3D PDF Viewer
v2.2 · 7.2 MB · code 7
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File information
UpdatedNov 5, 2022
PublishedNov 5, 2022
Packagecom.prototech.threedpdfviewer
Versionv2.2 (7)
Size7.2 MB
MD5f495a43486dc56f450decba372190ed1
Min SDK16
ABIsx86, x86-64, armeabi-v7a, arm64-v8a
Malware scanTRUSTED
Signature SHA148:8C:2B:12:78:C2:38:1C:BD:D8:BC:46:00:8D:D5:C0:64:11:28:24
SignerCN=PROTOTECH SOLUTIONS, OU=PROTOTECH SOLUTIONS, O=PROTOTECH SOLUTIONS, L=PUNE, ST=MAHARASHTRA, C=IN
Total downloads50,000
This version50,000
DeveloperProtoTech Solutions and Services Pvt. Ltd
Age ratingEveryone
What's new in v2.2
Minor bug fixes
Security scan
TRUSTED
- Developer signature verified 2022-11-05
- Signature SHA1 48:8C:2B:12:78:C2:38:1C:BD:D8:BC:46:00:8D:D5:C0:64:11:28:24
- File MD5 f495a43486dc56f450decba372190ed1
How to install 3D PDF Viewer v2.2 on Android API 16+
Takes about 2 minutes. You'll need roughly 7.2 MB of free storage.
- Grab com.prototech.threedpdfviewer_7.apk — hit the Download button above (7.2 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 f495a43486dc56f4…. Any difference means the file is corrupted or tampered — delete and re-download.
- Open the APK — tap the download notification, or find com.prototech.threedpdfviewer_7.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=PROTOTECH SOLUTIONS, OU=PROTOTECH SOLUTIONS, O=PROTOTECH SOLUTIONS, L=PUNE, ST=MAHARASHTRA, C=IN. 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 3D PDF Viewer — tap Open on the install screen, or find the 3D PDF Viewer icon in your app drawer (this build targets x86/x86-64/armeabi-v7a/arm64-v8a devices).
Common install errors for 3D PDF Viewer
- "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.
- Works on one phone but not another — this build ships x86/x86-64/armeabi-v7a/arm64-v8a native code. Devices with a different CPU will reject it.