Here is how to hard reset Samsung Galaxy S4 pattern locked.
1. Put out battery. Wait for few seconds.
2. Insert battery. Be sure the unit is not powered on and vibrated.
3. All together press Volume UP, Home Button and Power On. When you see samsung logo, release all keys.
4. Choose wipe data partition. Just use volume key to navigate it. And power button to select it.
5. Delete user data.
6. Restart/reboot.
7. You are done.
1. Put out battery. Wait for few seconds.
2. Insert battery. Be sure the unit is not powered on and vibrated.
3. All together press Volume UP, Home Button and Power On. When you see samsung logo, release all keys.
4. Choose wipe data partition. Just use volume key to navigate it. And power button to select it.
5. Delete user data.
6. Restart/reboot.
7. You are done.