application stalletion & disfunctional keys

[AC Question]

I can not installe & dounlade any application ,and can not get the key to clear cache & an nesesory data by this gt s7562 samsung galaxy s duos.please help me?

 

[belodion]

application stalletion & disfunctional keys

Are you trying to clear the cached app data? That is in Settings, Storage, Cached Data?
Or is there some other problem?

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