bought a work phone. functions are limited.

jshe0729

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Jun 15, 2014
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Hi, please help me out.
I bought an used galaxy s4 and it turned out to be a work phone. I'm clueless to what to do at this point.
android version: 4.2.2. CPU model : MT 6589 . no root access.
Ram: 472 MB total, 90 Mb available.
Ram speed 682
these are functions that I am having problem with.

1. Slow! I ran antutu benchmark, turns out it has a lowest ranking. number that i got was 8986 . (2 times lower than the original s4 )
2. internal memory is limited to 2 Gb. Did they restrict the usage or is that what i have? How do I know that?
3. prohibited youtube from running
4. Under settings --> my device --> lock screen --> I only have one menu which is home and lock screens to change the pictures.
( don't have multiwidge menu etc,. )
5. Under blocking mode --> on --> no further menu even if I press on blocking mode
6. CAMERA --> so slow!. takes about a sec to take a decent picture and the resolution is not good. but even some of the slow/ fast video options are absent.

I came down to this conclusion. someone purposely downgraded the phone/ restricted to go into further menus. is there anyway that I can put this phone back to original? I don't care how fast the phone is. please help me out. :'(