SAMSUNG
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*#06# xem so imel
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*#9999#
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*#2767*3855# khoi phuc toan bo thong tin EEPROM ve mac dinh
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*#8999*246# xem trang thai chuong trinh
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*#8999*289# thay doi tan so canh bao
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*#8999*324# hien thi man hinh sua loi
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*#8999*523# chinh do tuong phan manh hinh
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*#8999*636# xem trang thai bo nho
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*#8999*778# hien thi bang dich vu sim
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*#8999*842# kiem tra che do rung
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*#8999*9266# mo man hinh go loi
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*#8999*9999# kiem tra phien ban phan mem
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*#9998*228# kiem tra hoat dong cua pin
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*#0523# chinh do phan giai man hinh
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1111 ma bao ve mac dinh cua may
