You cannot use standard online updates once you've switched to a modified version; you must wait for a modified update file from the developer. Data Wipe:
Most builds of Gordgelin firmware come pre-rooted with Magisk or SuperSU. This means you immediately have administrative control. You can install ad-blockers (AdAway), backup all app data (Titanium Backup), and modify system files that standard users cannot touch. gordgelin firmware