How To Fix Unknown error code during application install: -505 On Play Store ?

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How To Fix Unknown error code during application install: -505 On Play Store ?\r
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This Error occurs when you try to download or update an app \r
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Method 1: \r
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Clear Cache and Data \r
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i) Google Play Store .\r
ii) Google Play Services .\r
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If you see Google Services Framework , Download Manager.Clear their Cache and Data as well .\r
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ı)If you are updating an App then try to clear the cache and data of the app in question as well .\r
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iv) Remove Your Google Account and Re-Add it again .\r
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If you have more than one google Account Associated,Remove everyone.\r
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Step 1: Go to settings,and then accounts,and then Google \r
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Step 2: Remove your all google(gmail) accounts .\r
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Step 3: Open Play Store and Add it again .\r
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Restart your Phone and Try to Install or update an App .\r
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Method 2: \r
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Check your Data and Time and also Time Zone .If its not correct .Please correct it and try to Install or update an App .\r
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Method 3: \r
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Uninstall the Updates of Google play store if you have it.\r
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Go to Settings,and then Apps ,and then Uninstall Play Store Updates .\r
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Method 4:\r
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This method requires your phone to be rooted\r
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If you had installed app before and uninstalled it without clearing its cache and data ,there might be chance that some files are leftover.\r
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Step 1: Allow Installation of Apps from Unknown sources\r
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Step 2: Go to and Do a search for ES File Explorer .Download it and Install it .\r
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Step 3: Enable Root Explorer\r
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Step 3: Go to /device/data/app \r
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and if you see the folder of the app that you are trying to install ,Just Delete it .\r
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Restart your Phone and Go to Play Store and try to download or update an app .\r
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Thats all \r
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Thanks for watching,if you like this tutorial ,please like and share .\r
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