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Sim part is the very important for every mobile phone.Mobile phone do not full active without sim card.Now I share how to repair nokia 1200 sim problem without sim ic only using simple jumper.View below picture this is nokia 1200 sim jumper.
How to do this work : This solution make without ic using by jumper.Insert sim problem repair is good replacing sim ic.But you have no sim ic then you can apply this solution.It is very easy work.If you want to repair insert sim using jumper.then first remove sim ic and make this jumper following above picture.