You will need: 10gb free space, root and Magisk
Install RO2RW magisk module then restart the phone.
Open a command prompt and run adb shell su (and grant it superuser access with magisk). Run ro2rw then run the following
1 [make/install]
chose any of the maximum expansion options (1,2,3 or 4)
1 [continue]
1 [skip]
Enter any key to continue
1 [yes]
1 [break]
1 or 2 depending on if you want to make a copy of the original super (remember, you need 10gb free, so if you need the space move the copy of the original super off the phone after it is created)
If you chose to make a copy you will have an option for the type of file, choose 1 [fastboot/sparse]
1 [fastboot/sparse]
1 [force disable]
wait a few minutes for it to finish, your new super will be in a folder named RO2RW
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