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[Q] Sensation won't boot :( Please help..Anyone???

Hi all,
I recently bought a used sensation from ebay and now it won't boot. I allready read a couple posts in this forum. Did the adb reboot and adb reboot bootloader and didn't work. So I think it's not rooted. What exactley happens is, the will not boot. It stays blank and the led lights too, but when plug it into my laptop\pc, it gets reconized and able to install the adb drivers to it. The led lights are then lit and pressing the power button kills it for a second and then restarts. Getting the same connection to my pc but no boot. I then installed adb tools trying to reboot the bootloader, but when i type in adb devices, I get nothing listed. So when i tried adb reboot i get error: no device found
Just moments ago i installed a new jdk and currently installing android sdk to make a proper connection with the device.
Any advice?? Pff

I think it phone has been completely wiped so there is no any OA Rom installed. Try booting in to recovery then see if its rooted then install any custom Rom. The most safest way is install RUU from ur PC which restore it to original.
Sent from my HTC Sensation Z710e using xda premium

still no luck
I've read the post noob guide (adb,sdk..), done every step, still it won't see my phone

Run RUU from PC because it phone is recognized by pc that's best way.
Sent from my HTC Sensation Z710e using xda premium

Just check which recovery have u got if clockwork then flash any custom Rom again. U need 2 use card reader to transfer rom
Sent from my HTC Sensation Z710e using xda premium

can I use one of these stock ruu's?

http://forum.xda-developers.com/showthread.php?t=1228648

Ok so from what I understand is that even without being in bootloader or recovery. Just by being connected, I can install stock ruu to my phone and then everything else? I'm downloading one of the ruu now

Ok from what i read, I cannot get into the bootloader or recovery cause it's maybe hard bricked. Is there a fix for this?

jasminthoria said:
Run RUU from PC because it phone is recognized by pc that's best way.
Sent from my HTC Sensation Z710e using xda premium
Click to expand...
Click to collapse
Ok sorry for the late reply. Due to my "lovely" bandwidth, I finally found the stock rom for my device, version tmous 1.45.531.1. I ran the setup and everything went fine, until i got an error error 1105 or something that it's not compatible with my device. How can that be if it'.s not from another vendor. It says t mobile on top lol. Does this mean that i'm screwed?

Still haven't got it to boot. Only led is lit when plugged in charger or pc. The screen stays blank and unplugged it does nothing. Only if there was a way to get it in fastboot or just to see life in my device

Hold volume down plus power button. You will be in fastbboot .

first press and hold the vol - button then just press the power button without holding it, but keep holding the vol -
wait 10 seconds
release the vol - button
press power button again
now you should be in fastboot
on your computer in command prompt type fastboot devices and see if your computer recognizes the phone

Cant enter recovery, stuck on HTC logo

Power button on my HTC One S stopped working to I decided to fix it. I discharged the phone completely and opened the phone. I got to the switch and it fall apart from the motherboard so I soldered it in place. I dont know what could cause this, but now The phone doesnt want to boot. Its stuck on HTC logo with red warnings. Phone was running great on TrickDroid 9.1.0 before the discharge/opening. However Im able to enter bootloader. I can use fastboot usb ( I triend to flash different boot.img and recovery but it doesnt help. fastboot show flask OKAY but still, phone doesnt want to boot. When I choose recovery from hboot It will reboot into htc logo without warning, the status bar in the corner will pass 2 times and after 30sec it will just reboot into warning logo.
I have HBOOT 1.09.
Does anyone know what happend?

Discharging the phone is bad.This is a common issue, especially if youre using CWM.
If you are using CWM - change to TWRP.

Goatshocker said:
Discharging the phone is bad.This is a common issue, especially if youre using CWM.
If you are using CWM - change to TWRP.
Click to expand...
Click to collapse
Great advice cuz in my opinion 'TWRP' is way better interface but can you give him more detail and I'm sure in this case he would not mind being treated as a noob, I would but I'm not as good as you and Darknites lol :good:

I downloaded t-mobiles ruu and installed it in fastboot. everthing installed fine, updated radio and hboot. But still its looping on htc logo. hboot is 1.14 and is relocked. Any ideas?

krzysiek033 said:
I downloaded t-mobiles ruu and installed it in fastboot. everthing installed fine, updated radio and hboot. But still its looping on htc logo. hboot is 1.14 and is relocked. Any ideas?
Click to expand...
Click to collapse
Re check the power button, and are the touch keys blinking at anytime when you turn on the device?

ultraprimeomega said:
Re check the power button, and are the touch keys blinking at anytime when you turn on the device?
Click to expand...
Click to collapse
They blinking only if I hold the power button for few sec.

krzysiek033 said:
They blinking only if I hold the power button for few sec.
Click to expand...
Click to collapse
Its not good that its still looping after using a RUU but try factory reset or you can try just unlocking the bootloader and trying a custom rom.

