Android PDF Viewer Not Working – Troubleshooting Guide

Having trouble with your Android PDF viewer? Don’t worry, I’ve got you covered. Let’s dive into some troubleshooting tips to get your PDF viewer working again.

Opening Normal and Password-Protected PDFs

To open normal and password-protected PDFs on Android PDF Viewer, follow these troubleshooting steps:

1. Check your file format: Make sure the PDF file you are trying to open is in the correct format and not corrupted.

2. Update the app: Ensure that you are using the latest version of Android PDF Viewer. Update it from the Google Play Store if needed.

3. Clear cache: Clear the app cache to remove any temporary files that could be causing issues. Go to Settings > Apps > Android PDF Viewer > Storage > Clear cache.

4. Restart your device: Sometimes a simple restart can resolve any temporary glitches or conflicts.

5. Try a different viewer: If Android PDF Viewer still doesn’t work, try using a different PDF viewer app from the Google Play Store.

6. Disable password protection: If you are unable to open a password-protected PDF, ensure that you are entering the correct password. If you forgot the password, contact the file owner for assistance.

Viewing PDFs Without Downloading Apps

To view PDFs on Android without downloading apps, follow these steps:

1. Open your preferred web browser on your Android device.
2. Go to the website or online platform where the PDF is located.
3. Locate the PDF file you want to view and tap on it to open it.
4. If prompted, select “Open with” and choose your web browser from the options.
5. The PDF will now open within the web browser without the need to download any additional apps.
6. To navigate through the PDF, use the scroll feature on your device or the provided scroll bar.
7. If the PDF has multiple pages, you can use the split-screen feature on some Android devices to view the PDF alongside another app.
8. If there are any annotations or bookmarks within the PDF, you should be able to access them through the menu or toolbar of the web browser.
9. If you encounter any issues while viewing the PDF, such as a pop-up ad or a question regarding the interface, refer to the website’s FAQ or contact their support for assistance.
10. Once you’re done viewing the PDF, simply close the tab or go back to the previous page in the web browser.

Changing Default Settings for PDF Files

PDF file with settings icon

  1. Open the Android PDF viewer application.
  2. Tap on the menu icon, usually located in the top-right corner of the screen.
  3. Select “Settings” from the menu options.
  4. Scroll down and find the “Default App” or “Open by default” option.
    • If you see “Default App,” tap on it.
    • If you see “Open by default,” tap on “Open supported links” or “Supported links.”
  5. Choose the option that says “PDF” or “PDF files.”
  6. Tap on the “Clear defaults” button (if available) to remove any previous settings.
  7. Go back to the previous menu and tap on “Clear cache” (if available) to clear any cached data that might be causing issues.
  8. Exit the settings menu and try opening a PDF file to check if the default settings have been changed successfully.

Solving PDF Attachment Issues in Gmail

If you’re having trouble opening PDF attachments in Gmail on your Android device, here are some troubleshooting steps you can try:

1. Clear the cache and data of the Gmail app. Go to Settings > Apps > Gmail > Storage > Clear cache/Clear data.

2. Update the Gmail app to the latest version from the Google Play Store.

3. Make sure you have a PDF viewer app installed on your device. If not, download and install one from the Play Store.

4. Check if the PDF attachment is downloading properly. Tap on the attachment and see if it starts downloading. If not, try downloading it again.

5. If the PDF is downloading but not opening, try opening it in a different PDF viewer app. Tap and hold the attachment, then select “Open with” and choose a different app.

6. If the issue persists, try opening the PDF attachment on a different device or computer. This will help determine if the problem is specific to your Android device.


How do I enable PDF viewer on Android?

To enable PDF viewer on Android, you can download and install Acrobat Reader from the Google Play Store. Once installed, launch the app and choose “Files” from the bottom menu bar. Locate your PDF file on your Android device and select it to start reading. Additionally, you can customize viewing and scrolling settings according to your preferences.

Why is Chrome PDF viewer not working on Android?

The Chrome PDF viewer is not working on Android because the Chrome Android app does not have a built-in PDF viewer feature. Therefore, you need to use a different app like UPDF for Android to open PDF files.

Why is my PDF viewer not working?

Your PDF viewer may not be working due to several reasons. It is possible that your device does not have a PDF reader installed. Another possibility is that your PDF viewer or preferred program is outdated and requires an update. Additionally, your PDF application might be damaged or in need of a reboot.

Why PDF won’t open on Android?

PDF won’t open on Android because many Android devices lack a built-in feature for opening PDF files. Additionally, if the PDF files are corrupted due to reasons like virus attacks or hardware damage, they will not be able to be opened.

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