11-24-2018, 08:52 PM | #31 |
Junior Member
Posts: 8
Karma: 10
Join Date: Oct 2018
Device: Kindle PW3
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Hello again.
Recently followed this instruction, trying to downgrade my PW3 with 5.9.7. Downgrade failed with Error 15. First after creating a file PRE_GM_DEBUGGING_FEATURES_ENABLED__REMOVE_AT_GMC in root, I copied factory_initial.bin to storage, ejected the reader, but file was deleted by system. Next what I tried, was a reboot with a cable connected to PC and I had a diagnostic menu at start up (Muscat_WFO System Diags v1.1.23.266370, which i had installed before. It is normal to have it if USB cable connected to PC). I used a menu and turned on a usb file transfer mode (sorry don't remember what was the title for it). Copied factory_initial to storage again. Renamed file to update.bin. Rebooted. Update started, but then Error 15 occurred. Luckily after a reboot, Kindle loaded without any problems. All data, apps, books still there. Kual still runs too. I had a "feedback book" on a shelf, so had to run usbnet, entered terminal, mounted rw, cd to root, rm PRE_GM_DEBUGGING_FEATURES_ENABLED__REMOVE_AT_GMC. After reboot a "feedback" is gone now. Never again ) Last edited by rnb86; 11-24-2018 at 09:16 PM. |
10-24-2019, 02:07 PM | #32 |
Wizard
Posts: 1,058
Karma: 3581267
Join Date: Sep 2014
Location: Ukraine
Device: Kindle PW2, PW3, PW4, Voyage
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Just to summarize:
This feature has gone away from 5.9.2 and until 5.12.1 inclusive. It is restored in 5.12.2. |
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05-12-2020, 12:55 PM | #33 |
Wizard
Posts: 1,058
Karma: 3581267
Join Date: Sep 2014
Location: Ukraine
Device: Kindle PW2, PW3, PW4, Voyage
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And gone away on 5.12.5.
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Tags |
downgrade firmware, firmware downgrade |
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