This issue is still present in OTA-13...
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bq Aquaris E5 HD Ubuntu Edition:
* OS build number: OTA-13
* Ubuntu Image part: 20160913
* Ubuntu build description: Ubuntu 15.04 - armhf (20160913-023544)
* Device Image part: 20160606-540a47f
* Device build description: VEGETA01A-S23A_BQ_L100EN_2015_1
** Changed in: ubuntu-system-settings (Ubuntu)
Importance: Undecided => Wishlist
** Changed in: ubuntu-system-settings (Ubuntu)
Status: New => Confirmed
** Also affects: canonical-devices-system-image
Importance: Undecided
Status: New
** Changed in: canonical-devices-system-i