Thank you for your helping, this is the second time that you help me 
[HOW-TO] Flash /e/-OS on Fairphone 3 using Debian based GNU/Linux - #21 by DrG0nz0
I try to reinstall e/OS/ again, because I wouldn’t use google android again (I leave the google last year, I changed google email to protonmail, and the google android to e/OS/).
After I reinstall the e/OS/ I sign again. But I’m afraid, i haven’t got routine this OS reinstall…