Expanding OpenWrt squashfs image (SDcard)

[openwrt2]

nope.
However, I came across another post, about the squashfs overlay was ext4. Something liket that. I'll try to dig that other post here for you.
Planning to try that next time myself.
Hey, report back if that worked for you.

edit: there you go

Resizing the hidden overlay filesystem when it is ext4 and not f2fs

The hidden writable filesystem on my R4S squashfs image is ext4 instead of f2fs. My first ever attempt at expanding the hidden file system for a writable overlay failed on 22.03.2 squashfs image for my R4S. (The R4S uses an SD card for storage so there is typically extra space to expand into.) All the directions I found for expanding the overlay filesystem on a squashfs image were for f2fs. It looks like this one is a hybrid setup with ext4 overlay on the squashfs image. I found a working s…

edit: I've gone the online firmware selector route. Not exactly what I desire, but achieved similar purpose (more space).

edit: I've successfully expanded my sdcard (R4S) using the above link from @spence.