network problem

[pknlee]

Yesterday update to jb 4.2.2 and I found that the network signal very week. At indoor will no network. Outdoor not even full signal. My friends handphone is full signal. Why? Pls help:-(

[Henke]

You can try to switch network if you go to settings, more.., mobile networks, network mode:

Here you can switch to another mode and see if its getting any better.

If problem still there you can try another SIM-card/network provider.