How to Crack a Palm OS Application

Step-by-Step Guide

1. 1

   Step 1: Get the tools.

   You need a hex-editor (any will do), disassembler (pilotdis.exe), and resource extractor (prc2bin.exe).
   
   You also need Palm Simulator (Palm Emulator for older versions of PalmOS).
2. 2

   Step 2: Disassemble the program and extract all resources.

   , Try to register the program with any serial, change date to a future date to make it expire, etc. , Note the resource ID. , Find where the dialog (form or alert) is activated. ,, Do the change manually using the hex-editor at the correct address in the original prc file. ,,
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   Step 3: Run the program (on a Simulator or on a PDA) and cause it to show a nag screen

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   Step 4: registration failure

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   Step 5: expiration screen

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   Step 6: Note some text in the dialog and find it among the resources (use some search utility).

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   Step 7: Read the listing of the disassembler (in a *.prc.s file).

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   Step 8: Find a branch before the dialog that determines good or bad outcome.

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   Step 9: Change the branch to a non-conditional one (BRA) or remove it (replace with NOOP 4e71 code).

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    Step 10: Test the modified application.

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    Step 11: Once all nags are removed

12. 12

    Step 12: create an XML patch and submit it to pilotwares.com (pilotwares no longer exists)

Detailed Guide

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