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How to Fix Cannot Download or Open PDF Files on Galaxy S20
Question details
The user is unable to successfully download or open PDF files on a Samsung Galaxy S20, often receiving errors stating the file is corrupt or unreadable.
- Product
- Android Web Browser and PDF Reader
- Device & OS
- Samsung Galaxy S20
- Scenario
- Attempting to download a PDF document from a website or email attachment and trying to view it on the device.
- Observed behavior
- The PDF fails to download completely, or the PDF reader displays an error message claiming the file is corrupt, unreadable, or in an unsupported format.
Before troubleshooting, ensure your Galaxy S20 is connected to a stable Wi-Fi network and verify that your device has enough internal storage space to accommodate new file downloads.
Clear Browser Cache and Check App Permissions
Clearing the cache resolves temporary browser glitches that cause incomplete downloads, while checking permissions ensures the browser has access to save files.
Incomplete or interrupted downloads are the most common cause of 'corrupt file' errors. If your browser's temporary data is corrupted, or if it lacks storage permissions, it cannot save the PDF properly.
Go to your Galaxy S20 'Settings' app and tap on 'Apps'.
Scroll down and select the web browser you are using to download the PDF (e.g., Chrome or Samsung Internet).
Tap on 'Storage', then tap 'Clear Cache' at the bottom right. You can also select 'Manage Storage' to clear browsing data if the issue persists.
Go back to the browser's App Info page, tap 'Permissions', and ensure that 'Files and media' or 'Storage' is set to 'Allow'.
Disable VPN Settings and Ad Blockers
Temporarily disabling network filters can prevent them from blocking or disrupting secure PDF downloads.
Try an Alternative Browser or PDF Reader
Using a different application helps isolate whether the issue is with the file itself or the specific software you are currently using.
Easily Read and Manage PDFs on Android with WPS Office
WPS Office for Android provides a robust and highly compatible PDF reader, ensuring that your downloaded PDF documents open flawlessly without unreadable format errors.
- 1. Install the App: Download and install WPS Office for free from the Google Play Store on your Galaxy S20.
- 2. Locate Your PDF: Open your device's File Manager and navigate to the 'Downloads' folder where your PDF is saved.
- 3. Set as Default Reader: Tap on the downloaded PDF file and choose 'WPS Office' from the list of available applications. Select 'Always' to make it your default PDF reader.
- 4. Read and Edit: View your document seamlessly. You can also use the bottom toolbar to access annotation, conversion, and sharing tools.
Frequently Asked Questions
Why does my Samsung Galaxy S20 say the downloaded PDF is corrupt?
This error usually occurs because the download was interrupted, resulting in an incomplete file. It can also happen if your current PDF reader does not support the specific encryption or formatting of that PDF document.
Where are downloaded PDF files saved on a Galaxy S20?
By default, files downloaded through your web browser are saved in the 'Downloads' folder. You can access this folder by opening the 'My Files' app on your device and tapping on 'Downloads'.
Can a weak Wi-Fi connection cause PDF download errors?
Yes, an unstable internet connection can cause the browser to stop downloading the file prematurely. The browser may register the file as 'downloaded,' but because it is missing data, PDF readers will recognize it as corrupt or unreadable.
How do I change the default PDF viewer on my Android device?
Go to Settings > Apps, find your current default PDF app, and tap 'Set as default'. Then tap 'Clear defaults'. The next time you open a PDF, your device will prompt you to select a new default app, such as WPS Office.
