Andorid backup software?

[Will McElderry]

Hi All,


I need to backup an Android device quickly.  I do not want to use
Google, or any cloud servers if possible - just my own computer (crazy
idea!).  I'm happy using ADB for pictures and apps, but contacts and
messages would be nice!

Can anyone recommend any software or approaches?


Thanks,


Will.

[Alistair MacDonald]

I have backed up my Nexus 7 before an upgrade. It was a while ago, but here is the rough procedure...

Unlock the bootloader.

Enable ADB

Start ADB shell on a connected computer

Use the dd command to copy a file system to a file (eg... dd if=/dev/block/mmcblk0p2 of=/sdcard/modemst1.img)

Use the pull command to download the image (eg... adb pull /sdcard/modemst1.img)

On the Nexus 7 there was enough space on the internal storage to copy the partitions that had data in them. I suspect this will work fine with external storage and that can be mounted from a custom ADB interface. No idea if it will work on a stock device default. Also you need an SD card slot.

I hope that gives a few hints. Obviously it is just an image of a filesystem, but it can be used to return your device to a point in history. Looking at the Lineage OS install instructions when the device needs repartitioning is a good thing as this is the recommended backup process.

All the best,

  Alistair

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