Have you see this url?
du -a / 2>/dev/null | sort -n -r | head -n 40
Also… Remove log from the device
Sample…
View space at the flash
command df
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/root 9600 9600 0 100% /rom
tmpfs 30072 328 29744 1% /tmp
/dev/mtdblock6 4416 452 3964 10% /overlay
overlayfs:/overlay 4416 452 3964 10% /
/dev/mtdblock7 576 312 264 54% /log
tmpfs 512 0 512 0% /de
cd /log/
ls -l
-rw-r–r-- 1 root root 444416 Feb 2 17:55 log.db
-rw-r–r-- 1 root root 129 Apr 14 2023 rms_id
-rw-r–r-- 1 root root 4 Jan 27 15:51 sim_1_pin
rm log.db
df
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/root 9600 9600 0 100% /rom
tmpfs 30072 372 29700 1% /tmp
/dev/mtdblock6 4416 452 3964 10% /overlay
overlayfs:/overlay 4416 452 3964 10% /
/dev/mtdblock7 576 332 244 58% /log
tmpfs 512 0 512 0% /dev
ls -l
-rw-r–r-- 1 root root 0 Feb 2 17:56 log.db
-rw-r–r-- 1 root root 129 Apr 14 2023 rms_id
-rw-r–r-- 1 root root 4 Jan 27 15:51 sim_1_pin
Updating…
I found this command
opkg list-installed | awk ‘{print $1}’ | while read -r line; do if (opkg info $line | grep -q ‘install ok
installed’); then opkg --autoremove remove $line; fi; done
And last…
Try to remove at Package Manager… To clean some packets?