No Service

Hi guys, I have a problem with my RN2. It was working properly two months and today network just broke and after that always says no service. When I go into mobile networks it recognizes sim card, if I go to search mobile network sometime find networks, sometime not and newer want to connect. I was trying different sim card and always show same problem. I also tried several roms without results.:(

Anybody knows what the problem can be?:rolleyes:

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