Do you know that the old CM Security app which is familiar to most of the Android users is now upgraded to a new name as Security Master? So CM Security or Security Master is now comes up with very high end features like Antivirus, App locker, Phone Booster, VPN etc. The whole new upgraded version of CM Security is developed by CM Cheetah Mobile. For a smartphone this app provides all in all security features needed whenever you operate one smart phone. We all strengthened the overall protection for your smart phone by applying a protective shield in form of privacy and security.

We will discuss every features and how to download this app in details on the below content. So follow the below features and over all steps to download this app and make the CM Security useful in your Android smart phone.
Features of CM Security or Security Master (upgrade version)
All the best features provided by the CM Security app will be discussed in details on the below points. User can get all the pre Idea about this application when they read this content completely. So have a look on the below contents.
Best features of CM Security-
- First of all this app provides Safe connect VPN (Virtual Private Network) which is basically used to protect our favourite contents from the hand of hackers. We provide total privacy and block the outside hackers and thus create a much secured cyber environment which all the user’s needs. This app will extend its protection range in online data transmission, private information sharing, prevent banking data leak, and so on which will be available very soon.
- This app is one of the most valuable diagnostics tool for your Android smart phone. In diagnosis you can get you phone clean, safe, optimise and battery saving option like to keep your phone as new one. The scanning option helps you to remove the potential viruses and keep your files safe from being corrupted. It also comes up with junk cleaner which automatically cleans up the no usable unnecessary file from your phone. It has an intelligence feature named CPU cooler which keeps your CPU cool while your phone is on charging and you are playing games.
- The CM Security (Security Master) protects your app from the un-authorised users. You can lock your system settings, dialler, messages, browser, contact, and any other app also. Moreover you can hide your lock screen notification content such that nobody can able to view those personal contents.
- There is an option to protect your phone from snoopers. If any unknown person is trying to unlock your phone with wrong passwords, after a certain try his photo will be automatically captured and this will be sent in your email. After that you can easily introduce who the intruder is.
- Choose your best theme for your lock screen and enable the CM Security protection by replacing your default lock screen.
- It automatically cleans all the unwanted notifications from the notification bar which keep your phone very fast instead from slowing and jamming down.
- You also get one CM Security Lite – Antivirus version of app which only provides the security from viruses by performing schedule scan in your device.
- Block the unknown callers such that you will not be feeling disturbed in your convenience time.

How to download the APK file of CM Security or Security Master –
The below step will helps you to download the CM Security APK file from the browser itself and to download in your smart phones. So follow the below guidelines.
- Open any one of the browser from your smart phone and type the app name APK download in the search bar.
- You will find the search result list in which on the top options you open any convenient link to download the file.
- Once the webpage gets open out find the download button and click on that button.
- The downloading will be start automatically and the file will be saved in your phone or external storage.
To download the APK file Click HERE.

APK Installation Guide –
- Open the APK file from your storage and click on that file to install.
- You might get one pop up warning that “the installation from un known sources has been blocked by the phone security and privacy”.
- Now go to your phone settings -> Security -> Unknown sources -> Enable.
- Again open the APK file and click to install, the installation will do automatically.
- After installation you can get the app on your App drawer.
Install CM Security or Security Master from Google Play
- Open the Play Store app from your app drawer of Android phones.
- On the top search bar type the app name and you will get the results of this app.
- Select the app and click install button.
- The app will starts to download and will install in your phone.
To install this app from Google Play Click HERE. For install the lite version Click HERE.

That’s all about the CM Security APK which you might feel better after installing in your Android Smart phone. If you want the best security solution for your Android phone then this is the best recommendation for you. Always remind that you need to keep your phone safe and secured always, so be free to download the best editors recommended software from the Google Play or recommend websites. Some other third party sites are there which may contains viruses or bugs and may harm your smart phones easily.