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i bought xiomi 4a 3gb phone before 20 days . but the radio is not working.so i went to mi service center and they suggest to changing the motherword . so should i change motherboer or not? please give me your advice please ……. if i am not changing motherboard.in future should I face any probleme.?

if they change it, your files would be lost but your phone should work like “brand new” unless the motherboard they put in is refurbished or something.