I Ran an AI Model on My Phone. No Cloud. No API Keys. Just Gemma 4 and Termux.

Short summary

A software engineering student in Nigeria demonstrates running Google's Gemma 4 locally on Android phones via Termux and Ollama, eliminating the need for cloud APIs, API keys, or internet access. The practical guide covers setup, model selection, local API exposure, and honest constraints like thermal throttling and memory management. This approach enables offline AI applications for cost-conscious developers and regions with unreliable connectivity, making AI accessible where the cloud cannot reach.

• •Run Gemma 4 locally on Android phones via Termux with step-by-step setup instructions
• •No cloud APIs, API keys, or internet access required after initial download
• •Enables offline AI for cost-conscious developers and regions with unreliable connectivity

Generated with AI, which can make mistakes.