Although there are many ways of deleting the messages stored in your iPhone, the common ones do not really make the deleted messages irretrievable.
Ọ bụ ezie na e nwere ọtụtụ ụzọ nke ihichapụ ozi echekwara na gị iPhone, ndị nkịtị ndị na-adịghị n'ezie ka ehichapụ ozi irretrievable.