Join or Sign In

Sign in to add and modify your software

Continue with email

By joining Download.com, you agree to our Terms of Use and acknowledge the data practices in our Privacy Policy.

Security: Block Tel URI for Android

Quick fix for the security thread of automatically calling the "tel" Uri with USSD codes from embedded iFrames within homepages. Using this vulnaribility an attacker might reset the phone, block the SIM card, ...

This app registers as handler for the "tel" Uri. When a webpage contains the malicious code, the app chooser will pop up and "Security: Block Tel URI" will be in the list. If you choose it, it will show you the Uri that was blocked.

Warning: The app chooser will only show up if you have not choosen a default dialer before! This needs to be reset for this security fix to work.

Please use a testing site to see whether the Security fix will show up, for example http://www.heise.de/security/dienste/USSD-Check-1717811.html

Full Specifications

What's new in version 1.0


Release January 1, 2020
Date Added January 1, 2020
Version 1.0

Operating Systems

Operating Systems Android
Additional Requirements Requires Android 1.6 and up


Total Downloads 0
Downloads Last Week 0
Report Software

Related Apps

Gboard - the Google Keyboard

Gboard - the Google Keyboard



VPN Free - Betternet Hotspot VPN & Private Browser

VPN Free - Betternet Hotspot VPN & Private Browser

VPN by Private Internet Access

VPN by Private Internet Access

Best VPN Services for 2021

Best for privacy

3 months free with 1-year plan

Best for customer support

$39.99 for the first 12 months

Best for zero logs

$4.87.99/months for a 1-year plan

Best money-back guarantee

$2.99/months for a 3-year plan