I'm going to optimize iPhone memory,but these data can not be completely deleted from iPhone, can you recommend me some erase tool ?
Your post does not about Bitcoin. Its a problem about your mobile device, so Its Off Topic. This post doesn't belongs here. Move your post in off topic thread. There you will found a lot of people who will help you about this issue. I am not a iPhone user, If were, Then i will try to help you. One suggestion: Do google about your problem, Its the best way to me. When i faced any issue, I did googled. Most of the time , My problem solved by the help of google...