f-Stop Printing Calculator
v2.0 · 704.6 KB · code 3
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File information
UpdatedJun 4, 2024
PublishedApr 20, 2021
Packagecom.digitaltruth.fstop
Versionv2.0 (3)
Size704.6 KB
MD5787c04d4b64e5d7ae9a14e1c343531fc
Min SDK16
Malware scanTRUSTED
Signature SHA176:85:D0:CA:79:86:70:30:4A:23:D5:A2:00:F7:E2:3C:9C:A6:78:C9
SignerCN=Jon Mided, O=Digitaltruth Photo Ltd
Total downloads5,000
This version5,000
DeveloperDigitaltruth Photo Ltd
Age ratingEveryone
What's new in v2.0
Compatibility update
Security scan
TRUSTED
- Developer signature verified 2024-06-04
- Signature SHA1 76:85:D0:CA:79:86:70:30:4A:23:D5:A2:00:F7:E2:3C:9C:A6:78:C9
- File MD5 787c04d4b64e5d7ae9a14e1c343531fc
How to install f-Stop Printing Calculator v2.0 on Android API 16+
Takes about 2 minutes. You'll need roughly 704.6 KB of free storage.
- Grab com.digitaltruth.fstop_3.apk — hit the Download button above (704.6 KB). 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 787c04d4b64e5d7a…. Any difference means the file is corrupted or tampered — delete and re-download.
- Open the APK — tap the download notification, or find com.digitaltruth.fstop_3.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=Jon Mided, O=Digitaltruth Photo Ltd. 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 f-Stop Printing Calculator — tap Open on the install screen, or find the f-Stop Printing Calculator icon in your app drawer.
Common install errors for f-Stop Printing Calculator
- "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 16 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.