How to use the full sd card storage after fresh install?

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Expand Root Script Not Working on OpenWRT 24.10.0 (Raspberry Pi 5)

Based on your solution, here is the step by step guid that worked for me: 1. Edit cmdline.txt Remove the microSD card from the Raspberry Pi and insert it into another computer. Mount the boot partition and edit cmdline.txt: sudo nano /mnt/cmdline.txt Change this line: root=PARTUUID=661a1cf7-02 to: root=/dev/mmcblk0p2 Save the file and put the microSD card back into the Raspberry Pi. 2. Boot into OpenWRT and Install Necessary Packages Power on the Raspberry Pi and SSH into OpenWRT. Up…