ONE M8 wont power on and wont charge. - One (M8) Q&A, Help & Troubleshooting

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All i can get is this screen. It doesn't boot or charge only this. I tried power+volume up, volume down etc. still did not work. Also i tried other charges.
All I can manage to enter is that white backgrounded screen then i tried to enter the recovery and again i get that screen.

I plugged to PC and i hold power, vol up vol down etc. i just hold randomly. And I got windows connected sound. All the alphabet came through as disks.
These are the not empty ones:
After that I hold the power button I got these:
Than it returned back to the image in the first post.

I still can see the htc splash screen after 2 seconds first image in the first post.
And also sometimes i am managing to connect it to PC. QHSUSB_BULK is the device name

royalchild said:
I tried power+volume up, volume down etc. still did not work.
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Did you try holding power+vol up for a minute or more?

redpoint73 said:
Did you try holding power+vol up for a minute or more?
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Actually I tried all those stuff. Now the only thing that I can get is boot screen. I can enter the fastboot but i have no idea what to do with. And also when i enter fastboot my Windows 10 can see My Htc name under the device manager.

royalchild said:
Actually I tried all those stuff. Now the only thing that I can get is boot screen. I can enter the fastboot but i have no idea what to do with. And also when i enter fastboot my Windows 10 can see My Htc name under the device manager.
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This is all a good thing, and points to your phone being recoverable.
From what you've posted, its sounds like YES power + vol up works (this function forces a reboot) and power + vol down get you into bootloader. So the phone powers on; the main issue is not booting into Android OS.
To determine the path forward, we'll need more info. Please do fastboot getvar all, and post the output (delete IMEI and serial number before posting).

Related

Need help, phone doesn't turn on

My phone is HTC One M8s 16GB. After installing ROM my phone doesn't work anymore. Tryed pressing Power button + Volume Down nothing, Power button + Volume Up it goes back to the same logo, but if it is disconnnected from phone charger it shows blackscreen.
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(lightning bolt is yellow)
Try holding power + vol up for a minute or more, and see if it forces a reboot.
Do you ever see the HTC logo screen, or bootloader screen?
redpoint73 said:
Try holding power + vol up for a minute or more, and see if it forces a reboot.
Do you ever see the HTC logo screen, or bootloader screen?
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No, after ~10sec of holding power + volume up it goes to same screen. Should I disconnect from charning my phone?
Whooops1 said:
No, after ~10sec of holding power + volume up it goes to same screen. Should I disconnect from charning my phone?
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Yes, try disconnecting charger and holding power+vol up, and note if it reboots, what screens appear (HTC logo, bootloader) etc.
redpoint73 said:
Yes, try disconnecting charger and holding power+vol up, and note if it reboots, what screens appear (HTC logo, bootloader) etc.
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Thank you sir, everything booted nicely. Again thank you.
redpoint73 said:
Yes, try disconnecting charger and holding power+vol up, and note if it reboots, what screens appear (HTC logo, bootloader) etc.
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Phone boots normaly but I can't do factory reset. It freezes at HTC logo
Whooops1 said:
Phone boots normaly but I can't do factory reset. It freezes at HTC logo
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How are you trying to factory reset, in OS or in TWRP?
Tryed in OS and in bootloader
Whooops1 said:
Tryed in OS and in bootloader
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Try in TWRP. Although I'm curious why (for what purpose) you're trying to wipe, which you should have done before flashing the ROM.

