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Haihuic North America + Europe GPS Navigation Map Wince System 8GB Memory Card + Adapter for In-Dash Car DVD Player Navigation Stereo Radio and Portable GPS NavigatorHaihuic North America + Europe GPS Navigation Map Wince System 8GB Memory Card + Adapter for In-Dash Car DVD Player Navigation Stereo Radio and Portable GPS Navigator
Buy at Amazon for €10.39
Sandisk Ultra Android 64GB MicroSDXC Memory Card Up to 80 MB/s – Class 10Sandisk Ultra Android 64GB MicroSDXC Memory Card Up to 80 MB/s – Class 10
Buy at Amazon for €13.99
WingHome 4-in-1 SD Card Reader for iPhone and Android, Trail Camera Card Viewer, Micro SD/TF Card Adapter to View Game Camera Photos and Videos on Smart DevicesWingHome 4-in-1 SD Card Reader for iPhone and Android, Trail Camera Card Viewer, Micro SD/TF Card Adapter to View Game Camera Photos and Videos on Smart Devices
Buy at Amazon for €13.99
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
Buy at Amazon for €8.99
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.
Buy at Amazon for €6.59
BIGtec OTG CableBIGtec OTG Cable
Buy at Amazon for €2.95
JSAUX OTG Adaptor [Pack of 2] Micro USB 2.0 Male to USB Female OTG Cable 15 cm Compatible with Samsung Galaxy S5 S6 S7 Edge, Note 5, Galaxy Tab 3, Huawei P9/P10 Lite, Micro Smartphones/Tablets 15cmJSAUX OTG Adaptor [Pack of 2] Micro USB 2.0 Male to USB Female OTG Cable 15 cm Compatible with Samsung Galaxy S5 S6 S7 Edge, Note 5, Galaxy Tab 3, Huawei P9/P10 Lite, Micro Smartphones/Tablets 15cm
Buy at Amazon for €8.99
USB Stick for iPhone, ENSPOWAY USB Stick 64GB Key Fob External Memory Stick Flash Drive USB Memory Expansion for iPad iOS Mac Android Laptop PC SilverUSB Stick for iPhone, ENSPOWAY USB Stick 64GB Key Fob External Memory Stick Flash Drive USB Memory Expansion for iPad iOS Mac Android Laptop PC Silver
Buy at Amazon for €27.99
As of 2020-07-11 15:17
prices & availability might be subject to change.
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Backup & Co.

Backup your apps

2020-06-27

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

2020-06-27

Backup call logs

2020-06-27

Backup calendars

2020-06-27

Backup contacts

2020-06-27

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

2020-06-27

Backup contacts, SMS, and more

2020-06-27

Full Backups

Full Backups (root required)

2020-06-27

Full Backups without root

2020-06-27

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.

Full Backups: Nandroid

2020-06-27

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

2020-06-27

Backup contacts into the Cloud

2020-06-27

Backup SMS, MMS, and more into the Cloud

2020-06-27

Various Cloud Backups

2020-06-27

Other Backups

Backup WiFi APNs

2020-06-27

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

2020-07-05

Various Backups

2020-06-28

Further Readings:

2020-07-12