Help--- NO Hboot , Phone wont Turn On

Ok, so first of all my usb debuggin is switched off and now that my phone wont show screen only led lights, i cant change this and since i cant get into HBoot i cant flash anything and all i can do is stare at a screen with led lights....

Berkaypkk said:
Ok, so first of all my usb debuggin is switched off and now that my phone wont show screen only led lights, i cant change this and since i cant get into HBoot i cant flash anything and all i can do is stare at a screen with led lights....
Click to expand...
Click to collapse
Try connecting it to your PC and see what it reads. Open device manager and see what it says is connected to your PC.

Berkaypkk said:
Ok, so first of all my usb debuggin is switched off and now that my phone wont show screen only led lights, i cant change this and since i cant get into HBoot i cant flash anything and all i can do is stare at a screen with led lights....
Click to expand...
Click to collapse
How did you manage this? Did it just power off or were you trying to flash anything or? Does the led flash red 3 times when you hit the power button?
Sent from my HTC Sensation XE with Beats Audio Z715e using Tapatalk 2

heavy_metal_man said:
How did you manage this? Did it just power off or were you trying to flash anything or? Does the led flash red 3 times when you hit the power button?
Sent from my HTC Sensation XE with Beats Audio Z715e using Tapatalk 2
Click to expand...
Click to collapse
I Had the revelation rom 1.0.2 and stupidly enough i flashed the sultan kernal (god please kill me) and now it shows the htc logo and after that black screen and when i try enter HBoot the screen fades and then thats really it and for the led lights the lights just stay on as if the phone is actually on since the phone charges and etc and i could use the power button to turn the led light on and off, Thanks

astar26 said:
Try connecting it to your PC and see what it reads. Open device manager and see what it says is connected to your PC.
Click to expand...
Click to collapse
I had usb debugging turned off but for some reason i somehow got the computer to read the SD-Card for a couple seconds by booting the phone and plugging the usb cable straight away or some kind of combination like that but when the led lights are on and the usb cable is connected via my computer it only charges since the red light goes on.

Berkaypkk said:
I Had the revelation rom 1.0.2 and stupidly enough i flashed the sultan kernal (god please kill me) and now it shows the htc logo and after that black screen and when i try enter HBoot the screen fades and then thats really it and for the led lights the lights just stay on as if the phone is actually on since the phone charges and etc and i could use the power button to turn the led light on and off, Thanks
Click to expand...
Click to collapse
Reflash revelation 1.0.2 (without wipe), with smartflash (in case you're s-on).
Happy to help.

Can you enter in Recovery ?

silentvisitor said:
Can you enter in Recovery ?
Click to expand...
Click to collapse
Nope, thats the problem, i tried literally every single method online for 5 hours literally and i am not exaggerating since i bought this phone a couple days ago and now that its basically soft bricked im going to get killed
but yh i cant access HBoot, recovery etc so i cant reflash anything anyway thanks everyone for the help but my finally option is to go to a shop and ask for them to get it repaired hope it is under £20, thanks again, im in shock on how helpful this forum is

Berkaypkk said:
I had usb debugging turned off but for some reason i somehow got the computer to read the SD-Card for a couple seconds by booting the phone and plugging the usb cable straight away or some kind of combination like that but when the led lights are on and the usb cable is connected via my computer it only charges since the red light goes on.
Click to expand...
Click to collapse
I mean, open device manager on windows, and see what it shows when the phone is connected. That might help finding what the problem is. Also, did you try RUUing?

astar26 said:
I mean, open device manager on windows, and see what it shows when the phone is connected. That might help finding what the problem is. Also, did you try RUUing?
Click to expand...
Click to collapse
The thing is what ever i try with holding the volume down and power button it wont enter recovery, hboot, bootloader etc it just wouldnt work and with the device not connecting to the computer there is litereally nothing we can do and as i said my final option is to take it to a repair shop and guess what it costed me £10 , THanks for the help

