sync for reddit crashed every time I opened it if play services are not installed (I am using an aosp android phone, grapheneos and lineages on a tablet) so it is kinda important that sync works without play services installed there is a better method for device attestation https://grapheneos.org/articles/attestation-compatibility-guide
Sync for Reddit has always worked without Play Services if you patched out the ads with Revanced Manager ;) Why the developer included a crash instead of an error message is still a mystery to me. We can’t be the first to point it out, can we? Let’s hope there will be a Revanced Patch for Sync for Lemmy.