Then go to Settings > Additional settings > Developer options > Keep tapping “Reset to default values” until it shows Turn off or on MIUI Optimization. If you can not find the MIUI Optimization option and your phone is running MIUI12, please go to Settings > About phone > Tap on “MIUI version” for 7 times until developer mode appears. After you restart your phone, re-open QooApp's game page, click the 'Re-download' button on the upper right menu (you don't need to delete the game) to update the game. If you are using a Xiaomi device, try Settings > Developer options > Turn off MIUI Optimization. QooApp already supports split-APK download, but some phones are still unable to download games or apps through split-APK due to system limitation. The apk provided by the game you are currently downloading is split-APK, unlike the usual APK, it needs to download multiple APK files in order to install successfully. When I try to install an APK it says 'INSTAL_FAILD_INTERNAL_ERROR: Permission denied (1)' What do I do?.android_secure/, delete it and the old apk file, then redownload and update. Rooted phones: Using ES File Explorer to find smdl2tmpl.asec under the file. Google Play: Go to your device setting and find Google Play in the application setting. Un-merge and move the game file to internal storage to ensure proper installation. Please avoid merging SD card data with internal storage. You are advised to use the device internal memory as default storage. Please avoid using a SD card as your default storage. Go to the game’s profile in QooApp, open the top right menu and select “Delete APK”. Internet issues: Unstable internet may lead to incomplete download. Please bind your account, delete the apk, and download from these platforms. If your games are not downloaded from QooApp or Google Play, you will not be able to update it via these platforms. Lack of memory: You are advised to have at least more than 10% free space in your device. You should be able to download the game without any trouble. Reinstall the game and the process should run normally.ģ) Download stuck at 100%: Go to the game profile in QooApp and tap “Delete APK'. 1) 'Install' button not responding: Try turning off light adjusting apps and unofficial device themes.Ģ) Parse error: Please go to the game’s profile in QooApp, open the top right menu and select “Delete APK”.

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