Lock Screen

Screen off and lock,Screen lock with one touch without power button. lockscreen

iDOTOOLS · com.iodkols.onekeylockscreen

5.0 out of 5 (2 ratings) 1M+ downloads v2.9 3.8 MB Android 4.1+ PEGI 3 · Everyone

Download APK 3.8 MB All versions

Signature matches the Google Play version Details

At a glance

Latest version: v2.9 (19)
Updated: Jun 23, 2026 (4 months ago)
APK size: 3.8 MB
Requires: Android 4.1+ (API 16)
CPU support: ARM 32-bit, ARM 64-bit
Category: Tools (app)
Listed since: Feb 16, 2021 (at least)
Permissions: 20 (7 sensitive)
Website: idotools.com
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

Lock Screen is an app by iDOTOOLS in the Tools category, listed since at least February 2021. It includes native code for ARM 32-bit and ARM 64-bit, so it runs on practically every phone.

It asks for 20 permissions, 7 of them sensitive, including read phone status and identity, read shared storage and display over other apps.

What's new in v2.9

bug fixed

Description

From the listing uploaded by “appupdater”.

With this app, you can simple one click the icon of Lock Screen to lock your phone screen immediately. This reduces the use of power button and prolongs its working life. The system for android 8.0 and above has been fully optimized, adapting to more special mobile phone models, and the lock screen experience is better! Because the special of some mobile phones, if you cannot uninstall this app, do as follows to solved the problem : find “Lock Screen” in “Settings→Privacy→Device administrators” and then deactivate. After that, this app can be uninstalled as usual. This app uses the Device Administrator permission

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Jun 23, 2026.
Certificate issued to “www.idtools.com” This is the certificate of the Google Play version.

Store checks and file details

Developer signature verified Jun 23, 2026
Validated against Google Play Jun 23, 2026
Signed byCN=Wenbo Li, OU=www.idtools.com, O=www.idtools.com, L=BJ, ST=BJ, C=China
Signing certificate (SHA-1)9C:0C:F3:55:F0:EE:28:2C:D2:2F:5F:38:E8:DE:AE:8A:B5:A8:74:57
File MD52dd51337671aa99df84076b400695d9f
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 (20)

Lock Screen requests 20 permissions, 7 of them sensitive.

Display over other apps Sensitive android.permission.SYSTEM_ALERT_WINDOW
Modify shared storage Sensitive android.permission.WRITE_EXTERNAL_STORAGE
Package usage stats Sensitive android.permission.PACKAGE_USAGE_STATS
Read phone status and identity Sensitive android.permission.READ_PHONE_STATE
Read shared storage Sensitive android.permission.READ_EXTERNAL_STORAGE
Write contacts Sensitive android.permission.WRITE_CONTACTS
Write settings Sensitive android.permission.WRITE_SETTINGS
Add home-screen shortcuts com.android.launcher.permission.INSTALL_SHORTCUT
Change configuration android.permission.CHANGE_CONFIGURATION
Expand status bar android.permission.EXPAND_STATUS_BAR
Full network access android.permission.INTERNET
Google Play install referrer com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE
Launcher read settings (custom) com.android.launcher.permission.READ_SETTINGS
Launcher write settings (custom) com.android.launcher.permission.WRITE_SETTINGS
Prevent the device from sleeping android.permission.WAKE_LOCK
Remove home-screen shortcuts com.android.launcher.permission.UNINSTALL_SHORTCUT
Run foreground services android.permission.FOREGROUND_SERVICE
Use fingerprint hardware android.permission.USE_FINGERPRINT
View Wi-Fi connections android.permission.ACCESS_WIFI_STATE
View network connections android.permission.ACCESS_NETWORK_STATE

Required hardware & features

Basic touch input android.hardware.faketouch
Landscape screen android.hardware.screen.landscape
Portrait screen android.hardware.screen.portrait
Wi-Fi android.hardware.wifi

Lock Screen 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 Lock Screen 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. After downloading, check that the file's MD5 is 2dd51337671aa99df84076b400695d9f.