@ikoz I search in internet and find below solution, but not work, even memory fully used, but swap used still is 0, I don't know why. sudo fallocate -l 8G /userdata/swapfile sudo chmod 600 /userdata/swapfile sudo mkswap /userdata/swapfile sudo swapon /userdata/swapfile sudo sysctl vm.swappiness=80

@arubislander ok, Thanks for your answer.

@arubislander oh, thanks, after formatted to FAT32, it works now.