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Old 09-14-2014, 02:54 PM   #6
pe1dnn
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Posts: 31
Karma: 1315217
Join Date: Oct 2011
Device: PRS-T1
Quote:
Originally Posted by Exentio View Post
Bump!
You can bumb all you want, but downgrade was never supported. But 1.0.06 should be okay too.

Maybe something got messed up, you write you cannot remember if it was rooted or not which means you did not make sure it was in a clean state when you upgraded. So the results are unpredictable and nobody can help you because nobody has exactly the same configuration.

There is also 1.0.07 now. Here is what you could try.

1) Using rupor recover make an image of you current storage with RoadKill. This more or less ensures you can go back to the current state without making it worse.

2) Using again the rupor recover connect your reader to a linux system. It will mount all partitions. Using command "mount" look what partitions there are and what device name and file system type they have.

3) Unmount the partitions and check the file system structures one by one using fsck -t <fstype> /dev/<device name>

4) Now the file systems are okay, mount the Reader partition

5) Use the Linux Firmware upgrade method from Here: https://wiki.mobileread.com/wiki/PRST...ing_and_Tweaks
(You have to use that method since you cannot access the Reader partition in Windows with the normal software, so the Sony updater will not work)

6) Unmount the reader partition. Reset the device and take the SD card with rupor recover out.

7) Follow the instructions for the Linux backup method, this will hopefully installs the new firmware and fix whatever you messed up. Keep your fingers crossed.

If it doesn't work, play back the backup so your reader is in the same state as you started. You have to find another solution in that case.

For linux you can use an Ubuntu live CD. Sorry there is no automated way to do this.

Always backup before attempting dangerous things that may break the reader. In your case this advice is too late now so this his the best you can try without additional risk.
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