When freezing apps using Titanium Backup Pro, do I have to reboot for the freeze to take effect? (e.g. not be started anymore, even if applicaple Intent is fired off?)

Does it depend on whether the app is a system one or not?

If it matters, environment is Droid X (Stock 2.2 Froyo, rooted), latest Market version of TBPro.

I tried checking on TB Wiki and found zero reference to rebooting or not as far as freezing functionality.

Here's a specific example: consider the following sequence:

  1. "GPS location changed" intent fires off.

  2. A mapping application "MyGMaps" which is registered for this intent is started to handle it

  3. I kill that application's process(es) - all of them - via Advanced Task Killer

  4. I freeze "MyGMaps" via Titanium Backup Pro

  5. At this point, "MyGMaps" process is NOT running

  6. "GPS location changed" intent fires off again

  7. What happens here? Will "MyGMaps" be started again due to the intent in #6, despite the fact that it's "Frozen"?

My understanding is that, once I reboot the phone after freezing, the app will no longer start at all. But what happens in step #7, right after the freeze but without a reboot?

2 Answers 2


You shouldn't need to restart after freezing an app. Once you freeze the app, it should disappear from the apps drawer.

  • I'm less interested in whether it's in an apps drawer than whether it will be started (e.g. if the frozen app is registered for an intent that fires off when GPS location changes, will it STILL fire off on GPS location change until you reboot?
    – DVK
    Commented Feb 7, 2012 at 19:17
  • If the app you freeze is sending the intent, then no the intent will no longer happen. But if the app is receiving intents, then yes it should still receive them.
    – Chillie
    Commented Feb 7, 2012 at 19:27
  • @hillie - meaning it will launch and run?
    – DVK
    Commented Feb 7, 2012 at 19:30
  • meaning it will preform a task given to it by another app. that's it. It will not launch and run on its own.
    – Chillie
    Commented Feb 7, 2012 at 19:35
  • Please see specific example in the question
    – DVK
    Commented Feb 7, 2012 at 19:44

Freezing an app is similar to uninstalling it, in that it won't be able to run (whether by the user wanting to load it or via any intents). However, since it is frozen and not actually uninstalled, it does still take up space.

If you freeze a system app, you may have to reboot your phone. This usually isn't needed, but sometimes your home screen app may have a problem with a system app missing. Whether or not you reboot, though, the system app is frozen and will not be able to run.

A user app, however, can be frozen without needing a reboot.

  • 1
    If that were so, I wonder why some apps, while frozen, still show active processes -- even after a reboot. I guess the explanation is given by Chillie's comments on his answer, that a frozen app still is able to receive broadcasts.
    – Izzy
    Commented Mar 10, 2013 at 23:21

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