Berkaypkk said:
The thing is what ever i try with holding the volume down and power button it wont enter recovery, hboot, bootloader etc it just wouldnt work and with the device not connecting to the computer there is litereally nothing we can do and as i said my final option is to take it to a repair shop and guess what it costed me £10 , THanks for the help
Click to expand...
Click to collapse
I don't mean what you can or can't do with the device on the computer. just what it shows when you open up device manager and the phone is connected...

astar26 said:
I don't mean what you can or can't do with the device on the computer. just what it shows when you open up device manager and the phone is connected...
Click to expand...
Click to collapse
Nothing, it wouldnt connect

So what did the repair guys do to fix it?
Sent from my HTC Sensation XE with Beats Audio Z715e using Tapatalk 2

heavy_metal_man said:
So what did the repair guys do to fix it?
Sent from my HTC Sensation XE with Beats Audio Z715e using Tapatalk 2
Click to expand...
Click to collapse
i have no clue, i still havent received a call that it has been repaired and therefore im not sure if it is repaired yet.

They will just flash a new bootloader on it through JTAG. Your phone will be like new :good:

silentvisitor said:
They will just flash a new bootloader on it through JTAG. Your phone will be like new :good:
Click to expand...
Click to collapse
Oh, they said that it isnt a software issue and that they have to send it to a bigger company and flash something on it which is going o cost me £25 , i better get everything ready again

Berkaypkk said:
Oh, they said that it isnt a software issue and that they have to send it to a bigger company and flash something on it which is going o cost me £25 , i better get everything ready again
Click to expand...
Click to collapse
naah simply wrong boot flash will cause no problem
first of all ..to go to bootloader ...remove battery ,reinsert it then hold power + volume down button ..that should take you to bootloader
edit: you are forgetting to remove battery and reinsert it before doing power + volume down ..thats why you cant enter bootloader
(if you turned off fastboot ..which is on by default you could simply boot to bootloader by holding volume down + power )

ganeshp said:
naah simply wrong boot flash will cause no problem
first of all ..to go to bootloader ...remove battery ,reinsert it then hold power + volume down button ..that should take you to bootloader
edit: you are forgetting to remove battery and reinsert it before doing power + volume down ..thats why you cant enter bootloader
(if you turned off fastboot ..which is on by default you could simply boot to bootloader by holding volume down + power )
Click to expand...
Click to collapse
Lol, i i tried that literally a thousand different times with different combinations and it just would not enter nothing, all it does is sometimes act like its going to enter something and then it fades of black and thats it, nothing else.

Did you finally get it repaired? I'm curious cause I have the issue now (does not power up nor cannot get it bootloader)...

b099y said:
Did you finally get it repaired? I'm curious cause I have the issue now (does not power up nor cannot get it bootloader)...
Click to expand...
Click to collapse
how did you get in that situation?

[Q] Stuck with bootloop no bootloader access :/

Hello, just to start I have read through probably 100 post regarding similar issues but none are working. I have the ATT Htc one x EVITA 3.18 version. I did the super CID unlocked my bootloader through htc dev, flashed twrp recovery, and got a custom rom, gapps etc.. in twrp I wiped all data,system,cache, factory reset. Then flashed my rom and gapps (being kinda new to HTC devices I didn't flash the boot.img from the rom) now my phone after restarting just continues a bootloop (HTC Quietly Brilliant) screen, then powers off repeating this over and over.. I tried holding the volume down with the power button it just loops again, the I tried some other suggestions like holding power and vol down until the flashes stop and releasing power while continuing to hold volume down, again loops, then tried using volume up as well...none of these are working I don't understand what happened and why I can't get into any of these? I did not run any RUU. I tried using adb but of course i cant get into fastboot or anything so the phone is not recognized. If anyone could please help I really do appreciate it. I know this has been all over the threads but I read for the past 3 hours and could not get anything to work.. Thanks in advanced for any help it is much appreciated. :crying:

First of all, don't hold volume up and power, that's bad news. Trying random button combinations is a really bad idea. While it's looping just hold volume and the next time it starts again it should reach the bootloader.
Sent from my Evita

timmaaa said:
First of all, don't hold volume up and power, that's bad news. Trying random button combinations is a really bad idea. While it's looping just hold volume and the next time it starts again it should reach the bootloader.
Sent from my Evita
Click to expand...
Click to collapse
Thanks for the reply timmaaa... I usually would not try the other button presses just someone else had said that worked for them, but thanks for the advice. I did try what you said and just holding the volume down button, let it bootloop, and keep holding and it just continues to bootloop :/ it stay off for about 20 seconds the same then bootloops, with the htc screen for about 5 seconds the rinse and repeats D**n this thing is annoying. Any other Ideas? Thanks again man appreciate it.

if you are SOFF u can go for RUU?

