h1. BackupsResearch

{{>toc}}

h2. Doing the backup of partitions or other block devices

h3. adb shell cat pipe

"Old versions of the EFS backup instructions":https://redmine.replicant.us/projects/replicant/wiki/BackupTheEFS/17 used the following command:
<pre>
adb shell "cat /dev/block/platform/*/by-name/EFS > /EFS.img"
</pre>

At some point or under some condition, this stopped working and the backup were corrupted.