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pySim - Read, Write and Browse Programmable SIM/USIM/ISIM/HPSIM Cards
This repository contains a number of Python programs that can be used
to read, program (write) and browse all fields/parameters/files on
SIM/USIM/ISIM/HPSIM cards used in 3GPP cellular networks from 2G to 5G.
Note that the access control configuration of normal production cards
issue by operators will restrict significantly which files a normal
user can read, and particularly write to.
The full functionality of pySim hence can only be used with on so-called
programmable SIM/USIM/ISIM/HPSIM cards.
Such SIM/USIM/ISIM/HPSIM cards are special cards, which - unlike those
issued by regular commercial operators - come with the kind of keys that
allow you to write the files/fields that normally only an operator can
This is useful particularly if you are running your own cellular
network, and want to configure your own SIM/USIM/ISIM/HPSIM cards for
that network.
Please visit the [official homepage](
for usage instructions, manual and examples.
The pySim user manual can be built from this very source code by means
of sphinx (with sphinxcontrib-napoleon and sphinx-argparse). See the
Makefile in the 'docs' directory.
A pre-rendered HTML user manual of the current pySim 'git master' is
available from <> and
a downloadable PDF version is published at
A slightly dated video presentation about pySim-shell can be found at
pySim-shell vs. legacy tools
While you will find a lot of online resources still describing the use of and, those tools are considered legacy by
now and have by far been superseded by the much more capable
pySim-shell. We strongly encourage users to adopt pySim-shell, unless
they have very specific requirements like batch programming of large
quantities of cards, which is about the only remaining use case for the
legacy tools.
Git Repository
You can clone from the official Osmocom git repository using
git clone
There is a web interface at <>.
Please install the following dependencies:
- bidict
- cmd2 >= 1.5.0
- colorlog
- construct >= 2.9.51
- gsm0338
- jsonpath-ng
- packaging
- pycryptodomex
- pyscard
- pyserial
- pytlv
- pyyaml >= 5.1
- smpp.pdu (from ``)
- termcolor
Example for Debian:
sudo apt-get install --no-install-recommends \
pcscd libpcsclite-dev \
python3 \
python3-setuptools \
python3-pycryptodome \
python3-pyscard \
pip3 install --user -r requirements.txt
After installing all dependencies, the pySim applications ````, ```` and ```` may be started directly from the cloned repository.
In addition to the dependencies above ```` requires ``tshark`` and the python package ``pyshark`` to be installed. It is known that the ``tshark`` package
in Debian versions before 11 may not work with pyshark.
### Archlinux Package
Archlinux users may install the package ``python-pysim-git``
from the [Arch User Repository (AUR)](
The most convenient way is the use of an [AUR Helper](,
e.g. [yay]( or [pacaur](
The following example shows the installation with ``yay``.
# Install
yay -Sy python-pysim-git
# Uninstall
sudo pacman -Rs python-pysim-git
Mailing List
There is no separate mailing list for this project. However,
discussions related to pysim-prog are happening on the
<> mailing list, please see
2017-03-17 21:34:08 +00:00
<> for subscription
options and the list archive.
Please observe the [Osmocom Mailing List
when posting.
Our coding standards are described at
2017-03-17 21:34:08 +00:00
We are using a gerrit-based patch review process explained at