[Q] SPRINT Galaxy S4 Baseband = L720TVPUAMK5 Model = SPH-L720T topic

PLEASE REMEMBER WHEN ANSWERING THESE QUESTIONS THAT I AM ONLY ASKING FOR CONFIRMATIONS ON THE MK5 MODEL.
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I just got a brand new SPRINT Galaxy S4 Baseband = L720TVPUAMK5 Model = SPH-L720T

1) Can anyone confirm a good safe root method that works on SPRINT Galaxy S4 Baseband = L720TVPUAMK5 Model = SPH-L720T ?

A) if Yes, will it trip the MK5 warranty flag?

a) Is there a way to get the MK5 warranty flag back to un-tripped?

B) Will it trip the MK5 custom flag?

b) is there a way to get the MK5 custom flag back to un-tripped(official)?


Basically, I want to find a safe way to root my MK5 and a know that I can get it back to stock (warranty covered, and custom=Offical before I root my device.

THANK YOU in advance for any assistance.