Lake Observer
v2.3.11 · 18.5 MB · code 20003011
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File information
UpdatedApr 10, 2025
PublishedMar 28, 2021
Packageorg.lakeobserver.observer.android
Versionv2.3.11 (20003011)
Size18.5 MB
MD52e82d816df6ec73459729156a71f4bdd
Min SDK16
Malware scanTRUSTED
Signature SHA1C4:AE:E4:D4:8D:CC:72:9E:93:DE:74:F7:D4:AE:06:54:10:52:17:F7
SignerCN=Benjamin Chrobot, O=Lake Observer, C=US
Total downloads500
This version500
DeveloperGlobal Lake Ecological Observatory Network
Age ratingEveryone
What's new in v2.3.11
Bug fixes
Security scan
TRUSTED
- Developer signature verified 2025-04-10
- Signature SHA1 C4:AE:E4:D4:8D:CC:72:9E:93:DE:74:F7:D4:AE:06:54:10:52:17:F7
- File MD5 2e82d816df6ec73459729156a71f4bdd
How to install Lake Observer v2.3.11 on Android API 16+
Takes about 2 minutes. You'll need roughly 18.5 MB of free storage.
- Grab org.lakeobserver.observer.android_20003011.apk — hit the Download button above (18.5 MB). If your browser warns about APK files, choose Keep or Download anyway — that warning fires on every APK, not just this one.
- Trust your browser to install — on Android 8+ go to Settings → Apps → Special access → Install unknown apps, pick the app you downloaded with (Chrome, Firefox, Files, etc.), and flip Allow from this source. On older Android, toggle Unknown sources under Security.
- (Optional) Verify the file — compute the MD5 of the downloaded APK and make sure it matches 2e82d816df6ec734…. Any difference means the file is corrupted or tampered — delete and re-download.
- Open the APK — tap the download notification, or find org.lakeobserver.observer.android_20003011.apk in your Files app under Downloads, then tap it. Android's package installer will appear.
- Check the signer — the install screen will name the publisher. For this build it should read CN=Benjamin Chrobot, O=Lake Observer, C=US. If it doesn't match, cancel — you have the wrong file.
- Review permissions & tap Install — scroll the permission list, then confirm. If Play Protect flags it, tap Install anyway (this APK was scanned as TRUSTED).
- Done — open Lake Observer — tap Open on the install screen, or find the Lake Observer icon in your app drawer.
Common install errors for Lake Observer
- "App not installed" — usually means an older or differently-signed version is already on your device. Uninstall it first, then retry. Your data may be lost unless you back it up.
- "Parse error" — the APK is for a newer Android than yours. This version needs Android API 16 or later. Pick an older build from the versions list below.
- "There was a problem parsing the package" — the download was interrupted. Delete the file and re-download over Wi-Fi.