sm-g900 imei problem-can not identify processor-help

new volcano user-samsung copy sm-g900 can not idenify processor.



when connect usb-phone screen as please select usb application

1.charging

2.u disk

3.pc connecting



when select pc connecting-message as below

"""""sim card is locked or does not exist""""""(with or without sim same error)



so not detect in device manager and can not idenify processor.



help me

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