
Field Experts
Field service engineers mobile app
Colt Technology Services · com.colt.coltengineering
- The source store flagged this file with a security warning Details
At a glance
- Latest version
- v2.26 (214)
- Updated
- May 1, 2026 (5 months ago)
- APK size
- 33 MB
- Requires
- Android 9+ (API 28)
- CPU support
- ARM 32-bit, ARM 64-bit
- Graphics
- OpenGL ES 2.0+
- Category
- Communication (app)
- Listed since
- Mar 11, 2021 (at least)
- Permissions
- 17 (5 sensitive)
- Developer contact
- [email protected]
- Privacy
- Developer's privacy policy
About this APK
Field Experts is an app by Colt Technology Services in the Communication category, listed since at least March 2021. It includes native code for ARM 32-bit and ARM 64-bit, so it runs on practically every phone.
Since version 2.19, the minimum Android version rose from 5.0 to 9. It asks for 17 permissions, 5 of them sensitive, including camera, call phone and read phone status and identity.
What's new in v2.26
Description
From the listing uploaded by “appupdater”.
Version history
3 versions are listed, going back to v2.19. Since v2.26 it requires Android 9+.
Security & authenticity
Signing certificate
- Signature matches the Google Play version Checked by the source store on May 1, 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 check failed Sep 26, 2026
- Validated against Google Play May 1, 2026
- Signed byCN=Android, OU=Android, O=Google Inc., L=Mountain View, ST=California, C=US
- Signing certificate (SHA-1)33:C8:98:64:12:CB:F9:0D:C2:6A:C6:8A:4B:13:DE:E4:9D:E0:47:01
- File MD532b54e2bd883424fc340f64c79649dbe
- 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 (17)
Field Experts requests 17 permissions, 5 of them sensitive.
- Call phone Sensitive android.permission.CALL_PHONE
- Camera Sensitive android.permission.CAMERA
- Read media images Sensitive android.permission.READ_MEDIA_IMAGES
- Read media visual user selected Sensitive android.permission.READ_MEDIA_VISUAL_USER_SELECTED
- Read phone status and identity Sensitive android.permission.READ_PHONE_STATE
- Coltengineering maps receive (custom) com.colt.coltengineering.permission.MAPS_RECEIVE
- Control vibration android.permission.VIBRATE
- Full network access android.permission.INTERNET
- Internal broadcast protection (app-defined) com.colt.coltengineering.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
- 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 Wi-Fi connections android.permission.ACCESS_WIFI_STATE
- View network connections android.permission.ACCESS_NETWORK_STATE
Required hardware & features
- Camera any android.hardware.camera.any
- Basic touch input android.hardware.faketouch
- Landscape screen android.hardware.screen.landscape
- Portrait screen android.hardware.screen.portrait
- Wi-Fi android.hardware.wifi
Field Experts 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 Field Experts APK safe?
No one can promise that a file is safe, but some things can be checked. The source store flagged this file with a security warning. Its signature matches the Google Play version. After downloading, check that the file's MD5 is 32b54e2bd883424fc340f64c79649dbe.