Sonone said:
if you are SOFF u can go for RUU?
Click to expand...
Click to collapse
No I'm still s-on I didn't try to RUU cus I read it would brick..but seems I'm somewhat bricked anyway:silly:

sensei_777 said:
No I'm still s-on I didn't try to RUU cus I read it would brick..but seems I'm somewhat bricked anyway:silly:
Click to expand...
Click to collapse
are you sure you did get the SUPER CID cause if its not then you can RUU your device!
cause if you are not SUPERCID get a matching RUU or a latest version meant for your device!
only if you could somehow manage your phone to get recognized by a PC etc then you could flash boot.img with some toolkit etc and everything would have been fine!
but unless some expert actually figures out your problem dont RUU!
i really wonder whats obstructing the boot loader access!??
please let me know if u can get your device back to normal!

Sonone said:
are you sure you did get the SUPER CID cause if its not then you can RUU your device!
cause if you are not SUPERCID get a matching RUU or a latest version meant for your device!
only if you could somehow manage your phone to get recognized by a PC etc then you could flash boot.img with some toolkit etc and everything would have been fine!
but unless some expert actually figures out your problem dont RUU!
i really wonder whats obstructing the boot loader access!??
please let me know if u can get your device back to normal!
Click to expand...
Click to collapse
I had to change the CID to unlock the bootloader on htc dev, its like 11111 so that is super CID right?
Yea I've tried everything to get to adb since I am familiar with adb but its a no go none of the tool kits or even manual cmd is recognizing the device.. I had a one x just like this before and never had the problem getting into bootloader so I don't really get what is blocking it. Only thing I had done was flash twrp recovery, wiped data/factory reset, system and cache, then flashed the rom as one usually would and gapps, just I had forgot about these phones needing you to flash the boot.img. that is all I did to it. Kinda sucks I just got this thing yesterday from a friend too.

Yes, 11111111 is SuperCID. In any case I probably wouldn't attempt an RUU while the phone is this unstable, could be quite dangerous. It's possible the "adb reboot bootloader" command might work if you catch it at the right time in the boot cycle.
Sent from my Evita

timmaaa said:
Yes, 11111111 is SuperCID. In any case I probably wouldn't attempt an RUU while the phone is this unstable, could be quite dangerous. It's possible the "adb reboot bootloader" command might work if you catch it at the right time in the boot cycle.
Sent from my Evita
Click to expand...
Click to collapse
Thanks bud, well I can't get it to catch even using super finger speed cmd'ing lol.. oh well.. I'm not gonna try anything else other than the usual ways to get into bootloader until someone else has some idea what might be blocking it from entering. Is there anyway to turn it off? its just restarting over and over with the bootloop. Or does one just let it go dead? I suppose worse case senario sending it for Jtag would fix it right? thanks again to the both of you.

I believe in the command window your can press the down key to give the previous command again, so if you hit down and enter one after the other (spamming it) you might have a chance. I'm really surprised that continually holding volume down during the loop process isn't getting you to bootloader, that's very strange. There's no way to turn it off. But, it usually burns through a fair bit of battery during a boot loop so you could wait for it to die completely, charge it for a couple of hours, and then try the volume down + power combination to get to the bootloader. I hope it works, let us know how you go.
Sent from my Evita

timmaaa said:
I believe in the command window your can press the down key to give the previous command again, so if you hit down and enter one after the other (spamming it) you might have a chance. I'm really surprised that continually holding volume down during the loop process isn't getting you to bootloader, that's very strange. There's no way to turn it off. But, it usually burns through a fair bit of battery during a boot loop so you could wait for it to die completely, charge it for a couple of hours, and then try the volume down + power combination to get to the bootloader. I hope it works, let us know how you go.
Sent from my Evita
Click to expand...
Click to collapse
Yes well on my laptop its the up key that's what I was doing was spamming, you can hear the connected device sound on then off, but it just doesn't see it. I will let you all know once its working again and what I did or had to do to get it back so that it may possibly help others that run into the same issue. If not I suppose I'll try to get it Jtagged, too nice of a phone to use as a paperweight really

