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#31 |
Wizard
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Karma: 12000011
Join Date: Feb 2012
Device: Nook NST, Glow2, 3, 4, '21, Kobo Aura2, Poke3, Poke5
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#32 |
Wizard
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Karma: 4236616
Join Date: Feb 2012
Location: Cape Canaveral
Device: Kindle Scribe
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edl is great for this task: you just enter this mode, then make backups or restore them by writing them onto NAND. works like a charm if you screw up
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#33 | |
Member
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Karma: 10
Join Date: Nov 2023
Device: TUCP
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Quote:
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#34 |
Wizard
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Karma: 12000011
Join Date: Feb 2012
Device: Nook NST, Glow2, 3, 4, '21, Kobo Aura2, Poke3, Poke5
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The simplest is to make a full, raw backup of your device.
This will take a bunch of space on your desktop, 128 GB for the TUC, I think. And because it's raw, you won't even be able to cherry pick a single user file off the encrypted user data partition when a truck runs over your device. But it will allow you to restore your device exactly as it was to a point in time. So, backup directly all useful files. Make a full, raw backup before upgrades that you might not wish or dangerous experiments. You're on Mac, so you're stuck with the Python EDL client. Hey! Did anyone post the /system/lib64/libota_jni.so (or figure out the update strings) for the TUC yet? Please do, so I can get the strings for the next update whenever it comes. Last edited by Renate; 11-11-2023 at 06:04 PM. |
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#35 | |
Member
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Karma: 10
Join Date: Nov 2023
Device: TUCP
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Quote:
rl # Read all partitions from flash to a directory rf # Read whole flash to file wl # Write all files from directory to flash wf # Write whole filename to flash |
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#36 | |
Wizard
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Karma: 12000011
Join Date: Feb 2012
Device: Nook NST, Glow2, 3, 4, '21, Kobo Aura2, Poke3, Poke5
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Quote:
rl will read individual partitions from device and write ~70 files to a directory For Windows fans using my EDL client: Code:
edl /lmyloader.bin edl /u /r bighonkingfile |
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#37 |
Member
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Karma: 10
Join Date: Nov 2023
Device: TUCP
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I used rf to make the backup, and it ended up giving me 6 backup files *.lunX (0 through 5). I was then able to use wf *.lunX --lun=X to restore successfully.
Code:
python3 edl --loader=Loaders/qualcomm/factory/sdm855/000a50e10029003c_ec70ff124179a138_fhprg.bin wf deviceBackup1.lun5 --lun=5 |
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#38 | |
Wizard
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Karma: 12000011
Join Date: Feb 2012
Device: Nook NST, Glow2, 3, 4, '21, Kobo Aura2, Poke3, Poke5
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Um, yeah, I spaced. eMMC gives you a single file, UFS is usually six separate "devices" and therefore six files.
Quote:
It just depends whether the xbl has the check inside the code. The best way to test is to power down your device fully without USB connected. Hold the button and plug in. Wait 2 seconds. The abl is where secret button presses do magic things. I don't have any with buttons, so I can't say. abl also will do magic things based upon characters coming in on the internal 1.8V debug UART. Just to show you how obscure this stuff is, if you hit Backspace over 100 times it will go to recovery, if you hit it only over 50 times it will go to EDL. There are also internal test points to force it to go to EDL. In the past they were very conspicuous, over time they have become inconspicuous. |
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#39 |
Member
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Karma: 10
Join Date: Nov 2023
Device: TUCP
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Holding volume up and down and then inserting usb-c cable already connected to the computer puts it into edl mode. EDL mode can be exited by removing the cable, and then holding the power and volume up until the screen flashes.
Holding down just volume up and then inserting usb-c cable already connected to the computer boots it into recovery. |
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#40 |
Wizard
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Karma: 3933245
Join Date: Sep 2012
Location: Salzburg AT
Device: Bigme 3/3, Boox 4/14, Like-/Meebook 2/8, Tolino 1/10, Ki/Ko 0/8
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#41 |
Junior Member
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Karma: 10
Join Date: Feb 2024
Device: Book Tab Ultra C
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hello and thanks for this guide
when I get to Retrieve a Boot Image with EDL and a Loader and type edl.exe /l662.elf I get edl.exe /l662.elf Found EDL 9008, handshaking... version 2.1 HWID: 0014d0e100000000, JTAG: 0014d0e1, OEM: 0000, Model: 0000 Hash: d40eee56f3194665-574109a39267724a-e7944134cd53cb76-7e293d3c40497955-bc8a4519ff992b03-1fadc6355015ac87 (x3) Could not open 662.elf how could I procede? |
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#42 |
Junior Member
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Karma: 10
Join Date: Feb 2024
Device: Book Tab Ultra C
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hello 1st of all thanks for this guide
when I get to edl.exe /l662.elf it says 'could not open 662.elf' I have eld and 662 files in userfolder as in the guide any idea on how to procede kindly? |
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#43 |
Wizard
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Karma: 12000011
Join Date: Feb 2012
Device: Nook NST, Glow2, 3, 4, '21, Kobo Aura2, Poke3, Poke5
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This sounds like a simple case of the file not being there.
Code:
dir 662.elf Edit: I even double-checked. I can load a loader while it's already open in another application. Last edited by Renate; 02-01-2024 at 07:15 PM. |
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#44 |
Junior Member
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Karma: 10
Join Date: Feb 2024
Device: Book Tab Ultra C
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When I get home I'll try to rename the file then because it's definitely there(when unzipped it's called Qualcomm...)
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#45 | |
Junior Member
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Karma: 10
Join Date: Feb 2024
Device: Book Tab Ultra C
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Quote:
dir 662.elf I get c:\>dir 662.elf Volume in drive C has no label. Volume Serial Number is FCF5-57E9 when I type c:\>edl.exe /l662.elf 'edl.exe' is not recognized as an internal or external command, operable program or batch file. but I do have eedl.exe and 662.eld files in my username folder (scratching my head) |
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