@zacardec the codename of your phone is Arale. Clicking that as a "label" in "issues" I've found this list of bugs https://github.com/ubports/ubuntu-touch/labels/device%3A arale It seems the bug you're suffering isn't there.
There's a French group in Telegram (https://t.me/UBports_French), maybe someone can help you there in your language.