Want to Uninstall/Remove Factory Installed App to Free some ROM,,,,, Possible????

thank u so much im still not 100% sure but yes getting little bit what u r saying.......
You may remove every drm app using Titanium backup free or pro. Provided your phone is rooted. Even the superuser, task manager etc can be removed. S-Off and rooting is different. You don't need to S-Off to root the phone. Rooting is getting root access / Super user (SU) access to the Android OS, which is based on Linux.

S-Off is security off. There is a security flag in the Radio NVRAM section of the phone. This prevents changes to the /system partition (where the rom is) when the phone is on (for example preventing system applications like phone to be deleted). S-OFF is achieved by flashing a custom HBOOT which "ignores" the security flag. Beginners don't require that, so just ignore that.

custom HBOOT is modifying the system partition of the phone (ROM). You may try that if you have a phone with small internal memory, you may flash a shrinked custom HBOOT that obviously will the increase the internal memory of the phone. But you can't flash a stock rom or any other rom made for stock hboot. You need to flash a specific rom that fits on that custom hboot space. Simply ignore it, it's not for beginners.

VERY IMPO :- Since you 're a beginner, install custom recovery and make Nandroid (file system image) backup. Before exprementing anything.
 
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