Default [Q] Easy Method to root 4.3 C5302 [LB]???

Guys, Is there an easy way to root 4.3(12.1.A.0.266) with Locked Bootloader???. Please don't post the thread directing the create your own FTF thing to root your phone.
DEVICE:- LG-P350 (OPTIMUS ME/PECAN) & SONY XPERIA SP(C5302)

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