After flasing Viper Rom (HTC ONE M9) No Signal/Unknown BASEBAND/No IMEI!!!

Hi all,

After flashing a Custom ROM (ViperOneM9 4.3.0) on my HTC One M9, no signal /no imei/no baseband , i try to restore stock rom via command prompt (CMD) "fastboot flash system C:\onem9r\system.emmc.win;"
the same problem.
HTC ONE M9 (Canadian Model)
mid: 0PJA11000
cid: ROGER001
OS-3.38.631.2

Help me please!!!
Thanks!

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