If you’ve forgotten your iPhone password, there are a few ways to erase it without having to enter the original passcode. Here are three methods:

  1. Reset the iPhone This is probably the most common way to erase an iPhone without the password. To do this, you need to connect your iPhone to a computer and follow the on-screen instructions. This will reset your device and delete all of your data, including the passcode.
  2. Use iTunes Backup Eraser If you have an iTunes backup of your device, you can use the Eraser feature in iTunes to erase it. First, make sure that you have backed up your device using iTunes before trying this method. Next, open iTunes and select your device from the list of devices on the left side of the window. Click on “Erase” in the menu bar at the top of the window and then select “Erase All Content and Settings” from the options that appear. This will erase everything on your device including any data backups that you may have made.
  3. Use a Third-Party App ..

Did you know that incorrect PINs can cause your iTunes account to be disabled? It appears that you’re dealing with Activation Lock, a security feature that stops stolen iOS devices from being resold. There is no known way to get around it. To continue, you’ll need the iCloud credentials. Apple will not unlock any iPads without the iCloud user

Open the App Store. In the upper-right corner of the App Store’s landing page, tap your name (or the previous owner’s name). This takes you to the Account screen. scroll down and select Sign Out from the drop-down menu, which is available without entering a password.

Click “Forgot Apple ID or password” at appleid.apple.com if you’ve forgotten your Apple ID or password.

Step 1: Open the Settings app on your iPhone. Step 2: Select “Reset > Erase All Content and Settings” from the drop-down menu.

To delete a device from your account, sign in to iCloud.com and go to Find My iPhone. Select “All Devices” to see a list of linked devices, then choose the one you want to remove. Click “Delete Account”