Shown·Partial·Codex, Custom agent
AI chat app on Nokia 110
Codex helped the author reverse-engineer a Nokia 110 4G's firmware and build a native AI chat app with a custom agent.
A working prototype runs on the handset over mobile data: typed chat via DeepSeek, battery check, torch, calls and alarms, tested on the phone.
Overview
How it was set up
OpenAI Codex, Calculator app entry point modified into a chat app, DeepSeek chat API with tool calls, custom lightweight agent to fit 48MB memory.
Worth knowing
Code is loaded into RAM from a computer and must be reloaded after restart or power-off. Source code is not published.
A prompt to start from
The source does not show the prompt.
Sources 1
History
- Added to Agentic Feats
- 2026-10-13
- Pick
- No
- Markdown copy
- /c/ai-chat-app-on-nokia-110-codex.md
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