cedar calling problem

[#1]

Hi,

my SE cedar hangs up while calling or during any network related activity.

this doesn't happen when other sim cards are used.

when i put my sim card in other's phone and then put back in my phone,it starts working.

Is this a sim card problem or i need a software update?

I tried software update with PC companion and also with update service.But its saying 'no new software update' even in case of repair mode.

so if i need an update how to do it?

or i should change the sim card?

Please help me.

[Dr_Chris · Accepted solution]

I suggest you clean the contacts on both the SIM card and the SIM card slot (in the phone) and see if that helps.If not, try a master reset and failing that, request another SIM card from your network.

[#3]

problem solved

i have replaced my old sim card with anew one

no troubles now

[Dr_Chris]

That's great!