Hello, I recently helped a fiend out with rooting his Desire 510 and all went well until recently when he decided to try and recover the phone to a previous state without root. He ended up deleting the OS off the phone and lost his backups aswell. Anyways, I've been trying to recover it for him but have had no luck; I have tried to flash a recovery .img file onto but I don't believe that will get the OS back, as it didn't seem to help. The next step I tried was locking the bootloader and then using HTC's EUU recovery software for the model but that failed to recognize the device. So any information and help is very much appreciated, and thanks in advance. ( I will also attach some shots of the phone in recovery mode).
xda-developers