Code:
freshbl:/sdcard # mount -vo remount,rw /
try '/dev/block/dm-0' type 'ext4' on '/'
freshbl:/sdcard # cp Keystring_factory_FB.zip /system/priv-app
freshbl:/sdcard # cd /system/priv-app
freshbl:/system/priv-app # ziptool unzip Keystring_factory_FB.zip
Archive: Keystring_factory_FB.zip
inflating: Keystring_factory_FB/Keystring_factory_FB.apk
inflating: Keystring_factory_FB/oat/arm/Keystring_factory_FB.odex
inflating: Keystring_factory_FB/oat/arm/Keystring_factory_FB.vdex
freshbl:/system/priv-app # rm Keystring_factory_FB.zip
freshbl:/system/priv-app # rm -r GalaxyStore
freshbl:/system/priv-app # rm -r WFotaAgent
freshbl:/system/priv-app # cd ..
freshbl:/system # cd preload
freshbl:/system/preload # rm -r BudsController
freshbl:/system/preload # rm -r GlobalGoals
freshbl:/system/preload # rm -r MSOutlook_Samsung
No idea why. But with Root patched with Magisk 25.2... GVH2
I can write to /system
Only as info.
Best Regards