Apple provides a free, secure built-in method to clear a forgotten lock screen passcode using a computer running iTunes or the native Finder app: your iPhone completely.
Put your device into (button combinations vary by model).
: Portable apps do not require administrative privileges to install.
The "300/10" in the product name likely refers to a specific version or edition of iMyFone LockWiper. Without further information, it's difficult to determine the exact changes or features of this version. However, based on the naming convention, it's possible that:
Connect your iPhone to a Mac or a PC running or iTunes .