vendredi 21 août 2015

signal is weak - Lg G2 - D801



hello
i bought a Lg g2 d801 3 month ago
i have bad signal in some places.for example when another phone has 5 asu signal, my phone (Lg-g2) has no signal.! iget in trouble with that,finally i updated phone to the android 5 as bellow:

Version: V30b
Country: TMO/T-MOBILE(USA)
Model: LGD801BK

but signal didn't change.
i returned back the phone to the seller and they told me the phone is perftect after doing some test.
can anyone help me?
as i live in Iran ,is there any firmware that can solve my problem?
thanx



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