Failure [INSTALL_FAILED_VERSION_DOWNGRADE] on real device

Question

I'm trying to run my custom launcher3 apk from my android studio to onePlus mobile phone.Its API level is 23. this app works fine Up to level 22 but always getting error Failure [INSTALL_FAILED_VERSION_DOWNGRADE] on API level 23 and shows popup that uninstall the existing app. and infect this apk is not already installed. and when i tried with pressing OK button the it shows DELETE FAILED INTERNAL ERROR . I'm not getting the any solution. please help me. I tried to change the versionCode, VersionName API Level etc. but no solution. here is my gradle file

apply plugin: 'com.android.application'

android {
    compileSdkVersion 23
    buildToolsVersion "23.0.2"
    defaultConfig {
        applicationId "com.android.launcher3"
        minSdkVersion 14
        targetSdkVersion 23
        versionCode 1
        versionName '1.0'
    }
    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }
    productFlavors {
    }
}

dependencies {
    compile fileTree(include: ['*.jar'], dir: 'libs')
    compile project(':wallpaperpick')
    compile 'com.github.yukuku:ambilwarna:2.0.1'
    compile 'com.android.support:support-v4:24.0.0-alpha1'
}

Answer 1

Try adb install -r -d ${YOUR_APK_FILE_PATH} to install.

solved for me.