1. ftgg99's Avatar
    RCB 2 is a powerful call, SMS and MMS blocker for root users.

    Here you can get help from us directly and discuss the app and root daemon in general.

    Supported languages: English, Español, Português, Français, Italiano, Català, Deutsch, Suomi, Nederlands, Čeština, Svenska, Magyar, Polski, Român, Русский, Türkçe, 简体中文, 繁體字.

    Were looking for translations! You can find the project here: https://crowdin.com/project/root-call-blocker-pro
    Unique features:

    • Your phone never rings and the screen never turns on
    • In call widgets allow you to ignore/block calls on the fly
    • Customize notifications with vibration, ringtone and LED colors


    • Completely ignore spam calls and messages
    • Import large lists of numbers from files, including CSV
    • Block MMS and numbers containing letters
    • Reject unknown, withheld, private and restricted numbers
    • Keep blocked calls and messages hidden with password, dialer and pattern lock
    • Block area codes or countries


    • Native Tasker plugin
    • Silent/hidden operating mode
    • Cloud backup to Google Drive and Dropbox
    • Google Groups integration
    • SMS auto-replies
    • Encrypted backups

    Trial restrictions:

    • Use of Exceptions is locked
    • No more than 5 items per list (but you can still use variables to great effect for free)

    Of course the app needs root access. And wont work on every phone even with root. Check below for important info.

    Market links:


    Join the Beta community to get access to the latest builds directly from Play. To register to recieve the updates, join the community here and follow the instructions: https://plus.google.com/communities/...50758462769072
    99% of "it stopped working" errors are caused by timed out root requests after auto-updates, to use this app together with auto-update in Play, you MUST disable re-authentication in your superuser app.
    We can only attempt to support devices commonly available in the West. This doesnt include Chinese knock offs or similar no-name provider phones.
    Multi-sim devices are only partially supported. This means it MAY work on your phone. As a general rule more expensive will be more compatible. Stay away from Chinese devices, especially OEMs, they are likely to have custom RILs that we can never support. If you need this app and dual sim, contact us before you buy your next phone.
    This app does not control your voicemail service. If your blocked calls are being sent to voice mail, try another blocking method. You can simulate a disconnected message by forwarding busy calls to a number that doesn't exist. More on that in Advanced Blocking of the Help.

    OUTGOING CALL permissions are needed for hidden mode, using the dialer to enter a password.
    ACCOUNTS are needed for Google Contact Groups.
    SEND SMS needed for auto replies and SMS routing.
    INTERNET ACCESS is for licensing and the "Write to us" feedback tool.


    If you need help, use "Write to us" in the app's settings or write to support@fahrbot.co.uk

    Before you post logcats or dump files or contact us, please make sure you have enabled debugging in the apps settings.
    Log data is only sent with your permission via the "Write to us" menu item in Settings.


    ...[APP] Root Call Blocker BETA MULTI-SIM SUPPORT-screenshot_2014-10-20-14-38-01.jpg[APP] Root Call Blocker BETA MULTI-SIM SUPPORT-screenshot_2014-10-20-14-22-26.jpg[APP] Root Call Blocker BETA MULTI-SIM SUPPORT-screenshot_2014-10-20-14-18-05.jpg[APP] Root Call Blocker BETA MULTI-SIM SUPPORT-screenshot_2014-10-20-15-04-00.jpg[APP] Root Call Blocker BETA MULTI-SIM SUPPORT-screenshot_2014-10-20-14-31-27.jpg[APP] Root Call Blocker BETA MULTI-SIM SUPPORT-screenshot_2014-10-20-14-17-00.jpg[APP] Root Call Blocker BETA MULTI-SIM SUPPORT-screenshot_2014-10-20-14-34-17.jpg[APP] Root Call Blocker BETA MULTI-SIM SUPPORT-screenshot_2014-10-20-14-23-07.jpg
    08-31-2013 08:13 AM
  2. ftgg99's Avatar
    Uploaded: 28/1/2015

    • 64 bit support
    • Added date/ascending to sort button
    • Fixes from user replies

    Remember to disable re-authentication in Superuser to avoid losing root after auto-updates!

    To do list:
    • Call Master's Gatekeeper somehow
    • You tell me...
    10-12-2013 03:57 AM
  3. ftgg99's Avatar
    Any comments guys? Forum seems a little dead nowadays!
    05-22-2014 12:32 AM
  4. ftgg99's Avatar
    Anything to report?
    06-07-2014 08:28 AM
  5. ftgg99's Avatar
    Hi, just a quick heads up that the current beta release of Root Call Blocker has been updated with multi-sim support.

    This is a significant milestone for us and our users, who have been requesting support for MTK and Qualcomm SoCs.

    Users can join the beta here: https://plus.google.com/communities/...50758462769072

    The app itself is here: https://play.google.com/store/apps/d...ker.beta&hl=en
    07-03-2014 10:25 AM
  6. ftgg99's Avatar
    Any issues?

    Sent from my LG-V500 using Tapatalk
    08-19-2014 08:20 AM
  7. ftgg99's Avatar
    RCB released with improved multi-SIM support and some new UI elements. Feedback welcome.


    • Better multi-SIM support (beta, more features to come)
    • Added SIM icons
    • Updated libraries
    • Updated translations
    • Fixed issues from user reports

    Please disable re-authentication in Superuser to avoid losing root after auto-updates!
    08-27-2014 02:27 PM
  8. ftgg99's Avatar
    RCB 2 Updated to Version:
    Uploaded: 28/1/2015

    • 64 bit support
    • Added date/ascending to sort button
    • Fixes from user replies
    01-31-2015 04:18 AM
  9. ftgg99's Avatar
    Root Call Blocker release

    • Added daemon status readouts
    • Added Service control options
    • Allowed 1 Exceptions entry in Trial
    • Added Everyone list
    • Added Everyone variable
    • Added telephony detection at first run wizard

    • Fixed obfuscation related issues
    • Fixed Xposed app_process
    • Fixed Samsung socket errors
    • Fixed incall widget behavior

    • Updated Dropbox SDK
    • Updated strings

    *Lite APK:*

    *Pro APK for license owners:*
    04-18-2015 06:01 AM

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