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I'm using a Samsung Galaxy I551 with Android 2.2 FroYo.

Sorry for my ignorance, but I have not idea what is that app (which came installed and without rooting can't be removed). And it is using 15MB of my internal storage! I only have 160MB so that is a lot.

What is this app for? What will happen if I clear its data? Are those 15MB included in the storage DiskUsage categorize as "System Data"?

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up vote 9 down vote accepted

Social Networking Service. I believe it's used for social networking widgets. Clearing the data will just clear the posts and account info in the widgets. I'm not sure if the Facebook or other apps rely on it.

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So, nothing bad should happen if I delete its data? It acts like a cache? – Diego Aug 9 '11 at 13:11
@Diego Yep it should be fine. – Matthew Read Aug 9 '11 at 14:12
Nothing seem to went wrong.. Not even with Facebook widget! Thank you!! – Diego Aug 9 '11 at 14:16

I was able to force close the app from the Settings -> Application menu (but I had to do it 4+ times for it to stay gone, and I also tried a task killer on it before that but it came right back.)

Force close has kept it off for twenty minutes now! :) I hope it stays gone. I don't want to have to root yet.

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Just to enhance Matthew's answer:

An "SNS" contact can also come from SKYPE if the app is installed.

I used to "Skype out" to my Dr. so skype knew his number. When I look up his name on my Samsung stratosphere phone, it is not found. However, I go elsewhere, get his number, and put it in, it pops up his name! Frustrating!

Today I solved it: he can't be looked up as a "contact" but is in my FAVORITES (!! Favorites but not contacts ?? !!) and when I "edit" (from putting his number and having the name come up) then it says "can't edit SNS data", which is how I got to THIS message thread. So yes, probably twitter, facebook, etc, but for sure "Skype" too!

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I think it is Simple Notification Service

Thus for platforms that use push notifications (Skype, Google+, Facebook, Twitter, etc) you will see this application updated from time to time.

Admittedly as a Network Security Professional, this made me pause when I saw it updated as my S4 is rooted, but turns out it is a normal item.

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