GS290 Update 0.17>0.19 failed(?): Display black and not responding

try to recover using your actual recovery mode (TWRP) (first try without wiping or formating /data → don’t do factory-reset)

  • you can install e-2.3-s
  • or you can install recovery-e-2.1-s then e-2.3-s

start at step (8) or (9)

.
if not working from recovery mode, try using fastboot mode (first try without wiping /data → don’t do fastboot -w)

  • you can install the content of IMG-e-2.3-s

Install /e/OS on a Gigaset GS290 - “GS290”