That is a chronic disaster, it's can't be recover, that happens to me long ago, I lost it all
It was a disaster that happened because of our own ignorance. Private keys are the only way to enter, so the security of the code is unique and complicated. Therefore it must be stored in a safe place, if necessary to store it in a safe place manually. Bitcoin is a digital asset, the protection system must be more than just storing on cellphone. Cellphone is lost, bitcoin is lost.