I used the all-in-one tool kit to root my M8. I was following the steps involved and was successful. I tried to install the xposed framework and was told to flash a custom kernel. After doing so my phone will only boot into the fastboot menu, with the "tampered" warning at the top. I can get into the recovery through hboot. Is my phone ruined and if not how can I get this fixed?
Sorry if this has been asked before but I am quite nervous that I ruined my phone. Any help would be much appreciated.