EFS Installation APK Screenshots
EFS Installation App Information
Download Sources
Device Configuration
Split APKs Installation Guide
Some apps are distributed as Split APKs (multiple .apk files packaged together) to optimize resources. Standard Android installers cannot open them.
What's New in EFS Installation
We have fixed a problem when using hidden fields in the task preview.
About EFS Installation
Erleichtern Sie die Abnahme von Photovoltaik-Anlagen mit der EFS App, Ihrer Lösung für schnelle und effiziente Dokumentation. Die EFS App ist eine zeit- und ressourcensparende Lösung, ideal für den Einsatz im Feld.
Erstellen Sie professionelle Protokolle in Echtzeit, die automatisch an alle relevanten Parteien gesendet werden. Die Sicherheit Ihrer Daten ist gewährleistet, da die EFS App nach ISO 27001 zertifiziert ist.
Die EFS App funktioniert sowohl online als auch offline, synchronisiert Ihre Arbeit automatisch mit anderen Geräten und stellt sicher, dass Sie niemals Ihren Fortschritt verlieren.
Unser Support-Team steht Ihnen bei Fragen oder für Unterstützung jederzeit zur Verfügung.
How to Download EFS Installation APK
- Enter the package name
de.efs.formson the APK Downloader. - Select your device architecture (ARM64 recommended for modern devices).
- Click Download to get the merged APK file.
- Transfer and install the APK on your Android device.
- Keep Updated: Visit APKDER.COM regularly to search for and download the latest secure versions of your favorite apps.
Frequently Asked Questions
Yes! Every APK download provided by APKDER undergoes rigorous security verification. We verify that the cryptographic signature of the APK file matches the official signature from the developer, ensuring the APK is original, untouched, and free from any modifications.
To install it, you first need to enable "Unknown Sources" in your Android device's security settings. After downloading the APK file from APKDER, tap it to begin the installation and follow the on-screen prompts.
Yes! As soon as the developer releases a new version of EFS Installation, we will update and provide the updated APK on APKDER. You can simply download and install the new APK over the existing installation without losing your app data.
Yes. APKDER allows you to bypass geographic restrictions and download official APK files directly, even if the app or game is not officially available in your country's store.
A standard APK is a single installation package. An XAPK or Split APK contains multiple resource files (like OBB expansions or device-specific layout parts) packaged together. To install them, you can download splits individually or use dynamic helper tools like Split APKs Installer (SAI).
Security & Signature Verification
This APK download is 100% safe. We verify that the cryptographic signature of the file matches the official developer credentials. No modifications or adware are injected.
