STUNLOCKER

Shimano E-Bike motors settings and information

STUnlocker.com · com.stunlocker.app.su

Not rated yet 10K+ downloads v1.21.157 3.3 MB Android 5.0+ PEGI 3 · Everyone

Download APK 3.3 MB All versions

Signature matches the Google Play version Details

At a glance

Latest version: v1.21.157 (157)
Updated: Jan 23, 2026 (9 months ago)
APK size: 3.3 MB
Requires: Android 5.0+ (API 21)
CPU support: x86 32-bit, x86 64-bit, ARM 32-bit, ARM 64-bit
Category: Sports (app)
Listed since: Mar 31, 2025 (at least)
Permissions: 7 (4 sensitive)
Website: stunlocker.com
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

STUNLOCKER is an app by STUnlocker.com in the Sports category, listed since at least March 2025. It includes native code for x86 32-bit, x86 64-bit, ARM 32-bit and ARM 64-bit, so it runs on practically every phone.

It asks for 7 permissions, 4 of them sensitive, including precise location, approximate location and Bluetooth connect. Compared with version 1.21.156, it adds 2 new permissions: “Approximate location” and “Precise location”.

What's new in v1.21.157

= minor fixes

Description

From the listing uploaded by “appupdater”.

App works with Shimano E-Bike motors (EP801, EP8, EP6, E8000, E7000, E6100, E5000) via Bluetooth. Allows: - Get E-bike information (total distance, battery health and etc) - Change assist settings - Change gearing type (mechanical, electrical) and chainrings size - Presets for quick setups of your bike - Other features depending on bike's firmware Warning: the new EP801 and EP6 motors do not support changing advance settings (region, circumference). All other motors with the latest firmware do not support changing advanced settings via Bluetooth.

Version history

3 versions are listed, going back to v1.21.155.

v1.21.157 LATEST Jan 23, 2026 3.3 MB TRUSTED v1.21.156 Oct 3, 2025 3.3 MB TRUSTED v1.21.155 May 22, 2025 3.3 MB TRUSTED

All 3 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Jan 23, 2026.
Certificate from Google Play App Signing Google keeps the signing key for the developer, so the certificate carries Google's name.
Same certificate as the 2 other versions checked

Store checks and file details

Developer signature verified Jan 23, 2026
Validated against Google Play Jan 23, 2026
Signed byCN=Android, OU=Android, O=Google Inc., L=Mountain View, ST=California, C=US
Signing certificate (SHA-1)7E:35:A8:99:79:A9:CB:55:81:97:4C:F1:15:27:35:52:8F:8C:90:13
File MD5ea9437d0f159d85fd98b995dc0768e23
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 (2 other versions compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (7)

STUNLOCKER requests 7 permissions, 4 of them sensitive.

Approximate location Sensitive android.permission.ACCESS_COARSE_LOCATION
Bluetooth connect Sensitive android.permission.BLUETOOTH_CONNECT
Bluetooth scan Sensitive android.permission.BLUETOOTH_SCAN
Precise location Sensitive android.permission.ACCESS_FINE_LOCATION
Add home-screen shortcuts com.android.launcher.permission.INSTALL_SHORTCUT
Full network access android.permission.INTERNET
View network connections android.permission.ACCESS_NETWORK_STATE

Required hardware & features

Bluetooth android.hardware.bluetooth
Bluetooth Low Energy android.hardware.bluetooth_le
Basic touch input android.hardware.faketouch
Location android.hardware.location
Portrait screen android.hardware.screen.portrait

STUNLOCKER 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 STUNLOCKER APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. It is signed with the same certificate as the 2 other versions checked. After downloading, check that the file's MD5 is ea9437d0f159d85fd98b995dc0768e23.