![]() ![]() But internal storage uses the ext4 filesystem which does support this, so it's perfectly possible to limit the apps that can see the contents of stuff stored there. Obviously if they are on a removable SD card, whole filesystem doesn't support access control, this isn't going to work (so no sensible developer would put anything genuinely sensitive there, since any app could read it). The purpose of these folders is that the data are supposed to be for that app only. This is one reason why I ask where you are looking, internal or removable storage.īut let's go back to the first sentence of the previous paragraph. So my phone, which has no SD slot, only has an Android/data folder in internal shared storage (/storage/emulated/0, aka /sdcard), while my tablet has Android/data folders in both internal storage and SD card (with more subfolders on the SD card). Of course not all devices have removable cards, or may have the slot but be used without one, so you'll also get an Android/data folder in the shared internal storage (which, confusingly, can be addressed as /sdcard!). So there would be an Android/data folder on a removable SD card. The purpose of the Android/data folder was to allow apps to store their private data when this might be too large for internal storage (normally app's private data live in /data/data/, where you cannot see them without root). Was this a major update (change of Android version) or just a security patch or similar? And are you talking about Android/data on a removable SD card or internal storage?
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