Sony Ericsson phone says Insert Correct SIM?

kckqoo

New member
The story is my C905 got splashed and some buttons on the keypad stopped working. I sent it to SE and they said they returned it unfixed because of the water damage and corrosion that spreads. However, when I put my SIM card back it, it now says "Insert Correct SIM" even though the SIM card works in my W810. They even replaced my keypad and every button works.

After looking up my SIM lock info, everything says 0.

Does anyone what happened and how to help?
 
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