
Obsidian 4
IMPORTANT: firmware's version should be 1.21 or higher
American Technologies Network Corp · com.atn.obsidian4K
- Signature matches the Google Play version Details
At a glance
- Latest version
- v1.49.59 (59)
- Updated
- Jul 13, 2026 (3 months ago)
- APK size
- 22.6 MB
- Requires
- Android 5.0+ (API 21)
- CPU support
- ARM 32-bit, ARM 64-bit
- Category
- Tools (app)
- Listed since
- May 24, 2021 (at least)
- Permissions
- 15 (6 sensitive)
- Website
- atncorp.com
- Developer contact
- [email protected]
About this APK
Obsidian 4 is an app by American Technologies Network Corp in the Tools category, listed since at least May 2021. It includes native code for ARM 32-bit and ARM 64-bit, so it runs on practically every phone.
It asks for 15 permissions, 6 of them sensitive, including precise location, approximate location and read shared storage.
What's new in v1.49.59
Description
From the listing uploaded by “appupdater”.
Security & authenticity
Signing certificate
- Signature matches the Google Play version Checked by the source store on Jul 13, 2026.
- Certificate from Google Play App Signing Google keeps the signing key for the developer, so the certificate carries Google's name.
Store checks and file details
- Developer signature verified Jul 13, 2026
- Validated against Google Play Jul 13, 2026
- Signed byCN=Android, OU=Android, O=Google Inc., L=Mountain View, ST=California, C=US
- Signing certificate (SHA-1)7E:BA:82:2B:10:7F:A7:9E:58:F4:B0:97:6F:0B:35:67:25:67:42:41
- File MD5cc7198c34287a881a658543226661e9c
- 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 (15)
Obsidian 4 requests 15 permissions, 6 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
- Modify shared storage Sensitive android.permission.WRITE_EXTERNAL_STORAGE
- Precise location Sensitive android.permission.ACCESS_FINE_LOCATION
- Read shared storage Sensitive android.permission.READ_EXTERNAL_STORAGE
- Bluetooth android.permission.BLUETOOTH
- Bluetooth admin android.permission.BLUETOOTH_ADMIN
- Change wifi multicast state android.permission.CHANGE_WIFI_MULTICAST_STATE
- Change wifi state android.permission.CHANGE_WIFI_STATE
- Control vibration android.permission.VIBRATE
- Full network access android.permission.INTERNET
- Prevent the device from sleeping android.permission.WAKE_LOCK
- View Wi-Fi connections android.permission.ACCESS_WIFI_STATE
- 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
- Wi-Fi android.hardware.wifi
Obsidian 4 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 Obsidian 4 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 cc7198c34287a881a658543226661e9c.