APSFL Operators
v2.1 · 17 MB · code 20100
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File information
UpdatedAug 15, 2021
PublishedAug 15, 2021
Packagecom.dreamstep.apfsl
Versionv2.1 (20100)
Size17 MB
MD5f5096822ac627c5c16429b6a9b867512
Min SDK19
ABIsx86, x86-64, armeabi, armeabi-v7a, arm64-v8a
Malware scanTRUSTED
Signature SHA14E:71:77:D7:58:01:F5:3B:6F:11:7C:9F:C9:C5:01:A9:5C:F0:BF:C6
SignerCN=Android, OU=Android, O=Google Inc., L=Mountain View, ST=California, C=US
Total downloads10,000
This version10,000
DeveloperDreamstep Software Innovations Pvt Ltd
Age ratingEveryone
What's new in v2.1
Bug fixes
Security scan
TRUSTED
- Developer signature verified 2021-08-15
- Scanned for malware 2021-08-15 15:28:29
- Signature SHA1 4E:71:77:D7:58:01:F5:3B:6F:11:7C:9F:C9:C5:01:A9:5C:F0:BF:C6
- File MD5 f5096822ac627c5c16429b6a9b867512
How to install APSFL Operators v2.1 on Android 4.4 KitKat+
Takes about 2 minutes. You'll need roughly 17 MB of free storage.
- Grab com.dreamstep.apfsl_20100.apk — hit the Download button above (17 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 f5096822ac627c5c…. Any difference means the file is corrupted or tampered — delete and re-download.
- Open the APK — tap the download notification, or find com.dreamstep.apfsl_20100.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 APSFL Operators — tap Open on the install screen, or find the APSFL Operators icon in your app drawer (this build targets x86/x86-64/armeabi/armeabi-v7a/arm64-v8a devices).
Common install errors for APSFL Operators
- "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 4.4 KitKat 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/armeabi-v7a/arm64-v8a native code. Devices with a different CPU will reject it.