Yeah sorry, I knew it was one of the arrow keys, kinda took a stab in the dark at that one :sly:
Sent from my Evita

Hold down the power button until the phone turns off. You'll see the buttons flash. This simulates a battery pull. Then wait a few secs then hold vol down and press power button for 2 secs while still holding vol down. Wait for bootloader
Sent from my VENOMized HoxL

You should hold volume down while holding power. Holding power alone just initiates a reboot, not a power down, so if you're not holding volume down at the same time when the reboot kicks in it'll just reboot as normal.
Sent from my Evita

timmaaa said:
You should hold volume down while holding power. Holding power alone just initiates a reboot, not a power down, so if you're not holding volume down at the same time when the reboot kicks in it'll just reboot as normal.
Sent from my Evita
Click to expand...
Click to collapse
Nothing is working guys :/ full Battery drain and everything it just keeps looping no matter what I do it will not go in bootloader :crying: thanks for trying to help

If you are trying while the phone is plugged into power it will not work.
The method I use is to hold power until the screen shuts off then I let go of power and hold volume down until the bootloader comes up.
Sent from my One Xl using xda app-developers app

exad said:
If you are trying while the phone is plugged into power it will not work.
The method I use is to hold power until the screen shuts off then I let go of power and hold volume down until the bootloader comes up.
Sent from my One Xl using xda app-developer app
Click to expand...
Click to collapse
Yes I don't have power plugged in, I've never had a problem like this. . I also don't even have to turn off the screen everytime it loops it goes off for a good 20 seconds or more. But I did try what you all said too and it seems there is not even an effect at all it just loops
YAY!! I was messing around and held volume up and volume down with power, and it put the phone into some kind of off/sleep mode, then it recognized the device in windows device manager and said device cannot start, so I tried uninstalling the driver and then refreshed to let it reinstall them and during the reinstall i tried running the adb command and it let me back into bootloader! woo! that was lucky.. hopefully this can be helpful to others that get stuck like that. I'm worried now though i have bootloader sitting pretty what should I do first? I'm scared to loop again thanks all.

sensei_777 said:
Yes I don't have power plugged in, I've never had a problem like this. . I also don't even have to turn off the screen everytime it loops it goes off for a good 20 seconds or more. But I did try what you all said too and it seems there is not even an effect at all it just loops
YAY!! I was messing around and held volume up and volume down with power, and it put the phone into some kind of off/sleep mode, then it recognized the device in windows device manager and said device cannot start, so I tried uninstalling the driver and then refreshed to let it reinstall them and during the reinstall i tried running the adb command and it let me back into bootloader! woo! that was lucky.. hopefully this can be helpful to others that get stuck like that. I'm worried now though i have bootloader sitting pretty what should I do first? I'm scared to loop again thanks all.
Click to expand...
Click to collapse
Just flashed the boot.img good to go now thanks for the advice everyone

[Q] HTC one m8 hardbricked can't access any thing

I bricked my htc one m8. Dont even know how, all i had was cyanogenmod 11 installed and it and my phone just boots into black screen after initial splash screen. I can get the charging indicator to show at low or full battery and i get vibration feedback when i hard reboot. I cant get into recovery or bootloader and my computer doesn't recognize it. What do!!

piisceiss said:
I bricked my htc one m8. Dont even know how, all i had was cyanogenmod 11 installed and it and my phone just boots into black screen after initial splash screen. I can get the charging indicator to show at low or full battery and i get vibration feedback when i hard reboot. I cant get into recovery or bootloader and my computer doesn't recognize it. What do!!
Click to expand...
Click to collapse
if your phone boots into a black screen its not hardbricked, hardbricked means it wont turn on at all and you have no indicators

piisceiss said:
I bricked my htc one m8. Dont even know how, all i had was cyanogenmod 11 installed and it and my phone just boots into black screen after initial splash screen. I can get the charging indicator to show at low or full battery and i get vibration feedback when i hard reboot. I cant get into recovery or bootloader and my computer doesn't recognize it. What do!!
Click to expand...
Click to collapse
Does ADB recognize the device?

piisceiss said:
I bricked my htc one m8. Dont even know how, all i had was cyanogenmod 11 installed and it and my phone just boots into black screen after initial splash screen. I can get the charging indicator to show at low or full battery and i get vibration feedback when i hard reboot. I cant get into recovery or bootloader and my computer doesn't recognize it. What do!!
Click to expand...
Click to collapse
Unplug your phone and hold volume up and power for 30
seconds. Do not have it plugged in while doing this.

