hey i have purchased a Samsung A-177 mobile phone this year and it is working fine till now. But last week i locked my simcard by the functionality provided by this phone the other thing is that i used this facility for a week and later on when i disabled the SIM lock and restarted my phone then again it asked me for the sim lock password and when i entered the old password then it gave me an error saying that incorrect password. Please help me out in this case.
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