📦 Android App DAVx CalDAV CardDAV WebDAV v4.5.13-gplay ρáíd Bundle

[Rectify]

App Overview: DAVdroid​

DAVdroid is an open-source, all-in-one synchronization solution for Android that provides two-way synchronization for contacts (CardDAV), calendars (CalDAV), and tasks (VTODO). The application integrates natively with Android 4+ and works with existing calendar and contacts apps.

Technical Specifications & Compatibility​

Requirement / Feature	Detail
Supported Protocols	CalDAV, CardDAV, VTODO
OS Compatibility	Android 4.0+ (Native implementation)
Device Optimization	Phones and tablets
Source Type	Open Source
Storage Restriction	Must not be moved to SD card (causes account/data loss)

Key Features​

• Unified Synchronization: Syncs DAV calendars, address books, and tasks within a single application.
• Two-Way Sync: Bi-directional synchronization between server and client.
• Easy Setup: Features resource auto-detection and support for self-signed certificates.
• Performance Optimization: Utilizes CTag/ETag algorithms and allows limiting the sync time range for past events.
• Security: Supports and recommends TLS encryption for secure synchronization over open networks.

Compatibility Notes & Workarounds​

• Android 4.1 & Samsung Devices: A known Android bug may cause accounts to be lost after a device reboot. To resolve this, install the free "DAVdroid JB Workaround" app. (Samsung users can also avoid this by downloading the app via the Samsung Store or Amazon Store).
• Android 4.4.2: Accounts may disappear after an app update. Install "DAVdroid JB Workaround" to mitigate this issue.

Verified Compatible Servers & Services​

Server / Service
AOL	eGroupware	OwnCloud
Apple Calendar & Contacts Server	fastmail	OwnCube
Apple iCloud	fruux	posteo.de
Baïkal	GMX	Radicale
Bitrix24	Group-Office	SOGo
contactzilla	Horde	Synology DSM
CozyCloud	IceWarp	Tine 2.0
DAViCal	Kerio Connect	web.de
KolabNow	Mac OS X Server	Yahoo (calendars only)
mailbox.org	mail.de	Yandex
Nextcloud	openCRX	Zimbra Server
Oracle Communications UCS

Changelog & Version Info​

Version 4.5.13

• Fixed bugs occurring after a major events/tasks library update in the previous version.

Installation Instructions (via Split APK Installer)​

1. Download and install the Split APK Installer (SAI) application.
2. Download the .apks archive for this app.
3. Open SAI, select the "Install APKs" button, then locate and select the downloaded archive.

Main link: Download