Quote:
Originally Posted by duckmangga View Post
Enter 5457#*320#

You can turn on the frequency there.

Sent from my LG-F320S using xda app-developers app
Yes, I know it, but when I turn on WCDMA bands, phone not works because it tries to connect 3G netwrork, fails and reconnecting cyclically. I can see it in debug screen *123456#