Hey! friend can you help me,my friend had a bootloop, and I also want to ask what is the appropriate firmware to resolve bootloop and what is the most stable firmware, and how to root it,sorry for noob question 
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Go to recovery (Home+Power button simultaneously while switching on the phone) and wipe cache and factory reset the phone! This resolves the issue most of the times.. If he's still stuck at bootloop, flash a stock rom via odin!Hey! friend can you help me,my friend had a bootloop, and I also want to ask what is the appropriate firmware to resolve bootloop and what is the most stable firmware, and how to root it,sorry for noob question![]()