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Das inoffizielle Android-SystemhandbuchDas inoffizielle Android-Systemhandbuch
Buy at Amazon for EUR 7,00
SanDisk Extreme 128GB microSDXC Memory Card + SD Adapter with A2 App Performance + Rescue Pro Deluxe, up to 160MB/s, Class 10, UHS-I, U3, V30SanDisk Extreme 128GB microSDXC Memory Card + SD Adapter with A2 App Performance + Rescue Pro Deluxe, up to 160MB/s, Class 10, UHS-I, U3, V30
Buy at Amazon for EUR 24,99
POSUGEAR OTG Adapter, Micro USB 2.0 Stecker auf USB Buchse OTG Kabel Android Vergoldet für Samsung Galaxy S7, Galaxy Note 5, Galaxy Tab 3 et d´Autres Smartphones/TablettesPOSUGEAR OTG Adapter, Micro USB 2.0 Stecker auf USB Buchse OTG Kabel Android Vergoldet für Samsung Galaxy S7, Galaxy Note 5, Galaxy Tab 3 et d´Autres Smartphones/Tablettes
Buy at Amazon for EUR 6,89
KiWiBiRD Micro USB (männlich) zu USB 2.0 (weiblich) High Speed OTG Adapter Kompatibel mit Android Smartphones/Tablets mit OTG Funktion ***2er Pack***KiWiBiRD Micro USB (männlich) zu USB 2.0 (weiblich) High Speed OTG Adapter Kompatibel mit Android Smartphones/Tablets mit OTG Funktion ***2er Pack***
Buy at Amazon for EUR 5,48
Act Micro USB auf USB OTG Adapter Kabel für Smartphones Micro USB B male zu USB A female 2 Stücke (2 x Schwarz)Act Micro USB auf USB OTG Adapter Kabel für Smartphones Micro USB B male zu USB A female 2 Stücke (2 x Schwarz)
Buy at Amazon for EUR 6,95
Favrison 5.8 GHz FPV Android Empfänger 150CH UVC Video Downlink OTG Empfänger NUR für OTG UND UVC Android Handy und Windows Tablet Smartphone ComputerFavrison 5.8 GHz FPV Android Empfänger 150CH UVC Video Downlink OTG Empfänger NUR für OTG UND UVC Android Handy und Windows Tablet Smartphone Computer
Buy at Amazon for EUR 25,99
Samsung Galaxy Xcover 4 Smartphone (12,67 cm (5 Zoll) Touch-Display, 16 GB Speicher, Android 7,0 Nougat) schwarzSamsung Galaxy Xcover 4 Smartphone (12,67 cm (5 Zoll) Touch-Display, 16 GB Speicher, Android 7,0 Nougat) schwarz
Buy at Amazon for EUR 189,90
Huawei MediaPad M5 WiFi Tablet-PC 27,43 cm (10,8 Zoll), 2K-Display, Octa-Core Prozessor, 4 GB RAM, 32 GB interner Speicher, Android 8.0, EMUI 8.0, grauHuawei MediaPad M5 WiFi Tablet-PC 27,43 cm (10,8 Zoll), 2K-Display, Octa-Core Prozessor, 4 GB RAM, 32 GB interner Speicher, Android 8.0, EMUI 8.0, grau
Buy at Amazon for EUR 284,00
Cubot Power 4G-LTE Dual SIM Smartphone ohne Vertrag 5.99 Zoll (18:9) IPS FHD+ Touch Display mit 6000 mAh Akku 6GB Ram+128GB interner Speicher Android 8.1 20MP Hauptkamera / 13MP Frontkamera (Balu)Cubot Power 4G-LTE Dual SIM Smartphone ohne Vertrag 5.99 Zoll (18:9) IPS FHD+ Touch Display mit 6000 mAh Akku 6GB Ram+128GB interner Speicher Android 8.1 20MP Hauptkamera / 13MP Frontkamera (Balu)
Buy at Amazon for EUR 179,99
As of 2019-08-23 00:03
prices & availability might be subject to change.
StatsPermissionsConcernsSearch apps by category and permissiondehelp

Backup & Co.

Backup your apps

2019-08-17

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

2019-08-17

Backup call logs

2019-08-17

Backup calendars

2019-08-17

Backup contacts

2019-08-17

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

2019-08-17

Backup contacts, SMS, and more

2019-08-17

Full Backups

Full Backups (root required)

2019-08-17

Full Backups without root

2019-08-17

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.

Full Backups: Nandroid

2019-08-17

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

2019-08-17

Backup contacts into the Cloud

2019-08-17

Backup SMS, MMS, and more into the Cloud

2019-08-17

Various Cloud Backups

2019-08-17

Other Backups

Backup WiFi APNs

2019-08-17

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

2019-08-10

Various Backups

2019-08-17

Further Readings:

2019-08-20