Share your phone model in the comments below, and we can suggest specific signature bypass tools.
Use a patching tool like the VXP Patcher by inputting your IMSI and uploading your .vxp file to get a signed version. convert jar to vxp link
Because this is architecture-dependent and API-incomplete, (e.g., games with basic sprites, calculators, ebooks) convert successfully. Complex apps with networking or multimedia usually fail. Share your phone model in the comments below,
A VXP file is a packaged application format used for older Java ME/feature-phone platforms (notably some Samsung and other devices). A JAR file (Java ARchive) commonly contains Java ME applets (MIDlets). Converting a JAR to a VXP involves repackaging the app into the VXP container with the correct metadata, signatures, and any device-specific manifest changes so the target phone recognizes and installs it. Complex apps with networking or multimedia usually fail
Open the program and select your Java program’s . Set the output format to VXP . Click Create to generate the file. Method 3: Using the MRE SDK (For Developers)