problem lock sim k800i

am be problem k800i lock sim vodafone
"insert corect sim card":a003

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Here for simlock remover patch generator : Remove SIM-lock patch generator - Top Sony Forums

Flash you mobile with another firmware or update it

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Originally Posted by Vllatko_Br

Flash you mobile with another firmware or update it

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flashing firmware wouldn't unlock the phone, needs to unlock to solve the problem