Can Qwen 3.5 9B run on Redmi Note 15 Pro+ 5G?
YES — Runs, barely
Grade B · 63/100 · formula estimate
What this means
Our estimate says Qwen 3.5 9B should fit, but replies are likely to arrive slowly.
Download the Q4_K_M version, which is about 5.7 GB. We expect it to use about 7.2 GB of the roughly 9 GB available to a model on this phone.
At the estimated speed, a roughly 300-word answer may take about 3 minutes to finish.
This result is calculated from the phone and model specifications. It has not been measured on this exact phone and setup.
2tokens/s
estimated · slower than you read
7.2GB
needed at Q4_K_M
Q4_K_M
quant checked
B
grade · 63/100
needs 7.2 GBusable 9 GB
Snapdragon 7s Gen 412 GB RAMCPU / GPU
Make it bearable
1
Drop context to 2K — saves ~0.3 GB of KV cache and a little speed.
2
Close every other app before loading — the 1.8 GB headroom is real; Android may kill the app otherwise.
3
Expect throttling after ~10 min of sustained generation on a phone chassis.
See how fast it feels
Estimated at 2 tokens/s — slower than you read. A ~300-word reply takes about 200 seconds on this phone.
Where the memory goes
| Component | Detail | GB |
|---|---|---|
| Model weights | Q4_K_M GGUF (5.7 GB) + mmap overhead | 6 |
| KV cache | 4K context window | 0.6 |
| Runtime | llama.cpp + app overhead | 0.6 |
| Total needed | at Q4_K_M, 4K context | 7.2 |
| Usable on Redmi Note 15 Pro+ 5G | 12 GB RAM − Android system reserve | 9 |
| Headroom | left for the OS and your other apps | 1.8 |
Pick your quant
| Quant | Download | Verdict | Speed |
|---|---|---|---|
| Q3_K_M | 4.7 GB | ! Runs, barely | ~2.5 tokens/s |
| IQ4_XS | 5.2 GB | ! Runs, barely | ~2.2 tokens/s |
| Q4_0 | 5.4 GB | ! Runs, barely | ~2.1 tokens/s |
| Q4_K_S | 5.4 GB | ! Runs, barely | ~2.1 tokens/s |
| Q4_K_M BEST HERE | 5.7 GB | ! Runs, barely | ~2 tokens/s |
| Q5_K_M | 6.6 GB | ! Runs, barely | ~1.7 tokens/s |
| Q6_K | 7.5 GB | ✕ Won't fit | won't fit |
| Q8_0 | 9.5 GB | ✕ Won't fit | won't fit |
Get it running in 3 steps
1
Install PocketPal from the Play Store — free, no account needed.
2
Download "Qwen 3.5 9B Q4_K_M" in the in-app model hub — 5.7 GB, use Wi-Fi. Search Hugging Face for
unsloth/Qwen3.5-9B-GGUF and pick the Q4_K_M file.3
Set context to 4K — expect ~2 tokens/s on this phone.
Related checks
MORE ON REDMI NOTE 15 PRO+ 5G
QWEN 3.5 9B ON OTHER PHONES