Watts Amps Volts Calculator
v3.9.4 · 3.9 MB · code 30904
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File information
UpdatedJun 25, 2022
PublishedJul 11, 2021
Packagecom.procerts.wattsampsvolts
Versionv3.9.4 (30904)
Size3.9 MB
MD5b595169abf729684c1b0e483a8202fe9
Min SDK19
Malware scanTRUSTED
Signature SHA1AD:9B:FE:0C:E9:2E:0A:37:F1:C7:E1:66:CD:74:0F:85:CC:3C:B5:FD
SignerCN=Gary Lince, O=Pro Certs Software Ltd, C=GB
Total downloads100,000
This version100,000
DeveloperPro Certs Software Ltd
Age ratingEveryone
What's new in v3.9.4
A few optimizations.
Security scan
TRUSTED
- Developer signature verified 2022-06-25
- Scanned for malware 2022-06-25 17:50:25
- Signature SHA1 AD:9B:FE:0C:E9:2E:0A:37:F1:C7:E1:66:CD:74:0F:85:CC:3C:B5:FD
- File MD5 b595169abf729684c1b0e483a8202fe9
How to install Watts Amps Volts Calculator v3.9.4 on Android 4.4 KitKat+
Takes about 2 minutes. You'll need roughly 3.9 MB of free storage.
- Grab com.procerts.wattsampsvolts_30904.apk — hit the Download button above (3.9 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 b595169abf729684…. Any difference means the file is corrupted or tampered — delete and re-download.
- Open the APK — tap the download notification, or find com.procerts.wattsampsvolts_30904.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=Gary Lince, O=Pro Certs Software Ltd, C=GB. 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 Watts Amps Volts Calculator — tap Open on the install screen, or find the Watts Amps Volts Calculator icon in your app drawer.
Common install errors for Watts Amps Volts 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 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.