Symphony Messaging BlackBerry
v103.0.0.5603 · 171.9 MB · code 5603
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File information
UpdatedFeb 1, 2026
PublishedJun 9, 2023
Packagecom.symphony.android.messaging.good
Versionv103.0.0.5603 (5603)
Size171.9 MB
MD51d18244a73e184e1d93474ee20a2bdfa
Min SDK31
ABIsarmeabi-v7a, arm64-v8a
Malware scanTRUSTED
Signature SHA136:80:A2:19:FD:91:7E:5A:D1:A4:3A:8A:A0:34:60:03:51:E0:1D:B0
SignerO=Symphony
Total downloads50,000
This version50,000
DeveloperSymphony Communication Services, LLC
Age ratingEveryone
What's new in v103.0.0.5603
New chat design (enable in Settings)
Start chats via phone number
Performance optimizations: Chat list display and message search
Start chats via phone number
Performance optimizations: Chat list display and message search
Security scan
TRUSTED
- Developer signature verified 2026-02-01
- Signature SHA1 36:80:A2:19:FD:91:7E:5A:D1:A4:3A:8A:A0:34:60:03:51:E0:1D:B0
- File MD5 1d18244a73e184e1d93474ee20a2bdfa
How to install Symphony Messaging BlackBerry v103.0.0.5603 on Android 12+
Takes about 2 minutes. You'll need roughly 171.9 MB of free storage.
- Grab com.symphony.android.messaging.good_5603.apk — hit the Download button above (171.9 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 1d18244a73e184e1…. Any difference means the file is corrupted or tampered — delete and re-download.
- Open the APK — tap the download notification, or find com.symphony.android.messaging.good_5603.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 O=Symphony. 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 Symphony Messaging BlackBerry — tap Open on the install screen, or find the Symphony Messaging BlackBerry icon in your app drawer (this build targets armeabi-v7a/arm64-v8a devices).
Common install errors for Symphony Messaging BlackBerry
- "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 12 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.
- Works on one phone but not another — this build ships armeabi-v7a/arm64-v8a native code. Devices with a different CPU will reject it.