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Das inoffizielle Android-SystemhandbuchDas inoffizielle Android-Systemhandbuch
Buy at Amazon for €6.99
Samsung Galaxy Tab A7, Android Tablet, LTE, 7.040 Mah Battery, 10.4inch TFT Display, Four Speakers, 32 GB / 3 GB RAM, Tablet in Dark GraySamsung Galaxy Tab A7, Android Tablet, LTE, 7.040 Mah Battery, 10.4inch TFT Display, Four Speakers, 32 GB / 3 GB RAM, Tablet in Dark Gray
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Tablet 10.0Tablet 10.0
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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
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FineGood 2pcs 2-in-1 Micro USB 3.0 & 2.0 Type C OTG Adapter, USB-C Male Micro USB Male to USB-A 3.0 Female Converter for Android Google Nexus Samsung Galaxy NoteFineGood 2pcs 2-in-1 Micro USB 3.0 & 2.0 Type C OTG Adapter, USB-C Male Micro USB Male to USB-A 3.0 Female Converter for Android Google Nexus Samsung Galaxy Note
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Phicool USB Stick 128 GB USB 3.0 External Memory Expansion for iPhone iPad, OTG Android and USB C Android Samsung/Huawei/Oneplus, PC Mac Computer Laptop - RedPhicool USB Stick 128 GB USB 3.0 External Memory Expansion for iPhone iPad, OTG Android and USB C Android Samsung/Huawei/Oneplus, PC Mac Computer Laptop - Red
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POSUGEAR OTG Kabel USB C OTG Adapter, Typ C Stecker auf USB 3.0 Buchse Adapter Host-Kabel Kompatibel mit Huawei, Honor, Moto, Samsung, Oneplus, Sony, Xiaomi Redmi, Pocophone etc.POSUGEAR OTG Kabel USB C OTG Adapter, Typ C Stecker auf USB 3.0 Buchse Adapter Host-Kabel Kompatibel mit Huawei, Honor, Moto, Samsung, Oneplus, Sony, Xiaomi Redmi, Pocophone etc.
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Gigaset GX290 Plus Smartphone – Dust Resistant, Waterproof (IP68) – Display with Corning Gorilla Glass 3-6200 mAh Battery, Quick Charge Function – 4GB RAM + 64GB Memory – Android 10 – Black/Titanium GreyGigaset GX290 Plus Smartphone – Dust Resistant, Waterproof (IP68) – Display with Corning Gorilla Glass 3-6200 mAh Battery, Quick Charge Function – 4GB RAM + 64GB Memory – Android 10 – Black/Titanium Grey
Buy at Amazon for €329.00
USB Stick 32 GB iPhone OTG Android USB C Flash Drive Memory Stick Memory Expansion 128gbUSB Stick 32 GB iPhone OTG Android USB C Flash Drive Memory Stick Memory Expansion 128gb
Buy at Amazon for €49.99
As of 2021-04-11 17:11
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Backup & Co.

Backup your apps

2021-04-01

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

2021-04-02

Backup call logs

2021-04-01

Backup calendars

2021-04-03

Backup contacts

2021-04-02

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

2021-04-02

Backup contacts, SMS, and more

2021-04-02

Full Backups

Full Backups (root required)

2021-04-02

Full Backups without root

2021-04-02

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

2021-04-02

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

2021-04-02

Backup contacts into the Cloud

2021-04-02

Backup SMS, MMS, and more into the Cloud

2021-04-02

Various Cloud Backups

2021-04-02

Other Backups

Backup WiFi APNs

2021-04-03

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

2021-03-30

Various Backups

2021-04-02

Further Readings:

2021-04-11