hi iam new user need help

hi



hi iam new user j tag. i have i9500 (4.4.2) can i downgrade to 4.3/4.2.2 ?

some one tell me After format emmc i can. i have emmc adaptor also. its true?

if yes how i can do ? i am new user so ...

please guide me. also suggest me which file are 4.2.2 ? 4.3 ?



thanks.

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