These requests aren't being made by the firmware, it's done at the OS level: https://android.googlesource.com/platform/frameworks/base/+/master/services/core/j

These requests aren't being made by the firmware, it's done at the OS level: https://android.googlesource.com/platform/frameworks/base/+/master/services/core/java/com/android/server/location/gnss/GnssPsdsDownloader.java https://android.googlesource.com/platform/frameworks/base/+/... The file even used to specifically refer to the XTRA service, but was updated to be vendor agnostic. GrapheneOS also calls out these requests: > HTTPS connections are made to fetch PSDS information to assist with satellite based location. https://grapheneos.org/faq#default-connections https://grapheneos.org/faq#default-connections