У меня WWE_R11_100_0097 и проблемы с эхом, когда говоришь по телефону. Noise patch audio patch ставил уменьшел чуствительность gsm микрофона не помогает

Вот думаю перепрошить... А моможет ли ?
P.s. Телефон G500
New feature of OS 97 EE version
FM tuner application built in.
Due FM function that is required headset as antenna to capture FM
signal, please insert headset into connector before open FM
application.
A help guide include in this application that help customer using FM
application, please click the question mark to open the help guide as
below shown
Satellite data update application built in
This application mainly to minimize the amount of time it takes your
GPS receiver to acquire a fix. Basically it works is a little technical;
The chipset predicts a weeks worth of ephemerides (location data from
GPS satellites) and caches them for future use.
The detail operating procedure, please refer to Annex A
Notes: To make both applications mentioned with best performance, the GPS
firmware is required to be updated, the detail operation please refer to
special operation item