Smart Team Communicator (STC)
v25.05.21 · 7.6 MB · code 21
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File information
UpdatedNov 24, 2025
PublishedOct 19, 2020
Packagecom.rapidcyber.stc
Versionv25.05.21 (21)
Size7.6 MB
MD504eb2bd9cc6f289ab11e1b232a16d52d
Min SDK26
Malware scanTRUSTED
Signature SHA147:82:56:A7:04:C3:B9:54:66:5E:F0:63:1E:A4:43:15:E6:C1:54:E6
SignerCN=Android, OU=Android, O=Google Inc., L=Mountain View, ST=California, C=US
Total downloads1,000
This version1,000
DeveloperRapid Cyber Solutions, Inc.
Age ratingEveryone
What's new in v25.05.21
Improved UI
Security scan
TRUSTED
- Developer signature verified 2025-11-24
- Signature SHA1 47:82:56:A7:04:C3:B9:54:66:5E:F0:63:1E:A4:43:15:E6:C1:54:E6
- File MD5 04eb2bd9cc6f289ab11e1b232a16d52d
How to install Smart Team Communicator (STC) v25.05.21 on Android 8.0 Oreo+
Takes about 2 minutes. You'll need roughly 7.6 MB of free storage.
- Grab com.rapidcyber.stc_21.apk — hit the Download button above (7.6 MB). If your browser warns about APK files, choose Keep or Download anyway — that warning fires on every APK, not just this one.
- Trust your browser to install — on Android 8+ go to Settings → Apps → Special access → Install unknown apps, pick the app you downloaded with (Chrome, Firefox, Files, etc.), and flip Allow from this source. On older Android, toggle Unknown sources under Security.
- (Optional) Verify the file — compute the MD5 of the downloaded APK and make sure it matches 04eb2bd9cc6f289a…. Any difference means the file is corrupted or tampered — delete and re-download.
- Open the APK — tap the download notification, or find com.rapidcyber.stc_21.apk in your Files app under Downloads, then tap it. Android's package installer will appear.
- Check the signer — the install screen will name the publisher. For this build it should read CN=Android, OU=Android, O=Google Inc., L=Mountain View, ST=California, C=US. If it doesn't match, cancel — you have the wrong file.
- Review permissions & tap Install — scroll the permission list, then confirm. If Play Protect flags it, tap Install anyway (this APK was scanned as TRUSTED).
- Done — open Smart Team Communicator (STC) — tap Open on the install screen, or find the Smart Team Communicator (STC) icon in your app drawer.
Common install errors for Smart Team Communicator (STC)
- "App not installed" — usually means an older or differently-signed version is already on your device. Uninstall it first, then retry. Your data may be lost unless you back it up.
- "Parse error" — the APK is for a newer Android than yours. This version needs Android 8.0 Oreo or later. Pick an older build from the versions list below.
- "There was a problem parsing the package" — the download was interrupted. Delete the file and re-download over Wi-Fi.