Need guidance for layer1 and layer 2 connection in firmware

[Akib Sayyed]

i am trying to port mobile app on phone it self as a firmware but unable to
find out how exactly L1 on phone communicate with L2 L3 on pc.

please help me with that.
-- 
Akib Sayyed
Matrix-Shell
akibsayyed at gmail.com
akibsayyed at matrixshell.com
Mob:- +91-966-514-2243
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