With Zoop Wallet's merge feature, you can easily combine PDFs choosen from both your phone's file manager and Zoop Wallet's DocuWallet. Here’s how to do it:

1. On the Home screen of Zoop Wallet, Tap on 'PDF Tools' & Select 'Merge PDFs'.
(You will see a guide page explaining the merge feature.)

2. Tap on 'Select Documents'.

3. Select the option as per your requirement:
- Selecting 'Files' takes you to your phone's file manager to choose a PDF.
- Selecting 'Zoop Wallet' lets you pick PDF from your Zoop Wallet's DocuWallet.

(If you've selected a PDF from your file manager and want to add more from Zoop Wallet, tap the '+' icon > Zoop Wallet > select PDFs > Continue.)

4. Re-arrange the documents (if needed) and preview before merging.

5. Tap 'Continue' then rename the file if needed, add tags if necessary, and select the storage location (your profile or a family member's profile).

6. Select the category for saving the merged document.

(If you've added PDFs from your file manager, you can tick the option to save the imported Docs into Others category if needed.)

7. Tap 'Merge PDFs'

Your merged document will be saved in your chosen category.