Can You Recover Deleted Calls? Unfortunately, once you delete call logs from your iPhone, they’re gone permanently —unless you’ve backed up your phone to iCloud or iTunes prior to deletion.

Clear App Cache You can’t technically clear individual app caches on an iPhone, but offloading an app will essentially achieve the same thing.

Is your iPhone running slowly or having trouble with some common tasks? It could just need to have its cache cleared. Here's the steps to follow.