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text model · Phi-4 · Android

Can I run Phi-4-mini-reasoning on Generic Android Phone (8GB RAM)?

Compatibility verdict VRAM threshold engine
Yes, but tight usable speed

Yes. Phi-4-mini-reasoning runs on Generic Android Phone (8GB RAM) at Q4_K_M (~3.6 GB of ~4.5 GB usable).

Needs ~3.6 GB Device usable ~4.5 GB

Fits at Q4_K_M (~3.6 GB of ~4.5 GB usable) but with little headroom. Close background apps, and expect slow generation on a phone.

That figure is at a 4k context and moves about ±15% as context length changes. Generic Android Phone (8GB RAM) leaves ~0.9 GB of headroom.

Q4_K_M needed
~3.6 GB
Usable on device
~4.5 GB
Device memory
8 GB
Best quant
Q4_K_M
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Which quant fits

Quant ladder vs ~4.5 GB usable
Q2_K
~2.9 GB
Q3_K_M
~3.2 GB
Q4_K_M
~3.6 GB
Q5_K_M
~4 GB
Q6_K
~4.4 GB
Q8_0
~5.1 GB
FP16
~9 GB
The line marks Generic Android Phone (8GB RAM)'s ~4.5 GB budget; rungs past it are too large.

How to run it

On Android use PocketPal AI (Polished app, download GGUF and run offline.).

Model Phi-4
Parameters
3.8B
Q4_K_M size
2.32 GB
Q8_0 size
3.8 GB
Context
128k
Ollama tag
phi4-mini-reasoning:latest
Full Phi-4-mini-reasoning requirements →
Device Android
Memory
8 GB ram
Usable for weights
~4.5 GB
Best runtime
llama.cpp (PocketPal or SmolChat)
Best models for Generic Android Phone (8GB RAM) →

You could also run

Run Phi-4-mini-reasoning on other hardware

FAQ

Can Generic Android Phone (8GB RAM) run Phi-4-mini-reasoning?

Yes. Phi-4-mini-reasoning runs on Generic Android Phone (8GB RAM) at Q4_K_M (~3.6 GB of ~4.5 GB usable).

How much memory does Phi-4-mini-reasoning need?

It is a tight fit on Generic Android Phone (8GB RAM). At Q4_K_M the weights are ~2.32 GB; with KV cache and runtime overhead, budget ~3.6 GB at a 4k context.

What is the best tool to run Phi-4-mini-reasoning on Android?

On Android, PocketPal AI (Polished app, download GGUF and run offline.) is the go-to option. NPU acceleration is limited and chip-specific; most apps run on CPU. Expect 1B-4B class.

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Sources

Weights are measured from GGUF files; KV cache and overhead are computed, so totals can vary ~15% with context and runtime. Any tok/s is a bandwidth estimate. See methodology.