Signal Strength

Cellular/WiFi signal strength, networks, speed + some great home screen widgets

Lakshman · com.cls.networkwidget

4.5 out of 5 (13 ratings) 1M+ downloads v21.2.7 4.4 MB Android 5.0+ PEGI 3 · Everyone

Download APK 4.4 MB All versions

Signature matches the Google Play version Details

At a glance

Latest version: v21.2.7 (2127)
Updated: Jun 30, 2026 (3 months ago)
APK size: 4.4 MB
Requires: Android 5.0+ (API 21)
CPU support: Any (no native code)
Category: Tools (app)
Listed since: Dec 20, 2012 (at least)
Permissions: 12 (2 sensitive)
Website: lakshman5876.github.io
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

Signal Strength is an app by Lakshman in the Tools category, listed since at least December 2012. It has no native code, so it runs on any Android processor.

Since version 4.8, the APK grew from 1.4 MB to 4.4 MB and the minimum Android version rose from 2.2 to 5.0. It asks for 12 permissions, 2 of them sensitive: approximate location and read phone status and identity. Compared with version 4.8, it adds 7 new permissions: “Change wifi state”, “Google Play install referrer”, “In-app purchases” and 4 more. The app offers in-app purchases through Google Play.

Ratings

4.5out of 513 ratings

5 ★62%
4 ★31%
3 ★8%
2 ★0%
1 ★0%

Ratings from users of the source store — not collected or verified by AAPKs.

What's new in v21.2.7

• Bug fixes • UI mods to de clutter main screen • Minor widget mods

Description

From the listing uploaded by “appupdater”.

Are you living or working in a low signal area ? Then this is the app for you. With this app you can get a good idea of the Cellular and WiFi signal strength and find out which corners of your office or home are having the best reception. What this app gives you:- • Signal meter • Speed test • WiFi scan • Home screen signal widgets 6 types including signal, network, latency, battery, clock and storage • Signal Logger • Network info • Cell towers • Latency • Out of service, low signal and roaming alerts. Pro Features(Inapp Purchase):- • AdFree • Premium widgets (6 types) • Speed test increased download size IMPORTANT: • Dual SIM has been standardised from Android Lollipop 5.1 onwards. There are still a lot of bugs in manufacturer implementations. If you are seeing dual sim related errors in the app then try the app after disabling dual sim processing in app options. Also try setting both calls and data to same SIM in Android SIM settings. Consider sending an email to describe bugs to incorporate workarounds. • A very few phones are not following the signal reporting standard fully. If the signal strength is not updating then this is a sure sign of a broken ROM. This is a known issue and not a problem with the App.

Version history

2 versions are listed, going back to v4.8. Since v21.2.7 it requires Android 5.0+.

v21.2.7 LATEST Jun 30, 2026 4.4 MB TRUSTED v4.8 Mar 4, 2013 1.4 MB TRUSTED

All 2 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Jun 30, 2026.
Certificate issued to “CLS Prasad” This is the certificate of the Google Play version.
Same certificate as the other version checked

Store checks and file details

Developer signature under review Jul 4, 2026
Validated against Google Play Jun 30, 2026
Signed byCN=CLS Prasad
Signing certificate (SHA-1)F0:62:2D:DD:E7:46:47:7B:D7:9A:81:18:31:A9:D1:F6:5A:C0:C2:B7
File MD5aaa519ce8314f9432502e29a59a8dd7a
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 (1 other version compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (12)

Signal Strength requests 12 permissions, 2 of them sensitive.

Approximate location Sensitive android.permission.ACCESS_COARSE_LOCATION
Read phone status and identity Sensitive android.permission.READ_PHONE_STATE
Change wifi state android.permission.CHANGE_WIFI_STATE
Full network access android.permission.INTERNET
Google Play install referrer com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE
In-app purchases (Google Play Billing) com.android.vending.BILLING
Prevent the device from sleeping android.permission.WAKE_LOCK
Receive push notifications com.google.android.c2dm.permission.RECEIVE
Run at startup android.permission.RECEIVE_BOOT_COMPLETED
Run foreground services android.permission.FOREGROUND_SERVICE
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
Location android.hardware.location
Portrait screen android.hardware.screen.portrait
Wi-Fi android.hardware.wifi

Signal Strength APK: questions and answers

Is there a version of Signal Strength for older Android phones?

The current version needs Android 5.0 or later. Version 4.8 is the newest listed build that installs on Android 2.2 and later. It is an old build: apps that rely on online services may no longer connect when they are this old. Get version 4.8 · All versions

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 Signal Strength free?

The APK is free to download, but the app offers in-app purchases through Google Play.

Is the Signal Strength 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 other version checked. After downloading, check that the file's MD5 is aaa519ce8314f9432502e29a59a8dd7a.