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instagram do it on android. they place a small file called .profig.os on external storage that is left there even if the app is deleted.
by georgiecasey 9y ago
instagram do it on android. they place a small file called .profig.os on external storage that is left there even if the app is deleted.
- yjftsjthsd-h 9y agoExternal? So change the SD card and it's gone?