no sim

[KBenton]

I just bought an iPhone 3G with the unlocksim and I'm using tmobile. This weekend the phone worked fine with no problems and now it always says "no sim"

Does anyone have any advice please!

[ukmall]

try to pull sim just few millimeters out and than back, that's works for me:)
http://www.uk-mall.co.uk/images/297fa7777981f402dbba17e9f29e292d.gif