Wallet copay does not function I try to enter in my copay vallet and the screen turn white. What should I do I am from Argentina I try but I can make to function again. I try to formated the cell phone but it does not work 

Thanks
Exactly the duplicate of copay does not work in iphone5 ios10 
and Copay does not go past splash page ios

Don't worry, it has been reported: https://github.com/bitpay/copay/issues/8382

It's not only you, other people seem to have the same problem.

Just wait until they release a fix for it.