4.01 weird issue - No Service

[Ashin]

I'm on O2 uk, always have 5 bars, no issues, upgraded to 4.01, now my phone is causing my speakers to make a weird popping noise (a little bit like the usually interference noise when a call is incoming, but single pops)

Keeps going to No Service, or "network no longer available, dismiss / settings".

4.01 blows... ;_;

 

[aibo82]

Im on o2 uk aswell its blew my signal to 4 bars and now I only get 1 bar when I hold it befor the update I had 5 bars down to 3! and call quality is terrible its like being back in the 90's on an old nokia snap crack and pop!

 

[Ashin]

Played around a little, and seems automatic carrier is realllly damn slow, it's like my phone had randomly searched kicking me off O2 while it searched.

Gunna see it manually setting O2 helps

 

[Pyrus]

I just had the No Service thing a short while after updating, a reboot brought it back though