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Convert .jar To .vxp Upd ((exclusive)) May 2026

Converting .jar (Java ME) files to .vxp (MediaTek MRE) is a process used to run applications on feature phones like the Nokia 225 or other MediaTek-based devices. While there is no "one-click" perfect converter due to architectural differences, you can use specialized tools or the original SDK. Conversion Methods

Batch convert with UPD packages

python jar_to_vxp.py --batch ./jar_files/ -u Convert .jar To .vxp UPD

file will not run unless it is "signed" to your specific SIM card. stackoverflow.com Get your IMSI Converting

def create_manifest(self, package_id): """Create VXP manifest file""" return f"""Manifest-Version: 1.0 
def create_descriptor(self, package_id):
    """Create application descriptor XML"""
    return f"""<?xml version="1.0" encoding="UTF-8"?>