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dual sim


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Posted by raymerium
can someone please help me regarding my problems with my dual sim?
i bought one for my nokia 3510. It is a modified back case with 2 sim slots. My problem is whenever i use my Globe plan500 sim together with my Sun prepaid sim. Whenever i try make my plan500 sim active i either get "sim registration failed" or "insert sim card" after which the cellphone reverts back to the the Sun sim. But when i insert my other globe prepaid sim together with the Sun sim its ok. If its my sisters plan500 sim paired with the Sun sim it works ok too. And when i just use my plan500 sim solo, it works. But occasionally i get the error messages in which case i just press cancel. The only thing in common between my sister's plan500 sim and my globe prepaid sim is that they're STK. My plan500 sim is WIB GTC. Is that whats causing the problem? Should i have my plan sim replaced with an STK type?


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