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Tablets and smartphones - do they use cookies?
jsmith99
01-09-2014
While idly musing, a couple of questions occurred to me, and I realised I had no idea of the answers. So I'm putting them to those with greater knowledge.

Do tablets and smartphones use cookies while browsing? Obviously the must use "session cookies", but what about longer term ones. If the do, is it possible to delete them?

If i use my smartphone for what I believe is called "mobile data", i.e. as opposed to wifi, I suppose I must have an IP for the browser to work, but what is it based on? The cell I'm currently nearest to? An IP which covers an area or an entire network?

Neither question is particularly important, or even of any practical value, but I'm just curious about it.
BKM
01-09-2014
Originally Posted by jsmith99:
“Do tablets and smartphones use cookies while browsing? Obviously the must use "session cookies", but what about longer term ones. If the do, is it possible to delete them?”

Yes they do and yes you can clear them! Or you should be able to!

On an iPhone, for example, for the default Safari web browser it is "Settings->Safari->Clear Cookies and Data"
Quote:
“If i use my smartphone for what I believe is called "mobile data", i.e. as opposed to wifi, I suppose I must have an IP for the browser to work, but what is it based on? The cell I'm currently nearest to? An IP which covers an area or an entire network? ”

In the mobile phone settings there is an APN (Access Point Name) permanently set for the network you are on - see http://www.mobilez.org/support/apns/uk/ If you put a new SIM in you have to change APN.

I presume that, when the mobile wants to call out it uses the GSM system to contact its assigned APN and is then assigned an IP address which it uses for that data transfer.
jsmith99
01-09-2014
Originally Posted by BKM:
“Yes they do and yes you can clear them! Or you should be able to!

On an iPhone, for example, for the default Safari web browser it is "Settings->Safari->Clear Cookies and Data".................”

Thanks, on my iPad I found that page, and deleted cookies, just to see whether it affects my browsing. I don't suppose there's a method of saving important cookies, such as there is in cCleaner?

That page also allowed me to access my saved passwords.

Originally Posted by BKM:
“..................In the mobile phone settings there is an APN (Access Point Name) permanently set for the network you are on - see http://www.mobilez.org/support/apns/uk/ If you put a new SIM in you have to change APN.

I presume that, when the mobile wants to call out it uses the GSM system to contact its assigned APN and is then assigned an IP address which it uses for that data transfer.”

So that's the equivalent of a dynamic IP, I take it?
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