows Phone
This is the most critical part of this entire guide and needs to be stated clearly upfront: . Meta (formerly Facebook) permanently shut down the servers that Windows Phone users relied on. Even if you successfully install the app, you will almost certainly not be able to verify your phone number or send or receive messages.
Go to on your phone. Enable Developer Mode . Step-by-Step Guide to Sideloading the WhatsApp XAP Why,
: Sideloading a .xap file usually requires a connection to the Store to validate the app's license. Without the Store, standard sideloading often fails unless the phone is "interop unlocked" (rooted) and you use specific developer tools. Are there any workarounds?
Therefore, simply finding an XAP file and installing it will likely result in an error message stating that the app is outdated or that the device cannot connect to the service. However, for archival purposes, experimental hacking, or sheer determination, the pursuit of the XAP continues.
Most websites offering .XAP downloads today are unverified and may contain malware.
Some community-driven projects and online archives (such as the WinPhone Hub Apps project) have historically offered tools to download XAP files directly from the Windows Store. However, the reliability of these sources in 2025 and beyond is questionable.