#calculator blocked on rescue screen

1 messages · Page 1 of 1 (latest)

rose sage
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I just flashed external and after pressing the reset button it still shows the rescue screen.

cobalt pond
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Hello.
What firmware do you have, and what firmware do you tried to flash ?

rose sage
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I was on 19.5.0 and wanted to flash 18.2.0

cobalt pond
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You extracted external from 18-2-0.dfu and flashed external with webdfu website ?

rose sage
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Yup

solid prism
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It's locked

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You can't downgrade

rose sage
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Ow

cobalt pond
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But you can unlock with Rapid's method.
He is too modest to say he set it up

rose sage
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Oh really !

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W-what is rapid's method

cobalt pond
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You read french ?

rose sage
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Bien sûr x)

cobalt pond
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ALors c bon 🙂

rose sage
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Okay now this is really weird

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I just tried to install the firmware from omega

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But as soon as I go on the site the numworks calculator starts looking like this

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Like it's simulating an error

cobalt pond
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E19.5 prevents you from installing a Custom firmware (Upsilon, Omega) : Numworks locked all calcos with Epsilon, from revisions >= 16.4.3

rose sage
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Right

rose sage
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Should I get the recovery from the official site ?

cobalt pond
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First you have to unlock with a Raspberry pico, or pi if you want to install Omega or Upsilon.
If you don't have right now, yes : RECOVERY your calco from NW website.
You will have E20.4.3

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Then look for a friend with a rasp pico or pi

rose sage
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Will a raspberry pi 3 work ?

cobalt pond
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Yes (§2bis on RapidZapper post)

rose sage
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Okay !