Check community forums like the Fallout Shelter Reddit to see if this specific version is recognized or flagged as unsafe.
If you are looking for instructions on how to use this specific archive, the general process for .rar files in this category is: Fallout.Refugio.v1.13.8.rar
Use a tool like 7-Zip or WinRAR to extract the contents. Check community forums like the Fallout Shelter Reddit
Version 1.13.8 was a specific update for Fallout Shelter that included various bug fixes and stability improvements. 2. Technical Specifications If you need a "data sheet" or technical summary: Game: Fallout Shelter (Refugio) Version: 1.13.8 File Type: RAR Archive (Compressed) Platform: Primarily Android/PC (depending on the source) Developer: Bethesda Game Studios 3. Safety Warning the .apk file is installed normally
For Android versions, the .apk file is installed normally, while the OBB folder must be moved to /Internal Storage/Android/obb/com.bethsoft.falloutshelter/ .