PDF SDK for Hybrid Apps
v2.1.4 · 1.4 MB · code 20
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File information
UpdatedFeb 10, 2026
PublishedOct 14, 2022
Packagecom.ulm.pdfapihtml5droid
Versionv2.1.4 (20)
Size1.4 MB
MD51db017c60fad6e70216b51273d428039
Min SDK9
Malware scanTRUSTED
Signature SHA1DB:F9:78:4E:6C:6A:3E:8A:56:D0:5A:94:51:CB:8F:4C:8C:36:AD:64
SignerCN=Francesco De Stefano, L=Casagiove, ST=Caserta, C=39
Total downloads1,000
This version1,000
DeveloperUlmDesign
Age ratingEveryone
What's new in v2.1.4
Application updated to API level 33
Security scan
TRUSTED
- Developer signature verified 2026-02-10
- Signature SHA1 DB:F9:78:4E:6C:6A:3E:8A:56:D0:5A:94:51:CB:8F:4C:8C:36:AD:64
- File MD5 1db017c60fad6e70216b51273d428039
How to install PDF SDK for Hybrid Apps v2.1.4 on Android API 9+
Takes about 2 minutes. You'll need roughly 1.4 MB of free storage.
- Grab com.ulm.pdfapihtml5droid_20.apk — hit the Download button above (1.4 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 1db017c60fad6e70…. Any difference means the file is corrupted or tampered — delete and re-download.
- Open the APK — tap the download notification, or find com.ulm.pdfapihtml5droid_20.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=Francesco De Stefano, L=Casagiove, ST=Caserta, C=39. 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 PDF SDK for Hybrid Apps — tap Open on the install screen, or find the PDF SDK for Hybrid Apps icon in your app drawer.
Common install errors for PDF SDK for Hybrid Apps
- "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 9 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.