SG7 stuck on reboot

[piero]

as usual

[HOWTO] an Unified Install Guide Project for /e/

7) Flash the custom recovery manager, TWRP or recovery-e

→ see Brands exceptions steps

→ Brand exeption steps, Samsung :

→ see Samsung Linux steps

→ using Heimdall

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@piero

boot the device in Download mode

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On the PC
open a terminal from the folder where the file to flash is, so it will simplify the command as you won’t need to precise the path to the file to flash in the command…

sudo heimdall flash --RECOVERY twrp-3.3.1-0-herolte.img --no-reboot

when done,

…NOW COMES THE CRUTIAL STEP !..

• To get out of the Download mode you must Force Power Off your Samsung device,
  (on some old devices, unplug the device,)
  hold Volume Down + Power.
  release when you see the screen turn off..

…IT IS THE CRUTIAL STEP !..

• immediately Boot to Recovery before any other boot mode attempt,
  hold Volume up + Home + Power
  release Power when you see the very little blue line in the top of the screen…

…IT WAS THE CRUTIAL STEP !..

You must successfully end with :

the TWRP splash logo ! And the welcome screen

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you can tick
and just swipe