If you are using a Samsung J7 smart phone this would be a great tip for you.
Now you can hide your sensitive apps and secure them.
Samsung Galaxy J7  comes with a built-in method to keep your apps and pictures locked away from the prying eyes. 

All you need to do is follow below steps.

This option will lock your apps but also hides them from the app drawer and search results.

If you are using a Samsung J7 smart phone this would be a great chance for you.
Now you can save your battery life by using "Ultra data saver"

All you need to do is follow below steps.

This can be set to engage once your data reaches a specified percentage (10% or lower, etc.) or on demand.

Do you use a Samsung J7 smart phone?
If so this would be a great opportunity for you.
You can remember this tip for emergency situations in future.

Now you can change your input language of your phone any time.
Changing your input language is something not everyone will do, but it’s helpful without a doubt.

You can follow these steps:

You can change this as much as you wish
Also you can  feel free to if you have another preferred input language as well.

Do you have lot of apps in your mobile? Sometimes you download apps and you don't use it. Then you forget to uninstall the app. Like that your phone screen will be full of apps and even you will not able to identify which app you need and which app not.
 
 Now you can quickly uninstall the apps you don't need. So all you need to do is go to the main screen. In the top of the right corner you can see vertical line with dots. That indicates the menu bar. First you need to click on that menu bar. Then there is an option call uninstall. So, you need to select that uninstall. Now you can select all the apps you need to uninstall.
 
 You can click on uninstall to delete the apps and uninstall the apps. This way you can uninstall multiple apps with one click.

Do you have two sim cards in your Samsung J7 mobile? Sometimes you use one sim for calling and one sim for mobile data. So it is very important to select the suitable sim when you are calling or using data. So now you can predefine which sim to use by selecting some options. 

First you need to insert both sim cards to your mobile. Then you need to go to settings.After that you can select connections. There you have sim card manager. Inside the sim card manager you can find sim 1 and sim 2 with the details. Now you can select your preferred sim card for calls, messages and mobile data. 

For example, if you want to use sim 1 only for mobile data first you need to select mobile data. Then select sim 1.
So it is very easy to manage your sims.