root, su, Solid Explorer (or any file manager with /system access), Terminal Emulator
make some folder in /system (for example mkdir /system/script with Solid Explorer)
copy file to /system/script
chmod 0700 /system/script/i6.sh
cd /system/script
Then:
./i6 s- status./i6 e- enable ipv6./i6 d- disable ipv6
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