Remember, the PIT is always storage (and in some cases, CSC) sensitive. Thus, if you own a Samsung Galaxy S6 64GB model, you will need the PIT file for the same model number and storage capacity. You can use Google search to get the correct PIT file for your device, but if you do...
As I mentioned above, repartitioning the device by telling the firmware that your device is a 16/32/64 GB variant can fix the “invalid ext4 error”. Having grabbed or extracted the correct PIT file for your device model, all you need to do is to install it along with the firmware...
Read PIT Reboot in Download/Recovery Mode Fix corrupted DRK (DRK failed error) Fix "dm-verity verification failed, need to check DRK first" Reset Screen Lock operation ( Reset Pattern, PIN, Password, Fingerprints locks ) Reset Screen Lock and Reset FRP without touching KNOX ( for sup...