Sphere Sign

Sphere Sign is 3G Mobile Group's biometric signature solution

3G Mobile Group · com.tresgmg.sign

Not rated yet 50K+ downloads v5.138 34.2 MB Android 6.0+ PEGI 3 · Everyone

Download APK 34.2 MB All versions

Signature matches the Google Play version Details

At a glance

Latest version: v5.138 (5138)
Updated: Oct 1, 2026 (7 days ago)
APK size: 34.2 MB
Requires: Android 6.0+ (API 23)
CPU support: x86 32-bit, x86 64-bit, ARM 32-bit, ARM 64-bit
Category: Productivity (app)
Listed since: May 7, 2021 (at least)
Permissions: 25 (6 sensitive)
Website: 3gmg.com
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

Sphere Sign is an app by 3G Mobile Group in the Productivity category, listed since at least May 2021. 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.

Since version 5.129, the APK grew from 21.5 MB to 34.2 MB and the minimum Android version rose from 5.0 to 6.0. It asks for 25 permissions, 6 of them sensitive, including precise location, call phone and approximate location. It asks for the same permissions as version 5.137. The app can read the advertising ID that ad and analytics services use.

What's new in v5.138

- Mejoras de rendimiento

Description

From the listing uploaded by “appupdater”.

Sphere Sign is 3G Mobile Group's biometric signature solution that represents the evolution in document signing. It allows to have documents on the move ready to be signed by one or more people. The biometric signature process, based on Smart Access SealSign technology, gives full legal validity to the final document. It is a cloud platform, with no infrastructure costs or registration fees. If you want more information, do not hesitate to contact us through our contact email address, [email protected]

Version history

4 versions are listed, going back to v5.129. Since v5.136 it requires Android 6.0+.

v5.138 LATEST Oct 1, 2026 34.2 MB TRUSTED v5.137 Sep 21, 2026 34.2 MB TRUSTED v5.136 Jul 1, 2026 30.9 MB TRUSTED v5.129 Nov 24, 2025 21.5 MB TRUSTED

All 4 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Oct 1, 2026.
Certificate issued to “3G Soluciones M?viles” This is the certificate of the Google Play version.
Same certificate as the 2 other versions checked

Store checks and file details

Developer signature verified Oct 1, 2026
Validated against Google Play Oct 1, 2026
Signed byCN=3G Soluciones M?viles, OU=3G, O=3G Soluciones M?viles, L=Valladolid, ST=Valladolid, C=34
Signing certificate (SHA-1)F5:0E:23:DF:E0:AB:CB:3F:9A:8E:5D:F3:A2:4D:13:E7:DE:B6:0B:82
File MD5b2b1cc8e64dca218c6501bf051c97434
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 (25)

Sphere Sign requests 25 permissions, 6 of them sensitive.

Approximate location Sensitive android.permission.ACCESS_COARSE_LOCATION
Call phone Sensitive android.permission.CALL_PHONE
Display over other apps Sensitive android.permission.SYSTEM_ALERT_WINDOW
Precise location Sensitive android.permission.ACCESS_FINE_LOCATION
Read phone status and identity Sensitive android.permission.READ_PHONE_STATE
Read shared storage Sensitive android.permission.READ_EXTERNAL_STORAGE
Access adservices ad id android.permission.ACCESS_ADSERVICES_AD_ID
Access adservices attribution android.permission.ACCESS_ADSERVICES_ATTRIBUTION
Access location android.permission.ACCESS_LOCATION
Advertising ID com.google.android.gms.permission.AD_ID
Control vibration android.permission.VIBRATE
Foreground service media projection android.permission.FOREGROUND_SERVICE_MEDIA_PROJECTION
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.tresgmg.sign.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Manifest read phone state (custom) android.Manifest.permission.READ_PHONE_STATE
Nfc android.permission.NFC
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
Show notifications android.permission.POST_NOTIFICATIONS
Use biometric hardware android.permission.USE_BIOMETRIC
Use fingerprint hardware android.permission.USE_FINGERPRINT
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

Sphere Sign APK: questions and answers

Is there a version of Sphere Sign for older Android phones?

The current version needs Android 6.0 or later. Version 5.129 is the newest listed build that installs on Android 5.0 and later. Get version 5.129 · 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 Sphere Sign 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 b2b1cc8e64dca218c6501bf051c97434.