I installed TWRP 3.1.0-0 (unofficial, from here) on my Redmi 3S Prime and tried to make a Nandroid backup. I've never taken Nandroid backup before. I have a linux PC. On my PC, I installed adb and fastoot drivers and used took the backup by typing adb backup --twrp in the terminal. My phone showed that the backup size was 9757 MB but the backup.ab file created was only 2.1 GB. Where is the problem? Did I do anything wrong? By the way, I backed up the boot, system and data (excl. storage) partitions. Doing backups on internal storage works fine. So, what is happening?

1 Answer 1


Seems to be a bug. I tested it on my device multiple times: in GUI mode backup is created fine, whereas console command give this fake.

I already created the ticket on their Github, but they don't read it, as it seems.

  • So, what should I do you suggest? Apr 28, 2017 at 10:18
  • Nothing you can do here. Make backups via GUI until they fix the problem.
    – Suncatcher
    Apr 28, 2017 at 11:09

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