# NPU Usage Guide

***Copyright © Quectel Wireless Solutions Co., Ltd. 2026. All rights reserved.***

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**This section describes how to use the NPU for AI inference on the Quectel Pi M1 product. The L1 has no DSP and does not support NPU usage.**

# Android

You can [contact us](<https://www.quectel.com/>) to obtain the resource package.

Unzip the package and use adb commands to push it to the device.

```plaintext
adb root
adb remount
adb reboot
adb root
adb remount
adb push snpe_242 /data/local/tmp/

DSP Validation:
cd /data/local/tmp/
chmod 777 * -R
export PATH=$PATH:/data/local/tmp/snpe_242/snpe_242/bin/aarch64-android
export LD_LIBRARY_PATH=/data/local/tmp/snpe_242/snpe_242/snpe_242/lib/aarch64-android
export ADSP_LIBRARY_PATH="/data/local/tmp/snpe_242/snpe_242/lib/hexagon-v66/unsigned;/vendor/lib/rfsa/adsp;/dsp;/dsp/cdsp"
snpe-platform-validator --runtime dsp

Model Inference:
adb shell
cd /data/local/tmp/snpe_242/test-android_242/
export PATH=$PATH:/data/local/tmp/snpe_242/snpe_242/bin/aarch64-android
export LD_LIBRARY_PATH=/data/local/tmp/snpe_242/snpe_242/snpe_242/lib/aarch64-android:/data/local/tmp/snpe_242/test-android_242/lib
export ADSP_LIBRARY_PATH="/data/local/tmp/snpe_242/snpe_242/lib/hexagon-v66/unsigned;/vendor/lib/rfsa/adsp;/dsp;/dsp/cdsp"
./test ./model/yolov5s_242_q.dlc ./image/bus.jpg

```

DSP Validation Result:

```{image} images/image_YCHgbnPLKot0bMx07uhcnpmNnKf.webp
:width: 954px
:height: 308px
```

Model Inference Result:

```{image} images/image_KRxDbEYzsoKvw9x0kIrcjwsnnHf.webp
:width: 841px
:height: 618px
```

# Linux

You can [contact us](<https://www.quectel.com/>) to obtain the resource package.

Unzip the package and use adb commands to push it to the device.

```plaintext
adb root
adb remount
adb push snpe_168 /data

DSP Validation:
cd /data/local/tmp/
chmod 777 * -R
./env_linux.sh
snpe-platform-validator --runtime dsp

Same Model Inference:
./test ./model/yolov5s_168_q.dlc ./image/bus.jpg

```

```{image} images/image_U5HHbrJttoDTqPxdFtkcreWrnkh.webp
:width: 880px
:height: 419px
```

```{image} images/image_RGQZbiYm9opugxxrXfUcccUFnnW.webp
:width: 1741px
:height: 779px
```