PHQ-9 Questionnaire
v4.0.2 · 3.7 MB · code 400002
Verify you're human
Solve this to start the download.
File information
UpdatedNov 3, 2023
PublishedMar 15, 2021
Packagecom.mobiletechnologylab.depression_questionnaire
Versionv4.0.2 (400002)
Size3.7 MB
MD5dabb53cd0ecda2e42625073dd3e07d6d
Min SDK19
Malware scanTRUSTED
Signature SHA1C6:48:67:83:A6:9E:DF:50:F4:77:A5:5F:B4:77:BE:76:96:64:92:2F
SignerCN=Daniel Chamberlain
Total downloads50
This version50
DeveloperMobile Technology Lab
Age ratingEveryone
What's new in v4.0.2
* Upgraded Measurement Dialog
* Patient ID required
* Patient ID required
Security scan
TRUSTED
- Developer signature verified 2023-11-03
- Scanned for malware 2024-04-27 08:59:27
- Signature SHA1 C6:48:67:83:A6:9E:DF:50:F4:77:A5:5F:B4:77:BE:76:96:64:92:2F
- File MD5 dabb53cd0ecda2e42625073dd3e07d6d
How to install PHQ-9 Questionnaire v4.0.2 on Android 4.4 KitKat+
Takes about 2 minutes. You'll need roughly 3.7 MB of free storage.
- Grab com.mobiletechnologylab.depression_questionnaire_400002.apk — hit the Download button above (3.7 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 dabb53cd0ecda2e4…. Any difference means the file is corrupted or tampered — delete and re-download.
- Open the APK — tap the download notification, or find com.mobiletechnologylab.depression_questionnaire_400002.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=Daniel Chamberlain. 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 PHQ-9 Questionnaire — tap Open on the install screen, or find the PHQ-9 Questionnaire icon in your app drawer.
Common install errors for PHQ-9 Questionnaire
- "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.