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VOLTCRAFT DSO-1084E (Hantek DSO4084B) stuck at boot screen

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KlausF:
Is it possible to successfully update a Voltcraft scope with a Hantek firmware?
I mean, it is the same hardware, just a different label.

tkoop:
This should be possible. At least it worked on my DSO

Pluscrafter:
Did anyone know which Hantek Model the Voltcraft DSO-1104E is and if the DSO-1084E or DSO-1104E is hackable ?

Microcheap:

--- Quote from: Pluscrafter on April 22, 2019, 07:32:15 pm ---Did anyone know which Hantek Model the Voltcraft DSO-1104E is and if the DSO-1084E or DSO-1104E is hackable ?

--- End quote ---
Apparently these Voltcraft are manufactured by Hantek with the name DSO4004C series (http://www.hantek.com/en/ProductDetail_3_12167.html) and yes they are hackable: https://www.eevblog.com/forum/testgear/upgrading-the-hantek-dso4072c-osciloscope-bandwidth-from-70mhz-to-200mhz/msg2095372/#msg2095372

@tinhead
I am curious, how do you get the passphrase from the .upk files? I've been looking at it during the weekend with no success until I found, by chance, that you had already posted it here. I wanted to create an update file to easily re-config the BW of these scopes without the need to open the case.

tinhead:

--- Quote from: Microcheap on April 22, 2019, 09:55:44 pm ---@tinhead
I am curious, how do you get the passphrase from the .upk files? I've been looking at it during the weekend with no success until I found, by chance, that you had already posted it here. I wanted to create an update file to easily re-config the BW of these scopes without the need to open the case.

--- End quote ---

the first time (~10yrs ago) was hard, as i had to buy first proper tools to dump the NAND and read content (that was the famous 0571tekway password), later it was easier as i had lot of Tekway/Hantek gears on my desk. So generally i was always doing dumps, and guessing pwd as well - once they started to use model name as password (0571tekway, 111111, 949307, dso5000p, dso5000c, mso5074fg, dso1000e, dso4000bc, ...)

The rest of update file is easy step, just remember to tar/gzip under Linux (to get +x rights), or add it into "update" script.

Btw, not sure if this is still working with these models, did you checked it? -> https://www.eevblog.com/forum/testgear/hantek-tekway-dso-hack-get-200mhz-bw-for-free/msg467313/#msg467313

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