Many independent developers host their latest builds in dedicated Telegram channels for the Oppo A11k.
: Since the A11k launched with Android 9/10, it supports Project Treble. If you cannot find a dedicated custom ROM, you can often flash a GSI (like LineageOS or Pixel Experience) using a compatible custom recovery. Debloated Stock ROMs oppo a11k custom rom link
If you want Android 11’s features (chat bubbles, one-time permissions, improved notification history) on your Oppo A11K, Evolution X is a great choice. Many independent developers host their latest builds in