Hi!
Go to eScreening Apps and changing Set Bandmode.
link here:
HUONGMOBILE - Mua ban trao doi dien thoai di dong SONY ERICSSION
by PC......
On home display of Bold pressing buttons ALT +EACE , you will have some informations. To get them and filling on the Weblink above PC you shoud have 'Key XXXXXXXX". And then very important :
On BB To keep display (ALT +EACE ) Shoud not change or escape, input Key XXXXXXXXXX by buttons will go to eScreening apps (On display nothing shoud' be appreared)
Going to Moblie network Engineering Screens->enter->Cell informations->enter->menu key->Set Bandmode -and Escape
to save.
Turn on Mobible network again _> Try to change 2G or3G
!!! Before making procedures above--Turn off Mobile network
Good luck!
My bold now running perfect with .681 (2G and 2G&3G)