You are downloading the Truecaller AppX file v220.127.116.11 for Windows Phone. Truecaller is a free and useful Productivity app: Truecaller helps you search phone numbers, identify unknown callers, and find relevant suggestions based on time and place. With over 200 million ... You can now download the offline AppX file to install & try it.
Download Locations for Truecaller 18.104.22.168 AppX file
Important Notice: Now Due To Unspecified Limitations, You Can Not Use The Offline AppX File To Install It Any More.
To try to install it manually from an SD card, you should choose one of the server location above to get the offline Truecaller AppX file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.