Bierce22 said:
if your phone boots into a black screen its not hardbricked, hardbricked means it wont turn on at all and you have no indicators
Click to expand...
Click to collapse
Ok so thats good to know

DizDroid said:
Does ADB recognize the device?
Click to expand...
Click to collapse
No but i could be doing aomething wrong. Ill give it another go

piisceiss said:
No but i could be doing aomething wrong. Ill give it another go
Click to expand...
Click to collapse
You may need to uncheck usb debugging in developer options then reboot and go in and check usb debugging again then try adb tools using adb devices and see if it works then. Some m8's can be a real pain that way you just need to keep trying.

M9guy said:
You may need to uncheck usb debugging in developer options then reboot and go in and check usb debugging again then try adb tools using adb devices and see if it works then. Some m8's can be a real pain that way you just need to keep trying.
Click to expand...
Click to collapse
I cant boot into the os, it only goes to a black screen. It still vibrates though when i try doing any form of reset

piisceiss said:
I cant boot into the os, it only goes to a black screen. It still vibrates though when i try doing any form of reset
Click to expand...
Click to collapse
I would run the newest ruu that dottat has posted in the android development section for this phone, put it on your sd card using your computer, then put it back in your phone and boot to fastboot and let it pick it up and hit I believe it is yes and it will restore your phone. You are on 4.4.4 right ? If you are having problems getting to fastboot hold power and volume up until you see the lights change and or it vibrate then quickly switch to power and volume down and it should take you to fastboot, it may take you multiple tries to get it there. This sounds like the screen of death issues people have had on viperone which the fix for that so far has been to reverse the 4g handoff fix as most people that have the sod they had used the 4g handoff fix but if you cant get past the black screen then you cant do the fix for that. Have you tried leaving your phone sit for a while to see if it comes out of it ? Also most people only had that issue in weak signal areas so a good signal area could get your screen working again if you had done the 4g handoff fix. If you did some have said that the change can stick even through a ruu, but I cannot verify that either way.

Can I say I'm having an almost same problem.
I wiped my phone in prep of loading a new rom.
RUU the firmware for 4.4.4
Loaded twrp
and then it rebooted to the htc screen.
Now I can't get past that screen. I can hard reboot but it only comes back to that screen. and if I try to access it through the computer it can't load the driver so that I can sideload.
Help please

rcbarrieault said:
Can I say I'm having an almost same problem.
I wiped my phone in prep of loading a new rom.
RUU the firmware for 4.4.4
Loaded twrp
and then it rebooted to the htc screen.
Now I can't get past that screen. I can hard reboot but it only comes back to that screen. and if I try to access it through the computer it can't load the driver so that I can sideload.
Help please
Click to expand...
Click to collapse
it's tricky to get it back to hboot... but you can with practice. Hold power a both volume buttons until you think it finally has rebooted. Switch to only holding vol down to enter hboot. Timing and practice makes perfect.

It took about an hour of trying. But I did it. Plus I had to do a few other things to get things remounted.

rcbarrieault said:
It took about an hour of trying. But I did it. Plus I had to do a few other things to get things remounted.
Click to expand...
Click to collapse
I will have to try this. What other things did you do?

Once I was back in recovery I reformatted before rebooting and then from recovery I installed the rom.

dottat said:
it's tricky to get it back to hboot... but you can with practice. Hold power a both volume buttons until you think it finally has rebooted. Switch to only holding vol down to enter hboot. Timing and practice makes perfect.
Click to expand...
Click to collapse
I did this and we're all fixed, thank you for all the replies

dottat said:
it's tricky to get it back to hboot... but you can with practice. Hold power a both volume buttons until you think it finally has rebooted. Switch to only holding vol down to enter hboot. Timing and practice makes perfect.
Click to expand...
Click to collapse
I agree with Dottat, faced the same issue when trying to flash ARHD 22.1 on my Verizon M8. I think I sprayed some **** in my pants with that loud fart .
After trying several times I got the trick and could get into Hboot. The issue I think was I was holding Power + Volume up & down for more than required time and it Rebooted. We need to Switch Off the device by Holding Power + Volume UP & Down button for about 8-10 secs and then just remove the finger from Volume UP button. It takes you to Hboot mode..