Invalid Sim Card Problem ! Help Needed

A

AC Question

I was using network sim card ( other than Sprint ) with out any Problem on my htc one m7 sprint .
Tried to update the phone using RUU.exe provided by HTC but stuck at 33% ...for 3 hours ...After that i tried the flashable ruu ....after that phone was not turning on ..every time i was facing red triangle after htc logo .....
then i flashed recovery ..and installed cm 12 for sprint. now sim card is not working ..no error message is shown in status bar .....
What should i do now ?
 

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