Lagging issue

[rivera573344]

I have the original OS from tmoblie. When i play videos the phone lags alot. Is this because of the OS; would it lag less if i upgraded, or is it becuase the files are large.

 

[algbas]

Are you restarting the phone Daily or have you pulled the battery with the phone On??

 

[I killz you.]

nice of you to post this in more than one forum.