Software SIM Card
The swSIM project is an all-software SIM card simulator that does not rely on any SIM hardware to work. It can connect to a PC via PC/SC using the swICC PC/SC reader and allows interaction with any phone with a SIM card slot. The project can be cloned recursively and compiled using make and gcc, with no extra runtime dependencies required.
- ▪The swSIM project is the first publicly available software-only SIM card simulator.
- ▪It can connect to a PC via PC/SC using the swICC PC/SC reader.
- ▪The project uses the SIMtrace 2 device running on the cardem firmware to forward messages to and from the phone.
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Story provenance
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Record
| Original publisher | GitHub |
| Canonical URL | https://github.com/tomasz-lisowski/swsim |
| Publication time | Fri, 26 Jun 2026 06:29:19 +0000 |
| Retrieval time | 2026-06-26T06:37:29.198Z |
| Last seen | 2026-06-26T06:37:29.198Z |
| Headline source | Publisher (no WeSearch rewrite) |
| Excerpt source | publisher body |
| Excerpt method | First ~120 words (~800 chars) of extracted publisher body, fair-use limited. |
| Summary | WeSearch · cerebras-chat (WeSearch summarizer) |
| Summary source text | contentText |
| Citation coverage | Summary is a WeSearch-generated derivative; primary citation is the original publisher URL. |
| Cluster | 0mbA3wuTrf_u |
| Cluster logic | Grouped by semantic title/content similarity across sources within a rolling window. Same-publisher template collisions are excluded from coverage comparison. |
| Ranking reason | Story pages are not engagement-ranked. Hub feeds use recency, with optional source-diversified chronological ordering (cap consecutive stories per source). No personalized ranking. |
| Publisher visit | Yes — open original |
| Substitutes article? | No — link-out required for full text |
Rights status (four layers)
WeSearch handling by dimension
| Indexing | May the item be indexed (stored, ranked, made findable)? | Allowed |
| Snippet | May a short excerpt of the publisher's text be shown? | Allowed |
| AI summary | May WeSearch generate its own short summary of the article? | Limited |
| Retrieval / RAG | May the content be exposed for third-party retrieval-augmented generation? | Not asserted |
| Model training | May the content be used to train AI models? | Not asserted |
| Commercial reuse | May the content be reused commercially? | Not permitted |
Basis: Derived from the published RSS/Atom feed. Contact: [email protected]. Reviewed: 2026-07-24.
Opening excerpt (first ~120 words) tap to expand
swSIM Project needs to be cloned recursively. Downloading the ZIP is not enough. swSIM is an all-software SIM card. It's the first publicly available (to the best of my knowledge) SIM card simulator which does not rely on any SIM hardware to work. Scope A software-only SIM card simulator. It does NOT depend on any hardware to work. Can connect to the PC via PC/SC using the swICC PC/SC reader. The PC/SC interface allows it to connect to ANY phone with a SIM card slot. We used the SIMtrace 2 device running on the cardem firmware but any other tool which forwards messages to and from the phone would work as well. Install You need make and gcc to compile the project. No extra runtime dependencies.
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Excerpt limited to ~120 words for fair-use compliance. The full article is at GitHub.