The is not a permanent solution, but it is the last lifeline for vintage Android hardware. By manually installing version 21.33.56, you can restore basic functionality: the Play Store will download apps, Google Maps will navigate, and YouTube will play videos (in low resolution).
If you want these adapted for a specific platform (blog post, product page, app forum) or need full release notes and checksum placeholders filled in, tell me which format and I’ll expand. google play services update apk for android 44 2 hot