Hello One
v2.0 · 5.8 MB · code 2
Verify you're human
Solve this to start the download.
File information
UpdatedSep 17, 2025
PublishedFeb 4, 2021
Packagecom.web2app.HelloOne
Versionv2.0 (2)
Size5.8 MB
MD5e120b0e719f65543982c469ce719ce9c
Min SDK19
Malware scanUNKNOWN
Signature SHA1BA:F5:59:8A:9E:04:D6:3D:0A:28:D9:F7:3C:E2:02:8B:F9:6F:FE:9D
SignerCN=Android, OU=Android, O=Google Inc., L=Mountain View, ST=California, C=US
Total downloads76
This version76
DeveloperOur android app
Age ratingEveryone
Security scan
UNKNOWN
- Developer signature verified 2021-11-08
- Scanned for malware 2021-11-08 20:44:04
- Signature SHA1 BA:F5:59:8A:9E:04:D6:3D:0A:28:D9:F7:3C:E2:02:8B:F9:6F:FE:9D
- File MD5 e120b0e719f65543982c469ce719ce9c
How to install Hello One v2.0 on Android 4.4 KitKat+
Takes about 2 minutes. You'll need roughly 5.8 MB of free storage.
- Grab com.web2app.HelloOne_2.apk — hit the Download button above (5.8 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 e120b0e719f65543…. Any difference means the file is corrupted or tampered — delete and re-download.
- Open the APK — tap the download notification, or find com.web2app.HelloOne_2.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=Android, OU=Android, O=Google Inc., L=Mountain View, ST=California, 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 UNKNOWN).
- Done — open Hello One — tap Open on the install screen, or find the Hello One icon in your app drawer.
Common install errors for Hello One
- "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 4.4 KitKat 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.