I am with locked bootloader n rooted(with system version 9.16.6). I am really a noob in matter related to flashing. N i don't want to unlock bootloader. I want to use the official firmware through ota method just like i updated my phone with 4.1.2 from 4.1.1 earlier.
So is it safe for me upgrade because hsd data n voice through Indian cdma operator's omh is my primary requirement(i need this) n i don't want to mess my phone with complicated process?
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