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

This can also happen if you disable cellular data for "App Store" (for example, while on vacation) and forget to turn it back on. The solution here is to simply re-enable it in Settings -> Cellular.