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what is .um folder in Android Folder

  • Thread starter Android Central Question
  • Start date

Android Central Question

What is the .um file?
I'm looking through my files in android folder. and I noticed a .um folder with a sysid.dat file, In Android folder was three folders.
Data. in data i see folder which i mention up!^^ with dot (.)um i dont have any malware!
obj. with the same a sysid.dat file name. and I didn't know what it was. Is there any files I should be looking for that could be a virus?
i do reset, and flashing soft. dont helped folder there be still. when i delete folder , foldet goes back!
so why these folders creating automatic?? i never see before like 3years ago.