NPI SDK

It can print from Android to the printer made from Nippon Primex Inc.

Nippon Primex Inc. · npi.sdksample

Not rated yet 500+ downloads v3.11.0.0 4.8 MB Android 7.0+ PEGI 3 · Everyone

Download APK 4.8 MB All versions

Signature matches the Google Play version Details

At a glance

Latest version: v3.11.0.0 (15)
Updated: Apr 8, 2026 (6 months ago)
APK size: 4.8 MB
Requires: Android 7.0+ (API 24)
CPU support: Any (no native code)
Category: Business (app)
Listed since: Mar 26, 2021 (at least)
Permissions: 7 (3 sensitive)
Website: primex.co.jp
Developer contact: [email protected]

About this APK

NPI SDK is an app by Nippon Primex Inc. in the Business category, listed since at least March 2021. It has no native code, so it runs on any Android processor.

It asks for 7 permissions, 3 of them sensitive: Bluetooth advertise, Bluetooth connect and Bluetooth scan.

What's new in v3.11.0.0

Layout review and fix.

Description

From the listing uploaded by “appupdater”.

NPI SDK application can perform printing and acquisition of status to the printer by a Nippon Primex Inc.. NPI SDK can be used to support the construction of your application, to be printed easily.

Version history

3 versions are listed, going back to v3.9.1.0.

v3.11.0.0 LATEST Apr 8, 2026 4.8 MB UNKNOWN v3.10.0.0 Sep 24, 2025 4.7 MB UNKNOWN v3.9.1.0 Jun 4, 2025 4.7 MB UNKNOWN

All 3 versions

Security & authenticity

Security rating: Unknown

Signing certificate

Signature matches the Google Play version Checked by the source store on Apr 8, 2026.
Certificate issued to “App group” This is the certificate of the Google Play version.

Store checks and file details

Developer signature not checked yet Apr 8, 2026
Validated against Google Play Apr 8, 2026
Signed byCN=NPI, OU=Nippon Primex Inc., O=App group, L=Ohta, ST=Tokyo, C=JP
Signing certificate (SHA-1)57:EC:73:B2:45:0E:56:DB:92:7E:1F:B2:07:70:BB:28:1D:BF:0B:A0
File MD5393998847af8c04b8dae45d2fa27a11e
Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures. AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (7)

NPI SDK requests 7 permissions, 3 of them sensitive.

Bluetooth advertise Sensitive android.permission.BLUETOOTH_ADVERTISE
Bluetooth connect Sensitive android.permission.BLUETOOTH_CONNECT
Bluetooth scan Sensitive android.permission.BLUETOOTH_SCAN
Full network access android.permission.INTERNET
Interact across users android.permission.INTERACT_ACROSS_USERS
Interact across users full android.permission.INTERACT_ACROSS_USERS_FULL
Internal broadcast protection (app-defined) npi.sdksample.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

Required hardware & features

Bluetooth android.hardware.bluetooth
Basic touch input android.hardware.faketouch

NPI SDK APK: questions and answers

Can I install this APK over the version I already have?

Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.

Is the NPI SDK APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Unknown. Its signature matches the Google Play version. After downloading, check that the file's MD5 is 393998847af8c04b8dae45d2fa27a11e.