Big Font - Change Font Size v3.0.83
APK · 11.6 MB · version code 383 · Android 7.0+ · uploaded Feb 4, 2026
The source store flagged this file with a security warning (Warning). We recommend not installing it. See other versions.
Quick check before downloading
Answer this to unlock the download. It keeps automated downloaders away.
Compared with the latest version
The latest version is v1.1.4, uploaded Jan 30, 2018.
- Size: this file is 11.6 MB; the latest is 4.4 MB (7.2 MB smaller).
- Android: this version needs Android 7.0+; the latest needs Android 4.0.3+.
- The latest version asks for 1 more permission: Run at startup.
- The latest version no longer asks for: Access adservices ad id, Access adservices attribution, Access adservices topics, Run foreground services, Show notifications, Control vibration, Prevent the device from sleeping, In-app purchases (Google Play Billing)….
File information
- Version
- v3.0.83 (383)
- Uploaded
- Feb 4, 2026
- Size
- 11.6 MB
- Requires
- Android 7.0+ (API 24)
- CPU support
- Any (no native code)
- Screen
- Small screens and larger
- MD5
- 2734b81eee7e075d24479cc3367d28b4
- Signing certificate (SHA-1)
- 99:74:B5:20:18:60:AC:AC:8A:14:F3:15:47:CF:D3:1A:13:27:D5:B0
- Signed by
- CN=TRUMods
- File name
- com-eco-bigfont-383-73431825-2734b81eee7e075d24479cc3367d28b4.apk
- Package
- com.eco.bigfont
- Downloads (all versions)
- 1M+
- Age rating
- PEGI 3 · Everyone
Permissions (15)
This version requests 15 permissions, 1 of them sensitive.
- Write settings Sensitive android.permission.WRITE_SETTINGS
- Access adservices ad id android.permission.ACCESS_ADSERVICES_AD_ID
- Access adservices attribution android.permission.ACCESS_ADSERVICES_ATTRIBUTION
- Access adservices topics android.permission.ACCESS_ADSERVICES_TOPICS
- Advertising ID com.google.android.gms.permission.AD_ID
- Control vibration android.permission.VIBRATE
- Full network access android.permission.INTERNET
- Google Play install referrer com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE
- In-app purchases (Google Play Billing) com.android.vending.BILLING
- Internal broadcast protection (app-defined) com.eco.bigfont.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
- Prevent the device from sleeping android.permission.WAKE_LOCK
- Receive push notifications com.google.android.c2dm.permission.RECEIVE
- Run foreground services android.permission.FOREGROUND_SERVICE
- Show notifications android.permission.POST_NOTIFICATIONS
- View network connections android.permission.ACCESS_NETWORK_STATE
Security & authenticity
Security rating: Warning
Signing certificate
- Certificate issued to “TRUMods” Not the developer's name (“ECO STUDIO”). Names in certificates can't be verified, so this alone proves nothing.
- The same certificate signs apps from 22 different developers Developers sign only their own apps, so this almost always means the files were re-signed by someone else — often after being modified.
- Other versions use a different certificate v1.1.4. Android normally won't update an installed app with a file signed by another certificate, and a new certificate can mean a different publisher. v1.1.4
Store checks
- Developer signature check failed Feb 4, 2026
- Uploaded by “aplicationpaidprofree” Bronze tier · 1,631 followers · uploading since 2018
Scans come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (1 other version compared). AAPKs doesn't scan files itself.
How to install Big Font - Change Font Size on Android 7.0+
You'll need about 23.3 MB of free space.
- Download the APK — tap Download APK above (11.6 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-eco-bigfont-383-73431825-2734b81eee7e075d24479cc3367d28b4.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 2734b81eee7e075d24479cc3367d28b4. 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?”. The source store flagged this file with a security warning; we recommend not installing it. If Play Protect blocks it, tap Cancel. 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 Big Font - Change Font Size — 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 7.0+). Download it again, or pick an older version.
- Blocked by Play Protect — Play Protect checks apps from outside the Play Store. Only continue if you trust the source; for this file we recommend not to.