The login flow for Google accounts changed in 2015. Version 2.07.02 uses OAuth 1.0/2.0 hybrid that is no longer accepted. You will not be able to:

As of 2026, Google has officially ended support for Android 4.4 and below across all its core services. Even if you sideload , expect core functionality to degrade further. Video feeds may return empty JSON errors, and search might stop working entirely.

🚨 Due to changes in Google’s API and the sunsetting of Data API v2, this specific version may no longer connect to YouTube’s servers to stream live video. It is primarily sought after for archival purposes, UI study, or "time-capsule" device builds. The Appeal of Legacy APKs

For those unfamiliar, an APK (Android Package File) is a file format used to distribute and install applications on Android devices. YouTube 2.07.02 APK is a modified version of the official YouTube app, offering a range of additional features and tweaks not found in the standard app. This version is specifically designed for Android devices, providing users with a unique and enhanced YouTube experience.