: The last official stable version compatible with Android 5.0+ was approximately v16.40.36 , released in late 2021. However, many users report a "Switch to YouTube.com" or "Problem with server 400" error when using these older apps because the API versions they rely on have been retired.
Even after a successful install, you might encounter problems. Here are the most common ones:
The official YouTube app for is largely a part of history as of 2026. While the OS was once a powerhouse, modern shifts in Google Play Services and API requirements have effectively retired the official app for this version. The Current Status
Do not download APK files from unverified blogs or forums, as they may contain malware. Use reputable, archived repositories:
There is a community project that patches the last working APK to remove ads and fix server errors. Search for "ReVanced Extended" for older Android versions. youtube apk android 511
I can provide step-by-step instructions tailored to your specific hardware. Share public link
Allows you to continue watching YouTube on older hardware.
Even if you successfully install version 16.40.36, server-side changes by Google may still block video playback or account login. If the official legacy app fails, these lightweight alternatives work on Android 5.1.1. 1. NewPipe (Legacy Extended Build)
: Highly trusted, signs files with original developer cryptographic certificates. APKPure : Provides clean, unmodified historical APK files. : The last official stable version compatible with Android 5
On your Android 5.1.1 device:
Installing this legacy version is a trade-off. You gain the ability to watch videos, but you will have to live with significant limitations.
Any way for Reddit and Youtube to work on Android 5.1.1 (Lollipop)?
This presents a problem for the official YouTube app. The current version of YouTube from the Google Play Store requires . If you try to install the latest YouTube on a Lollipop device, you will see an error: "Your device isn't compatible with this version." Here are the most common ones: The official
Click your profile icon on the mobile site and select Send feedback .
Another reputable repository for older app versions. Recommended Versions for Android 5.1.1
: Primarily for Android TV but has versions supporting down to Android 4.4, making it a great choice if you're repurposing your old device as a media center. 3. The Browser Workaround (No APK Needed)