This guide is based on information found in leejames55 HBOOT loop thread and torxx tutorial, I just wanted to make thing clear, simple and consolidate all information in one place for non-dev users. So thanks to them and everyone who contributed.
After seeing alot of people having problem after flashing a rom, restoring RUU, re-locking bootloader, I've decided to make this guide in order to help everyone. If you follow this guide there's a good chance that you will manage to recover your phone
This is for people who have the following problem:
Cannot boot into ROM (e.g Stuck at the HTC Logo)
Re-locked bootloader while having a non-working ROM
Cannot flash RUU because battery is below 30% - IMPORTANT: You must flash the new version of ClockWorkMod in order to be able to recharge the phone while off and from recovery
The most common problem is being stuck at the HTC Logo after flashing a ROM, try clearing the fastboot cache with these steps:
Power off your phone and hold the power button + volume down
Choose fastboot from bootloader
Connect the phone to your computer
On computer type:
fastboot erase cache
Choose "Reboot" in fastboot menu
If this doesn't work, try the rest of the guide
If you cannot flash RUU, go into recovery etc. because battery is below 30%
IMPORTANT: You must flash the new version of ClockWorkMod in order to be able to recharge the phone while off and from recovery. So, flash the new recovery and this problem will NOT happen.
Originally Posted by ckpv5
I don't think he can do that as more and more people have this problem as stated on OP:
Cannot flash RUU because battery is below 30%
But there is no explanation on how to to solve the problem. All the suggestions are good only when you have at least 20% battery.
So here I want to share on how I solve my problem to get the battery up to at least 20% so that you can fastboot flash anything, but to run RUU you need to have more than 30%. This works for me and hopefully it will work for others too.
Instead of plug in and plug out the usb cable to and from your phone when connected to PC (which actually not working for me), what I did was :
1) connect the phone to PC, your phone will boot into bootloader with red light flashing on and off or all the way red or no light at all.
2) use the vol button to scroll to power down and press power to off.
3) if the phone boot again to bootloader, repeat (2)
4) if the phone not booting, press the power button to on the phone, it will boot to bootloader again. Try the fastboot flash ** (whatever you want to do, either flash unlock.bin to unlock bootloader to flash CWM recovery or relock bootloader and flash stock recovery). If it fails due to low battery, repeat again (2) then (3) and (4). I did this less than ten times to have fastboot flash working.
What I notice is whenever we press power on, it will go to splash screen but unable to pass the bootanimation due to lack of battery, it will go back to bootloader. In the process, the battery get charging but stop when we are in bootloader. So restart again & again (power down in bootloader & power on again) will charge the battery until you have enough juice for fastboot flash.
Note: item (4), I did the fastboot flash ** before power on, it will say "waiting for device", once the phone is on and in fastboot mode, the command will runs. So once the battery reach about 20%, it will runs succesfully.
Originally Posted by wolfraim
Well, i discover it because i brick my phone haha now i share it to you.
IF YOU HAVE ANY UNSIGNED RECOVERY:
1.- GO TO RECOVERY
2.- FORMAT SYSTEM
3.- RESTART NORMALLY
4.- YOUR PHONE WILL STOPS IN "HTC QUIETLY BRILLIANT" SCREEN
5.- PUT YOUR PHONE TO CHARGE (no light notification appears)
6.- LET IT CHARGE FOR A COUPLE HOURS (i put mine to charge for a complete night)
7.- Now restore your RUU, Flash, etc...
IF YOU HAVE SIGNED RECOVERY:
1.- GO TO FASTBOOT
2.- HIT "SHUT DOWN"
3.- WITH THE POWER OFF PUT IT TO CHARGE
4.- RED LIGHT NOTIFICATION SHOWS THE CHARGING PROGRESS.
5.- NEXT DAY YOU WILL SEE A SOLID GREEN LIGHT NOTIFICATIONS FOR A COMPLETE CHARGE.
PD: Sorry for ortography, im from Chile, my native speaking is spanish but i want to share my knowledge with XDA COMMUNITY !
C:\Android>fastboot flash system system.img
sending 'system' (960424 KB)... FAILED (remote: (00000006))
finished. total time: 0.016s
Any Help would by nice.
My cid "None"
I have no backups on phone
No files on phone.
ruu will not run error
Iv been all over the forums and tried many ruu`s
I think i have a brick
more info.. Was t-mobile branded but i flashed custom rom, then tried to update (epic fail) i the went back into recovery and was no files on phone sd.
i have tried with locked bootloader and unlocked bootloader with stock recovery and CWM recovery, i think iv tried all..
i`v just found a ruu_endeavor for t_mobile uk 126.96.36.199 i will give that ago when it downloads in about 1hr haha
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