no OS installed - Desire 820 Q&A, Help & Troubleshooting

hello everyone,
I have HTC Desire 820U . I rooted my phone. It was working well .But later on I tried to update it and it ask to wipe data I wipe all which delete system data also.
Now the problem starts
its show no OS installed
and also not showing phone in adb devices in fastboot.
plz help me to solve this problem.
thnxs in advance.....

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Hi!
I have Rooted DHD ... last week I traied to install JillyTime ROM .. I did (Full Wipe before installing new ROM) .. The ROM installed with no errors and after rebooting ... HTC Screen and then BLACK Screen .. I left it for 3 hours and Black screen still there!
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egymido said:
Hi!
I have Rooted DHD ... last week I traied to install JillyTime ROM .. I did (Full Wipe before installing new ROM) .. The ROM installed with no errors and after rebooting ... HTC Screen and then BLACK Screen .. I left it for 3 hours and Black screen still there!
Today I traied to install Android Revolution HD 9.0 ... after installing it give now HTC screen and nothing!!
Please help me .. it's my work phone!
thanks for your time
Click to expand...
Click to collapse
Are you S-On unlocked? If so, did you flash the boot.img from fastboot?
bananagranola said:
Are you S-On unlocked? If so, did you flash the boot.img from fastboot?
Click to expand...
Click to collapse
it's S-off and no unlocked word appear... and phone not recognized from Computer when i connect the phone to computer and go to fastboot mode! .. in spite of HTC sync is installed on my computer!
is there any why to flash boot.img from recovery without connecting to computer?

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You can wipe the whole system and internal with TWRP and still be able to restore a Nandroid backup. also,why don't you use fastboot?

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How i can fix this problem on htc one x ?

Hello !!!
I have a trouble with my phone Could you help me please
I have a "htc one x" mobile
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Could you help me and thanks
ps : I have recently opened bootloader
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