Firefox Beta
v31.0 · 28.7 MB · code 2014061016
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File information
UpdatedJun 13, 2014
PublishedJul 27, 2011
Packageorg.mozilla.firefox_beta
Versionv31.0 (2014061016)
Size28.7 MB
MD592387d203ac756ce22e72a554fa631bc
Min SDK8
ABIsarmeabi-v7a
Malware scanWARNING
Signature SHA192:0F:48:76:A6:A5:7B:4A:6A:2F:4C:CA:F6:5F:7D:29:CE:26:FF:2C
SignerCN=Release Engineering, OU=Release Engineering, O=Mozilla Corporation, L=Mountain View, ST=California, C=US
Total downloads10,000,000
This version10,000,000
DeveloperMozilla
Age ratingLow Maturity
What's new in v31.0
NEW
Pull-to-refresh on synced tabs page
Re-order existing panels in about:home
CHANGED
Firefox Hub APIs
Locales: Assamese [as], Bengali [bn-IN], Gujarati [gu-IN], Hindi [hi-IN], Kannada [kn], Maithili [mai], Malayalam [ml], Marathi [mr], Oriya [or], Panjabi [pa-IN], Tamil [ta], Telugu [te]
HTML5
WebVTT implemented and enabled
DEVELOPER
CSS3 variables implemented
New Array built-in: Array.prototype.fill()
CSP 1.1 nonce-source and hash-source by default
http://mozilla.org/mobile/beta/notes
Pull-to-refresh on synced tabs page
Re-order existing panels in about:home
CHANGED
Firefox Hub APIs
Locales: Assamese [as], Bengali [bn-IN], Gujarati [gu-IN], Hindi [hi-IN], Kannada [kn], Maithili [mai], Malayalam [ml], Marathi [mr], Oriya [or], Panjabi [pa-IN], Tamil [ta], Telugu [te]
HTML5
WebVTT implemented and enabled
DEVELOPER
CSS3 variables implemented
New Array built-in: Array.prototype.fill()
CSP 1.1 nonce-source and hash-source by default
http://mozilla.org/mobile/beta/notes
Security scan
WARNING
- Developer signature verified 2025-03-10
- Scanned for malware 2020-11-01 13:20:55
- Signature SHA1 92:0F:48:76:A6:A5:7B:4A:6A:2F:4C:CA:F6:5F:7D:29:CE:26:FF:2C
- File MD5 92387d203ac756ce22e72a554fa631bc
How to install Firefox Beta v31.0 on Android API 8+
Takes about 2 minutes. You'll need roughly 28.7 MB of free storage.
- Grab org.mozilla.firefox_beta_2014061016.apk — hit the Download button above (28.7 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 92387d203ac756ce…. Any difference means the file is corrupted or tampered — delete and re-download.
- Open the APK — tap the download notification, or find org.mozilla.firefox_beta_2014061016.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=Release Engineering, OU=Release Engineering, O=Mozilla Corporation, 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 WARNING).
- Done — open Firefox Beta — tap Open on the install screen, or find the Firefox Beta icon in your app drawer (this build targets armeabi-v7a devices).
Common install errors for Firefox Beta
- "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 8 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.
- Works on one phone but not another — this build ships armeabi-v7a native code. Devices with a different CPU will reject it.