Internet share really slow in 4.2 in my 10II

REPRODUCIBILITY (% or how often): allways
BUILD ID = OS VERSION (Settings > About product): 4.2
HARDWARE (XA2, X10, X10 II, …): x10 II
UI LANGUAGE: english
REGRESSION: (compared to previous public release: Yes, No, ?):

DESCRIPTION:

when using internet sharing the connection in the device to share the internet with is too slow.

PRECONDITIONS:

STEPS TO REPRODUCE:

  1. open internet sharing
  2. open a webpage in another device that share the internet with
  3. internet so slow in the shared device

EXPECTED RESULT:

that the internet is more smooth and fast

ACTUAL RESULT:

internet shared is slow

ADDITIONAL INFORMATION:

(Please ALWAYS attach relevant data such as logs, screenshots, etc…)