Ic power repair issues

When i replace the old ic power by a new one i get a honks when i connect the board to a power supply with 4.2v. What should can be this honks?

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When you say “replaced power IC”, do you mean you separated the board, desoldered the main PMIC, and put a new one on? If not, what are you referring to? The battery? Also, what is meant by honks?


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