Factory reset slot A
Then booting, device works ok, version E3.2 - A14
Now trying manual update with recovery E3.4 - A14 (slot A), then sideload E3.4 - A14
After new booting I have the known failure:
slot B frozen display
slot A crash
So it seems that E3.4 - A14 is not useful for Edge 30 !!!
What can I do now? Factory Reset, so back to E3.2 - A14, and then avoid any update… (?)