The reset is performed by installation script. Try to remove it from system (System -> Startup -> Local Startup, clear field and press Save) and install libraries manually.
List of required libraries:
dosfstools
kmod-fs-exfat
libblkid1
kmod-sdhci-mt7620
libstdcpp6
mc
psmisc
Use terminal (PuTTY or similar):
opkg update
opkg install lib_name
After last installation restore startup script. (bbobuffer_settings.tar.gzip -> rc.local file).
