Technical Pocket Guide
v8.0.5 · 122.6 MB · code 85
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File information
UpdatedFeb 17, 2026
PublishedOct 12, 2024
Packagede.schaeffler.stt
Versionv8.0.5 (85)
Size122.6 MB
MD55eb86e054c94ad7267dc223648d2bd02
Min SDK25
ABIsx86, x86-64, armeabi-v7a, arm64-v8a, mips, mips64
Malware scanTRUSTED
Signature SHA14F:F6:E7:48:F4:E9:3F:F9:7C:1A:B8:AA:10:93:F4:CE:12:D3:BC:C1
SignerO=Top21_Schaeffler
Total downloads50,000
This version50,000
DeveloperSchaeffler Gruppe
Age ratingEveryone
What's new in v8.0.5
- add user role enhancement
- minor bugs fixes
- minor bugs fixes
Security scan
TRUSTED
- Developer signature verified 2026-02-17
- Signature SHA1 4F:F6:E7:48:F4:E9:3F:F9:7C:1A:B8:AA:10:93:F4:CE:12:D3:BC:C1
- File MD5 5eb86e054c94ad7267dc223648d2bd02
How to install Technical Pocket Guide v8.0.5 on Android API 25+
Takes about 2 minutes. You'll need roughly 122.6 MB of free storage.
- Grab de.schaeffler.stt_85.apk — hit the Download button above (122.6 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 5eb86e054c94ad72…. Any difference means the file is corrupted or tampered — delete and re-download.
- Open the APK — tap the download notification, or find de.schaeffler.stt_85.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=Top21_Schaeffler. 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 Technical Pocket Guide — tap Open on the install screen, or find the Technical Pocket Guide icon in your app drawer (this build targets x86/x86-64/armeabi-v7a/arm64-v8a/mips/mips64 devices).
Common install errors for Technical Pocket Guide
- "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 API 25 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 x86/x86-64/armeabi-v7a/arm64-v8a/mips/mips64 native code. Devices with a different CPU will reject it.