Well I followed the guide as well but I used KingoRoot (https://kingoapp.com) and it worked for me. Source: almost 3 years ago

I've used the Open GApps project to install Google Play Services on incompatible devices like Android Fire tablets in the past, though I think to install them I had to use a custom recovery like TWRP. Source: 7 months ago

Do you have any pc set up with adb and fastboot tools? If not, please do so. Otherwise go to xda-developers.com and pick any ROM you may find interesting or just go with this You'll probably also want to install gapps, so download the following from here ARM/11.0/pico. Source: 12 months ago

For older versions of Lineage, there was a download at https://opengapps.org/ to choose f.e the pico package. Also, the OpenGapp package for Lineage 18 did not contain many Google tools. The help pages of lineage/openGapps is pointing to https://wiki.lineageos.org/gapps where a download for any unknown version is available. Choosing this package for Lineage 19, I got the whole advertisement for Google back. :-(. Source: over 1 year ago

For GAPPS it did not work with the suggested GAPPS since I got an error, so I used OpenGAPPS based on this form, install GAPPS error. I downloaded and installed gapps from https://opengapps.org/ with the settings ARM64, 11.0, nano. Source: over 1 year ago

LOS 19.1 is based on Android 12 but there's only up to Android 11 on here https://opengapps.org/. So like do I just install the 11 one? Source: over 1 year ago