Originally Posted by pl4t!n
Hello my device is sm-t210 and I am with rockettab 2.1 and until now everything works lovely but I have a question, it's necessary good a IMSI backup for futures problems with firmwares updates?
If yes how to do that?
Using Tapatalk 2
You have got a wifi Tab,for a 3g is that more important.
You can make a image with online nandroid backup from play store.
The other way to use the terminal
busybox tar zcvf /storage/extSdCard/efs-backup.tar.gz /efs
that will save the image on your extSdCard
Hit " Thanks " it was helpful