Solutions to "Applock not Working" on Android Devices

Last Updated: June 4, 2016

AppLock is just an App than can be used to lock SMS, Contacts, Gmail, Facebook, Gallery, Market, Settings, Calls and any app of your choice, with abundant options, allowing protection of your privacy. AppLock can also hide pictures and videos. AppLock empowers you to control photo and video access. Selected pictures vanish from your photo gallery and stay locked behind an easy-to-use PIN pad. With AppLock, only you can see your hidden pictures.

But Most Lollipop Users complain of Applock not working on their device after they upgrade to Lollipop and Marshmallow. Some also complain of the Applock not working on their new Android smartphones. I have also experience this problem when I upgraded my Infinix Hot Note Pro to Lollipop and I found a solution to it.
Though there are different problems that can cause non-working of the Applock on your smartphone but below steps mostly fix it;


What I simply do was to go to my device settings —> security —> Apps with usage access and enable AppLock.
Applock Problem Fixed

A friend also complains that Applock got disabled when he cleared recent Apps off. If you are also experiencing that you need to add Applock to forbidden list of Apps to be closed. You can do this with either battery doctor or Du battery Saver App. There are some phones that comes with System Manager App pre-installed, If you have it pre-installed then just open it and go to App settings to add Applock to forbidden list of Apps to be disabled.

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Are you still unable to find any solution to none functionality of Applock on your Android device? or You have any question to ask about applock or security of your android phone? You can simply drop a comment below and I would reply as soon as possible. Don't forget to share the post to your loved ones.

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Ogunrinola Adam Hiidee is an Enthusiast Tech. Blogger and a Civil Engineering student. I like surfing through the Internet and gains a lot from this by increasing my knowledge. You can connect with me and I would love to have you connected.


  1. App Lock is best app on Play store and used by everyone. i am also use this app from last 1 year many times app was not working these steps will be helpful for me thanks hadharm

  2. Bala

    For Micromax Q352 the same solution doesn't work. If runs on Marshmallow. Plz help. Is very urgent

    • Are you able to install the app??? If yes try opening it and letme know what error message you receives.

      • Bala

        Once I make it "hide from home screen" I'm unable to access the app with any shortcuts (via dialer/browser). I'm not getting any error when I access any locked app. It simply opens as if it's not locked. Randomly it works only for settings. I'm more interested in blocking the Explorer.

  3. I am using Marshmallow on my Android ans when I go to security and try to see Apps with usage access I cant see Applock there so I am not able to activate it, any solutions please

    • Hi Suraj, while on the app with usage access page look top right and tap on the three dots menu, then tap on show system. Now Applock should display and you can do what is expected.
      That should fix the problem.

  4. Angsumika

    Applock is not working my new micromax Q352 what shall i do.I locked all the apps which i wanted to lock bt when i open those apps they are not locked..for e.g i locked whtspp n hike on my phone bt when i open whtspp n hike it simply opens up itz not locked though in applock i locked it..plzz help me

    • Hi Angsumika, applock is not locking your apps because it is not among the auto start apps. Find your phone app settings and add applock to autostart. Let me know if there is still any problem.

  5. Vatsal Wala

    Heya man,......I can't find "applock" in apps with data uasage access....and yet evrything is allright and it isn't working

    • Hi Vatsal, have you added Applock to the list of Autostart Apps??? If yes which device are you using and which OS???

  6. I had some apps locked before but now they aren't locking! I think it updated. I've tried many different ways to get it to work but in settings when I try to say "ok" or "give permission" it will only let me press cancel and not okay. What the heck is going on?

  7. FlyForFood

    I've tried all of these solutions including Uninstalling and reinstalling on my Samsung Note 3 and it does not work. Lollipop is my OS.

  8. shubhm thakur

    My android is marshmallow and I enabled the locker from setting but it still not works plz reply soon I will be waiting

    • Have you add the app to your ignore list of apps to clean underground???

  9. satyam

    sab kr ke dekh liya lakin kuch ni ho rha h

  10. sandeep kumar

    hello sir,
    i have using gionee s6s model. the apps lock is not working in my device. is marshmelow veesion. please help me.

    • Hi, Please make sure Applock is not among the apps that will be forced closed.

  11. rahul

    i have micromax canvas 5 Q386 when i locked apps but when i open the apps its opebln are easily

    • That means your applock is not active anymore. Find out the app which is forcing close underground apps and add applock to whitelist.