Due to the fact that it is part of Google’s Pixel smartphones, the Pixel XL was one of the first few Android smartphones to receive the Android 9.0 Pie update. Unfortunately it seems that the update came with some problems because according to the Google Issue Tracker (via PhoneArena) website, it seems that some Pixel XL owners have run into quick charger issues following the update.
Pixel XL users experiencing issues with quick chargers following Android 9.0 update
Owners of the Google Pixel XL are saying that their phones have been having issues with quick chargers ever since the update to Android 9.0 Pie was disseminated. Actually, some units were having problems after the beta versions of Android 9.0 Pie were installed, and continue to have problems even running the final version of the latest Android build.