[Q] Blocking future updates from B&N?

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Hi!

I have succesfully rooted my Nook Touch (firmware version 1.0.1) using TouchNooter and installed several applications that I need, following the instructions I found here. I'm very happy with the device the way it is at the moment and I would like to keep it that way. I read that root was lost when devices were upgraded from 1.0.0 to 1.0.1, so I'm afraid the same would happen in the future and I'd have to go through the whole procedure again.

I searched the forums but I could not find the answer: does rooting using TouchNooter also block possible future updates from B&N? If not, is there a way I could simply block them now?

Thanks!

If you have sqlite3 client on you PC you can try this approach from NC:

[root@dhcp-30-102 ~]# adb pull /data/data/com.bn.devicemanager/databases/devicemanager.db devicemanager.db
139 KB/s (12288 bytes in 0.085s)
[root@dhcp-30-102 ~]# sqlite3 devicemanager.db
SQLite version 3.6.20
Enter ".help" for instructions
Enter SQL statements terminated with a ";"
sqlite> select value from registry where name='com.bn.device.fota.mode';
auto
sqlite> update registry set value='manual' where name='com.bn.device.fota.mode';
sqlite> select value from registry where name='com.bn.device.fota.mode';
manual
sqlite> .q
[root@dhcp-30-102 ~]# adb push devicemanager.db /data/data/com.bn.devicemanager/databases/devicemanager.db
248 KB/s (12288 bytes in 0.048s)
[root@dhcp-30-102 ~]# adb reboot

Thanks a lot for the answer!
No, I don't have that on my PC nor am I able to use it. But I might try to learn how to do it.
Thanks again.