iPhone app could not be installed at this time

Question

i was trying to install my iphone application from testflight. it installs perfectly on few devices but in some after installing about 80 percent it gives an error \"Unable to d

Answer 1

I have had the same issue after fiddling around with certificates (argh).

The problem became apparent as I followed the comment of @Duraiamuthan.H, I installed on a device. The device reported 0xe8008016 (Entitlements) see SO here

The initial reason was, that the testflight target used the App store distribution certificate, not the Team certificate. I fixed that and the application was installing on the device over Xcode and then it also worked with testflight.