[問題] 紅米收音機 天線消失
更新到13版後,發現可以不插耳機開啟收音機,但是收音品質很差,根本收不到。發現把手放在耳機孔後方,可以收到聲音,有試著在耳機孔後方的背蓋上貼上鋁箔紙,但沒效果。想請問有沒有不插耳機增強fm訊號的diy方法?
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