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Das inoffizielle Android-SystemhandbuchDas inoffizielle Android-Systemhandbuch
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Micro SD Memory Cards 128GB TF Card Class 10 Designed for Android Smartphones, Tablets Class 10 SDXC Memory Card with Adapter (128GB)Micro SD Memory Cards 128GB TF Card Class 10 Designed for Android Smartphones, Tablets Class 10 SDXC Memory Card with Adapter (128GB)
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BOOX Nova Air 7.8 Inch E-Book Tablet Android 10 Front Light 32GB 300dpi HD OTG WiFi BT USB-C GreyBOOX Nova Air 7.8 Inch E-Book Tablet Android 10 Front Light 32GB 300dpi HD OTG WiFi BT USB-C Grey
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Nimaso Micro OTG Cable [Pack of 2], USB 2.0 to Micro USB OTG Adapter Nylon Compatible for Samsung Galaxy S5 S6 S7 Edge, Note 5, Galaxy Tab 3, Huawei P9/P10 Lite, Android Smartphones/TabletsNimaso Micro OTG Cable [Pack of 2], USB 2.0 to Micro USB OTG Adapter Nylon Compatible for Samsung Galaxy S5 S6 S7 Edge, Note 5, Galaxy Tab 3, Huawei P9/P10 Lite, Android Smartphones/Tablets
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Xiaomi Redmi 10 Smartphone + Headphones (16.51 cm (6.5 Inches) 90Hz FHD+ Dot Display, 4GB + 128GB Memory, 50MP AI Quad Rear Camera, 8MP Front Camera, Android 11) GreyXiaomi Redmi 10 Smartphone + Headphones (16.51 cm (6.5 Inches) 90Hz FHD+ Dot Display, 4GB + 128GB Memory, 50MP AI Quad Rear Camera, 8MP Front Camera, Android 11) Grey
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Samsung Galaxy Tab S7 FE 12.4 Inch 5G Android Tablet, Mystic BlackSamsung Galaxy Tab S7 FE 12.4 Inch 5G Android Tablet, Mystic Black
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Lenovo Tab P11 11 Inch Touchscreen Tablet (Qualcomm Snapdragon 662 8 Core, 4 GB RAM, 128 GB Memory, WiFi, Android 10)Lenovo Tab P11 11 Inch Touchscreen Tablet (Qualcomm Snapdragon 662 8 Core, 4 GB RAM, 128 GB Memory, WiFi, Android 10)
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As of 2021-10-22 18:36
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StatsPermissionsConcernsSearch apps by category and permissiondehelp

Backup & Co.

Backup your apps

2021-10-08

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

2021-10-09

Backup call logs

2021-10-08

Backup calendars

2021-10-10

Backup contacts

2021-10-09

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

2021-10-09

Backup contacts, SMS, and more

2021-10-09

Full Backups

Full Backups (root required)

2021-10-09

Full Backups without root

2021-10-09

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

2021-10-09

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

2021-10-09

Backup contacts into the Cloud

2021-10-09

Backup SMS, MMS, and more into the Cloud

2021-10-09

Various Cloud Backups

2021-10-09

Other Backups

Backup WiFi APNs

2021-10-10

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

2021-10-15

Various Backups

2021-10-09

Further Readings:

2021-10-22