SOS Online Backup

SOS Online Backup, award-winning online backup, protecting millions of PCs

SOS Online Backup · com.sosonlinebackup.android

Not rated yet 10K+ downloads v2.4.1 9.5 MB Android 8.1+ PEGI 3 · Everyone

Download APK 9.5 MB All versions

Signature matches the Google Play version Details

Watch the SOS Online Backup trailer on YouTube

At a glance

Latest version: v2.4.1 (2401)
Updated: Sep 19, 2025 (1 year ago)
APK size: 9.5 MB
Requires: Android 8.1+ (API 27)
CPU support: Any (no native code)
Graphics: OpenGL ES 2.0+
Category: Tools (app)
Listed since: Aug 10, 2022 (at least)
Permissions: 12 (2 sensitive)
Website: sosonlinebackup.com
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

SOS Online Backup is an app by SOS Online Backup in the Tools category, listed since at least August 2022. It has no native code, so it runs on any Android processor.

Since version 1.7.4.675, the APK grew from 1.8 MB to 9.5 MB and the minimum Android version rose from 2.2 to 8.1. It asks for 12 permissions, 2 of them sensitive: read media images and read shared storage. It asks for the same permissions as version 2.4.0. The app can read the advertising ID that ad and analytics services use.

What's new in v2.4.1

2.4.1

Description

From the listing uploaded by “appupdater”.

“SOS Online Backup may be the very best way to protect your precious personal data…” – PC Magazine Android backup at its best: ✔ Backup Apps, Pictures, Videos and Music to your personal SOS cloud ✔ Backup and restore up to 5 PCs, Macs, Androids, and iPhones with a single SOS account ✔ Access the files in your personal SOS cloud ✔ Open files in supported apps ✔ Backup any other files on internal storage or SD cards ✔ "Client-side" encryption - files are protected BEFORE they leave your device ✔ Automatic and unlimited versioning SOS is available for Windows + Mac + Android + iOS (iPhone/iPad) + Facebook (free Facebook app backs-up your Profile No matter which application you use to create your SOS account, your data will be accessible from up to five other devices. It’s simple - backup your Android and access your data on your PC! Sign up for 5GB free with SOS for Android or access your existing SOS account. SOS is fast, secured with military-grade encryption and incredibly reliable. With over 500,000 clients worldwide and millions of PCs protected, SOS represents the finest cloud storage and Android backup service available.

Version history

4 versions are listed, going back to v1.7.4.675. Since v2.3.0 it requires Android 8.1+.

v2.4.1 LATEST Sep 19, 2025 9.5 MB TRUSTED v2.4.0 Sep 7, 2025 9.5 MB TRUSTED v2.3.0 Feb 6, 2025 4.6 MB TRUSTED v1.7.4.675 Jun 4, 2024 1.8 MB TRUSTED

All 4 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Sep 19, 2025.
Certificate issued to “SOS Online Backup” This is the certificate of the Google Play version.
Same certificate as the 2 other versions checked

Store checks and file details

Developer signature not checked yet Sep 19, 2025
Validated against Google Play Sep 19, 2025
Signed byCN=Unknown, OU=Unknown, O=SOS Online Backup, L=Unknown, ST=CA, C=US
Signing certificate (SHA-1)D4:42:E0:A7:6F:30:3D:25:6A:13:1F:C7:E4:1C:20:E0:90:4F:00:35
File MD5037361e481e97ee82d270e9e5fffe24f
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 (12)

SOS Online Backup requests 12 permissions, 2 of them sensitive.

Read media images Sensitive android.permission.READ_MEDIA_IMAGES
Read shared storage Sensitive android.permission.READ_EXTERNAL_STORAGE
Advertising ID com.google.android.gms.permission.AD_ID
Foreground service data sync android.permission.FOREGROUND_SERVICE_DATA_SYNC
Full network access android.permission.INTERNET
Google Play install referrer com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE
Internal broadcast protection (app-defined) com.sosonlinebackup.android.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Prevent the device from sleeping android.permission.WAKE_LOCK
Run at startup android.permission.RECEIVE_BOOT_COMPLETED
Run foreground services android.permission.FOREGROUND_SERVICE
Show notifications android.permission.POST_NOTIFICATIONS
View network connections android.permission.ACCESS_NETWORK_STATE

Required hardware & features

Basic touch input android.hardware.faketouch
Portrait screen android.hardware.screen.portrait

SOS Online Backup APK: questions and answers

Is there a version of SOS Online Backup for older Android phones?

The current version needs Android 8.1 or later. Version 1.7.4.675 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 1.7.4.675 · 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 the SOS Online Backup 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 037361e481e97ee82d270e9e5fffe24f.