I made a backup of my nokia 5110 using NokiaFlasherByRolic v4.77 and I used an MCU file with a PPM file to upgrade the phone into version 5.29. After doing that, the screen showed me "Sim not accepted". Well, I used the "unlock" command of the program and the phone started butthere was no singnal and sound, and it was restarting once a minute. If i write back the backup i made, it shows the message "Sim not accepted" but the version(5.04) is not supported for unlock by the software i used. What whould i have to do if i hadn't had a backup file? How can i make the version 5.29 work? Please help me, i need my cellphone. I can't do my job without it.







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