Internet problem Sony Xperia Z1 Compact

[Orkhan]

I have a problem with my Sony Xperia Z1 compact. Internet disappears and while mobile fon internet  or wifi internet problems appears . could you help me to solve it?

Thanks in advance.

[_alexdon_]

Does this happen after you turn off the screen? If yes,do you have stamina enabled?

[Uliwooly]

Does it happen while the phone its on safe mode?

http://talk.sonymobile.com/t5/FAQ/How-to-boot-your-phone-into-safe-mode/m-p/348008#U348008

[Sam]

Can you please elaborate on the problem, for example are you dropping signal, is the data connection dropping by itself, how frequently does this happen?