@PatMcGowan Thanks a lot for the answer and solution, it worked perfectly, I was just able to reinstall Ubuntu on the E4.5, then restart, restore contacts + messages, all seems to work.
Now, no more exotic manipulation with non-native programs ! -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1569718 Title: Ubuntu Touch (BQ Aquaris 4.5) - Does not boot after "[Volume Up] + [Power]" factory reset To manage notifications about this bug go to: https://bugs.launchpad.net/canonical-devices-system-image/+bug/1569718/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs