In S500i I discussed the difficulties of installing the supporting software for my new Sony Ericsson S500i Mobile phone.
I’ve also been having a SIM related problem, where the phone seemed to periodically lose contact with its SIM and gives an “Insert SIM” message or saying that it was an “Invalid SIM”.
I phoned Christopher Duffy, of Carphone Warehouse in Knutsford, where I had purchased the handset, in order to complain about the “Insert SIM” message. He was kind enough to explain that he had come across this problem before, but there is a solution.
You need to push the SIM right in with a pen until it clicks and locks in place, almost like inserting a memory card. - A little detail that they omitted from the (very superficial) S500 manual! In the manual, it gives the impression that the battery holds the SIM in place. This is not the case!
In order to extract the SIM, it needs to be pushed in again, at which time it pops out.
I wish Sony Ericsson would improve their support and documentation standards to match Nokia’s.
Since “clicking in” the SIM, I have not had the dreaded “invalid SIM” message.

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