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Das inoffizielle Android-SystemhandbuchDas inoffizielle Android-Systemhandbuch
Buy at Amazon for €6.99
Vanja SD/Micro SD Card Reader, Micro USB OTG Adapter and USB 2.0 Memory Card Reader for SDXC, SDHC, SD, MMC, RS-MMC, Micro SDXC, Micro SD, Micro SDHC Card and UHS-I CardsVanja SD/Micro SD Card Reader, Micro USB OTG Adapter and USB 2.0 Memory Card Reader for SDXC, SDHC, SD, MMC, RS-MMC, Micro SDXC, Micro SD, Micro SDHC Card and UHS-I Cards
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Haihuic Europe GPS Navigation Map Android System 8GB Memory Card for In-Dash Car DVD Player Stereo Radio GPS NavigatorHaihuic Europe GPS Navigation Map Android System 8GB Memory Card for In-Dash Car DVD Player Stereo Radio GPS Navigator
Buy at Amazon for €11.59
ANTEMPER Tablet 10 Inch Android 9.0, Quad Core, 32 GB eMC, 2 GB RAM, Phablet with Dual SIM Card Slot for Phone Calls, 1280p IPS HD Display, 5 MP + 2 MP Dual Cameras, WiFi/Bluetooth/GPS 【Black】ANTEMPER Tablet 10 Inch Android 9.0, Quad Core, 32 GB eMC, 2 GB RAM, Phablet with Dual SIM Card Slot for Phone Calls, 1280p IPS HD Display, 5 MP + 2 MP Dual Cameras, WiFi/Bluetooth/GPS 【Black】
Buy at Amazon for €113.99
Ugreen Micro USB 2.0 OTG Cable On The Go Adapter Male Micro USB to Female USB for Samusung S6 Edge S4 S3 Android or Windows Smart Phones Tablets with OTG Function 12cm BlackUgreen Micro USB 2.0 OTG Cable On The Go Adapter Male Micro USB to Female USB for Samusung S6 Edge S4 S3 Android or Windows Smart Phones Tablets with OTG Function 12cm Black
Buy at Amazon for €9.99
KiWiBiRD Micro USB Male to USB A 2.0 Female High Speed OTG Adapter USB to Micro USB Plug Compatible with Android Smartphones/Tablets with OTG Function - Pack of 2KiWiBiRD Micro USB Male to USB A 2.0 Female High Speed OTG Adapter USB to Micro USB Plug Compatible with Android Smartphones/Tablets with OTG Function - Pack of 2
Buy at Amazon for €5.49
Tablet 10 Zoll FHD+Display 4GB RAM 64GB ROM Android 9.0 Zertifiziert von Google GMS 4G LTE Tablet PC Quad-Core 8500mAh Dual-SIM Dual-Kamera 8MP Tablets mit WiFi,​Bluetooth,​GPS,​OTG(Gold)Tablet 10 Zoll FHD+Display 4GB RAM 64GB ROM Android 9.0 Zertifiziert von Google GMS 4G LTE Tablet PC Quad-Core 8500mAh Dual-SIM Dual-Kamera 8MP Tablets mit WiFi,​Bluetooth,​GPS,​OTG(Gold)
Buy at Amazon for €117.92
Samsung Galaxy Tab S/S6., greySamsung Galaxy Tab S/S6., grey
Buy at Amazon for €325.56
Huawei MediaPad M5 Lite WiFi 10, Tablet PC 25.6 cm (10.1 inches), Full HD, Kirin 659, 3GB RAM, 32GB Internal Memory, Android 8.0, EMUI 8.0, GrayHuawei MediaPad M5 Lite WiFi 10, Tablet PC 25.6 cm (10.1 inches), Full HD, Kirin 659, 3GB RAM, 32GB Internal Memory, Android 8.0, EMUI 8.0, Gray
Buy at Amazon for €248.99
As of 2021-01-16 08:15
prices & availability might be subject to change.
StatsPermissionsConcernsSearch apps by category and permissiondehelp

Backup & Co.

Backup your apps

2021-01-15

These helpers are to backup your apps (.apk files), not their data!

Also see: AndSync with Perl via ADB => ICS+, no root required

Backup SMS/MMS

2021-01-16

Backup call logs

2021-01-15

Backup calendars

2020-12-29

Backup contacts

2021-01-16

The easiest way to export/import your contact data can be found in the Contacts app itself: it offers to export/import data using the VCard format, which is also understood perfectly by most desktop applications. From the main window, simply activate the menu, and chose Export/Import – there you are.

Backup bookmarks

2021-01-16

Backup contacts, SMS, and more

2021-01-16

Full Backups

Full Backups (root required)

2021-01-16

Full Backups without root

2021-01-16

Not all of these "complete backups" do really backup everything (if they do, I've pointed it out). An (almost) full backup without root is only possible via ADB on Android 4.0+.

Also see: Adebar, a small project of mine. Utilizes ADB and Bash to generate scripts for backup/restore, also taking care for re-disabling apps following a restore.

In the works: A FOSS pendant to the built-in Google Cloud backup, where you can shose your own resources (e.g. local card, Nextcloud) to back up to. A video demo of the Beta can be found at PeerTube. It’s called Seedvault, and you can find the source here.

Full Backups: Nandroid

2021-01-16

Nandroid Backups require a rooted device with Custom Recovery.

And then there're also various PC-Tools for Backups:

Also see: Full Backup of non-rooted devices

Backups to the Cloud

Also see: Synchronizing Files and Folders.

Backup SMS into the Cloud

2021-01-16

Backup contacts into the Cloud

2021-01-16

Backup SMS, MMS, and more into the Cloud

2021-01-16

Various Cloud Backups

2021-01-16

Other Backups

Backup WiFi APNs

2020-12-29

This generally requires root. And it's a fact: root has permission to access everything…

For more apps, also see WiFi Password Recovery

Photo Backup

2021-01-11

Various Backups

2021-01-16

Further Readings:

2021-01-16