Backdrop Daydream v2.1.1
APK · 19.6 MB · version code 2100002 · Android 7.1+ · uploaded Sep 30, 2026
- Signature matches the Google Play version Details
Quick check before downloading
Answer this to unlock the download. It keeps automated downloaders away.
Compared with the latest version
The latest version is v94569.99990.300.1599.11015, uploaded Mar 22, 2024.
- Size: this file is 19.6 MB; the latest is 10.6 MB (9 MB smaller).
- Android: this version needs Android 7.1+; the latest needs Android 4.1+.
- The latest version asks for 27 more permissions: View Wi-Fi connections, Run foreground services, Show notifications, Read app badge, Run at startup, Control vibration, Prevent the device from sleeping, Launcher update count (custom)….
- The latest version no longer asks for: Mediashell cast auth (custom), Read Google service settings.
File information
- Version
- v2.1.1 (2100002)
- Uploaded
- Sep 30, 2026
- Size
- 19.6 MB
- Requires
- Android 7.1+ (API 25)
- CPU support
- ARM 32-bit
- Screen
- Small screens and larger
- MD5
- 8ed63a6c4cc1606d2f9c87192376fab2
- Signing certificate (SHA-1)
- 9C:F5:AE:50:44:09:31:DF:69:98:93:12:B6:B7:AB:15:61:6F:82:78
- Signed by
- CN=backdrop, OU=Android, O=Google Inc., L=Mountain View, ST=California, C=US
- File name
- com-google-android-backdrop-2100002-76873075-8ed63a6c4cc1606d2f9c87192376fab2.apk
- Package
- com.google.android.backdrop
- Downloads (all versions)
- 100M+
- Age rating
- PEGI 3 · Everyone
What's new in v2.1.1
Bug fixes.
Permissions (4)
This version requests 4 permissions, none of them sensitive.
- Full network access android.permission.INTERNET
- Mediashell cast auth (custom) com.google.android.apps.mediashell.permission.CAST_AUTH
- Read Google service settings com.google.android.providers.gsf.permission.READ_GSERVICES
- View network connections android.permission.ACCESS_NETWORK_STATE
Security & authenticity
Security rating: Trusted
Signing certificate
- Signature matches the Google Play version Checked by the source store on Sep 30, 2026.
- Certificate issued to “Google Inc.” This is the certificate of the Google Play version.
- v94569.99990.300.1599.11015 and v899.9999.9999 use a different certificate v2.0.4, v1.8.1 and v1.7.0 use the same one as this file. Android normally won't update one with the other. v94569.99990.300.1599.11015 · v899.9999.9999
Store checks
- Developer signature under review Sep 30, 2026
- Validated against Google Play Sep 30, 2026
- Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020
Scans come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (5 other versions compared). AAPKs doesn't scan files itself.
How to install Backdrop Daydream on Android 7.1+
You'll need about 39.3 MB of free space.
- Download the APK — tap Download APK above (19.6 MB). Chrome shows “File might be harmful” for every APK file; choose Download anyway only if you trust this file.
- Open the file — tap the download notification, or open Files › Downloads and tap com-google-android-backdrop-2100002-76873075-8ed63a6c4cc1606d2f9c87192376fab2.apk.
- Allow the install (first time only) — Android 8 and later asks for permission the first time an app opens an APK: tap Settings in the prompt, turn on Allow from this source, then go back. Manual path: Settings › Apps › Special app access › Install unknown apps (on Samsung: Settings › Apps › ⋮ › Special access). On Android 7 and older: Settings › Security › Unknown sources.
- Check the file (optional) — the MD5 of the downloaded file should be 8ed63a6c4cc1606d2f9c87192376fab2. If it differs, the file is damaged or was changed: delete it and download again.
- Tap Install — Android asks “Do you want to install this app?”. If Google Play Protect shows a warning, read it before you continue: the source store rated this file Trusted, but only install apps from sources you trust. If an earlier version is installed, this one only installs as an update when it is signed with the same certificate (SHA-1 shown above).
- Open Backdrop Daydream — tap Open on the install screen, or find it in your app drawer.
Common install problems
- “App not installed” — a version signed with a different certificate, or a newer version, is already installed (Android doesn't allow downgrades). Uninstall it first; back up your data, because uninstalling deletes it.
- “There was a problem parsing the package” — the file is incomplete, or your Android is too old (this version needs Android 7.1+). Download it again, or pick an older version.
- “App not compatible with your device” — this build contains native code for ARM 32-bit only. Devices with other processors can't install it.
- Blocked by Play Protect — Play Protect checks apps from outside the Play Store. Only continue if you trust the source.