I always take my phone and use it anywhere and anytime. I always take my phone and use it anywhere and anytime.

I always have my phone and use it anywhere and anytime. / I always take my phone with me and use it anywhere and anytime. I always have my phone and use it anywhere and anytime. / I always take my phone with me and use it anywhere and anytime.

I always take my phone and use it anywhere and anytime. I always take my phone and use it anywhere and anytime.

you need to say what is being used

As this way, I can get insight and ideas. As this way, I can get insight and ideas.

As tThis way, I can get insights and ideas. This way, I can get insights and ideas.

As this way, I can get insight and ideas. As this way, I can get insight and ideas.

Idea is singular, you either have an idea or ideas. I think in this case you mean the plural

Unlikely TV, I can see any contents wthat I want and it's easy to watch again. Unlike TV, I can see any contents that I want and it's easy to watch again.

Unlikely on TV, I can see any contents what I want and easy to watchily rewatch them again. Unlike on TV, I can see any content I want and easily rewatch them again.

Unlikely TV, I can see any contents what I want and easy to watch again. Unlike TV, I can see any contents what I want and easy to watch again.

unlike means different from, unlikely means probably wont happen

I can read news, and post pictures on (Social Media) my SNS . I can read news, and post pictures on (Social Media) my SNS .

SNS is right but if it's an acronym we don't use that much.

Like this, I use my phone for many purposes every time. Like this, I use my phone for many purposes every time.

Like this, I use my phone for many purpose every times. I use my phone for many purposes.

Like this, I use my phone for many purposes every time. Like this, I use my phone for many purposes every time.

there is a spelling error may/many. If you mean many then purpose should be the plural purposes

These dasys, It is very hard to live without my smart phone. These days, It is very hard to live without my smart phone.

These dasys, Iit is very hard to live without my smart phone. These days, it is very hard to live without my smart phone.

These dasys, Iit is very hard to live without my smart phone. These days, it is very hard to live without my smart phone.

For example, my smartphone is like my second brain that I. I use it to write, findsearch, and think something with the phone. For example, my smartphone is like my second brain. I use it to write, search, and think.

For example, my smartphone is my second brain that I use to write, find things and think something with the phone. For example, my smartphone is my second brain that I use to write, find things and think.

your sentence is confusing, I have tried to make it clearer. Sorry my feedback on this one is not so good

There are many videos on many (various) topics in English. There are many videos on many (various) topics in English.

Moreover, YouTube has a function to change speed, so it is very helpful to practice shadowing in English. Moreover, YouTube has a function to change speed, so it is very helpful to practice shadowing in English.

Moreover, YouTube has a function to change speed, so it is very helpful to practice shadowing in English. Moreover, YouTube has a function to change speed, so it is very helpful to practice shadowing in English.