How to Edit PDF Text on Samsung Galaxy S25 Ultra
Question details
The user is unable to edit text within a PDF document using their Samsung Galaxy S25 Ultra smartphone.

- Product
- PDF Mobile Editor
- Device & OS
- Android
- Scenario
- Attempting to modify text directly within a PDF file on a mobile device.
- Observed behavior
- The text in the PDF document remains uneditable, which may be caused by document restrictions, the file being a scanned image, or missing app updates.
Ensure you have a reliable PDF editor app installed on your Galaxy S25 Ultra and check if the document requires a password to unlock editing permissions.
Verify Document Permissions and Format
Check if the PDF is protected or if it is a scanned image that requires OCR (Optical Character Recognition) to become editable.
Many PDFs downloaded from the internet or received via email are either encrypted to prevent unauthorized changes or are simply scanned images of physical documents.
To edit these files on your mobile device, you must first remove the restriction or use specialized OCR tools to extract the text.
Open the PDF properties or security settings within your mobile PDF app. If the file is marked as 'Read-Only' or is password-protected, you will need to enter the permission password or request an unlocked version from the document owner.
Try long-pressing to select individual words. If the entire page is selected as one large block, it is likely a scanned image. You will need to use a PDF editor with OCR capabilities to convert the image into editable text.

Update Your Mobile PDF Application
Software bugs in older versions of PDF applications can prevent editing tools from loading properly on newer devices like the S25 Ultra.
Easily Edit PDF Text on Your Android Device with WPS Office
WPS Office provides a powerful, mobile-friendly PDF editor that allows you to modify text, images, and pages directly from your Galaxy S25 Ultra. It includes built-in OCR to handle scanned documents seamlessly.
- 1. Install WPS Office: Download and install WPS Office from the Google Play Store on your Galaxy S25 Ultra.
- 2. Open the PDF: Launch WPS Office, tap the 'Files' tab or the '+' icon, and select the PDF file you wish to edit from your device storage.
- 3. Enter Edit Mode: Tap 'PDF Edit' on the bottom toolbar. If the file is a scanned document, the app will prompt you to use the OCR tool to recognize the text.
- 4. Modify Text: Tap on the specific text block you want to change. A text box will appear, allowing you to seamlessly type, delete, or reformat the content.

Frequently Asked Questions
Why can't I select any text in my PDF on my Android phone?
If you cannot select text, the PDF is likely a scanned image rather than a text-based document. You must use a PDF editor with OCR (Optical Character Recognition) features to recognize the characters and make the text editable.
How do I unlock a password-protected PDF on my phone?
To unlock a protected PDF for editing, open the file in your PDF editor and enter the required permission password when prompted. If you do not have the password, you must request an unlocked copy from the creator.
Is there a free way to edit PDFs on a Galaxy S25 Ultra?
Yes, there are mobile applications available on the Google Play Store, such as WPS Office, that offer basic PDF text editing and viewing capabilities directly on your smartphone for free.




