please mera ak problem solve kerne mein help keren

mein ne apne mobile ke battery karab hone ke waja se us mobile ke warid sim nikaal ker apne doosray mobile mein insert ker de laken mobile mein configuration ka musla ho gaya hein jaab mein call kerne ke koshush kerti hoon to check network service ka message aata hein mujay warid ka ya message bhi musool hua hei: dear customer warid will send you confi guration settings. use 0000 as pin if prompted.please please tell me what to do?