<?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="
http://schemas.android.com/apk/res/android"
      package="com.sm4"
      android:versionCode="1"
      android:versionName="1">

      <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"></uses-permission>
       <uses-permission android:name="android.permission.INTERNET"></uses-permission>
      
    <application android:icon="@drawable/icon"
    android:theme="@android:style/Theme.NoTitleBar"
    android:debuggable="true">
         


어떤걸 어떻게 바꿔야 하나요


The apk must be signed with at least one certificate in common with the previous version.이런메세지 나면서 잘안되네요
다른 메세지도 있는데 아무튼 버젼때문에 안올라그는듯한데

조언 부탁드리겠습니다