Trouble getting identifier tokens for bootloader unlock

Hi,
I was trying to unlock bootloader of my HTC Desire 826(Dual sim) but can't get the identifier tokens {Can't find dedicated 826 section, so posted here. New guy, pardon}
I was unable to have my phone detected in fastboot, tried manually installing drivers in Windows device manager and used "Universal AdB drivers" from CWM, installed HTC android interface. Now I can get result in "fastboot devices" command.
However, "fastboot oem get_identifier_token" takes too long and gives an error "Status read failed (too many links)
Please help.
1. Use this driver: http://htcusbdriver.com/download/htc-usb-driver-v4-17-0-001
2. Go to http://www.htcdev.com/bootloader/ , Signup, then click bootloader unlock then select your device and follow the instructions
3. After powering down your phone, press Volume Down and Power button at the same time, you will boot into HBOOT
(HBOOT menu will look like this)
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4. Use the Volume buttons to select up or down. Highlight Fastboot and press the Power button.
5. Connect the device to the computer via a usb cable
(After connecting USB, The menu will say 'FASTBOOT USB' like this)
6. Now follow the instructions from HTCDev
Let us know, if you run into any trouble
Can't get into fastboot mode Via HBOOT menu
nazmul0046 said:
1. Use this driver: http://htcusbdriver.com/download/htc-usb-driver-v4-17-0-001
2. Go to http://www.htcdev.com/bootloader/ , Signup, then click bootloader unlock then select your device and follow the instructions
3. After powering down your phone, press Volume Down and Power button at the same time, you will boot into HBOOT
(HBOOT menu will look like this)
4. Use the Volume buttons to select up or down. Highlight Fastboot and press the Power button.
5. Connect the device to the computer via a usb cable
(After connecting USB, The menu will say 'FASTBOOT USB' like this)
6. Now follow the instructions from HTCDev
Let us know, if you run into any trouble
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Click to collapse
The HBOOT menu looks like that but on pressing power button it just goes all blank white, pressing the powe button again gets me back to the original HBOOT menu with nothing happening,
x0000x said:
The HBOOT menu looks like that but on pressing power button it just goes all blank white, pressing the powe button again gets me back to the original HBOOT menu with nothing happening,
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in that case, flash a proper official RUU for your phone. I hope, that will solve your problem

Recovery is not Seandroid Enforcing and loop - no button can me pressed. please help!

please helppp meeee. the tablet has no removeble battery. it is in loop and i cant shut down and i cant put in download mode
Galaxy Note 10 (SM-P605) with qualcomm. I downloaded this twrp-3.1.1-0-lt03ltexx.img from here https://twrp.me/samsung/samsunggalax...12014qcom.html.
odin gave pass ok and flashed it. now it is in loop and no button work. Battery can'0t be removed as it is inside the tablet. how can i solve - please help meeeeeeeeeeeeeeeeeeee
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Thanks in advance
You should still be able to get into Recovery or Fastboot mode. When it's bootlooping, just keep Vol+ or Vol- pressed. No need to press home button on the Note. Preferably you have TWRP installed, i don't know whether the Fastboot or Samsung recovery menu offer power-off as first solution.
When my Galaxy S5 froze last time, i was unable to perform a cold boot or shutdown, but these two keys worked, and you had to keep vol and menu pressed and to release power button when the boot screen comes up. Probably i just repeatedly failed on the cold boot/powerdown, though there was one key less to keep down. One the Note this would mean to keep just power pressed for around 10 seconds.
Help me to solve the problem
lecorbusier said:
You should still be able to get into Recovery or Fastboot mode. When it's bootlooping, just keep Vol+ or Vol- pressed. No need to press home button on the Note. Preferably you have TWRP installed, i don't know whether the Fastboot or Samsung recovery menu offer power-off as first solution.
When my Galaxy S5 froze last time, i was unable to perform a cold boot or shutdown, but these two keys worked, and you had to keep vol and menu pressed and to release power button when the boot screen comes up. Probably i just repeatedly failed on the cold boot/powerdown, though there was one key less to keep down. One the Note this would mean to keep just power pressed for around 10 seconds.
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I have exactly the same tablet. I tried to install the twrp (no errors) through ODIN. After the installation of the Super Su I have seen that many services started to stop and the tablet was almost completely blocked. I removed Super Su (from the app) and when I restarted the tablet the nightmare has started too.
I read some advices regarding remove the battery (on other samsung smartphones) but this is a tablet so any help is appreciated.
Any idea? Even if I manage to have the screen with "a custom os can cause critical problems"..... if I try to push the volume + the loop starts againg
Hope someone can give me an answer
Unbrick by flashing stock rom via Kies or Odin, then TWRP via Odin, then Magisk via TWRP.

Fastboot / Bootloader doesn't exist..?

Hello,
I've tried researching this issue but nobody seems to have the same issue that I do.
Background: I've had my Pixel C with the stock OS (Android 8.1.0) and everything else stock. It is not rooted, and the bootloader is not unlocked as far as I know. I bought it on eBay like 4 years ago. Never had an issue with anything. I have connected it with multiple USB A to C cables (to rule cables out) on multiple Windows computers (to rule out specific computer issue) that I've used with ADB on my OnePlus 7 Pro before, so all the platform tools should be good (ruled out that the platform tools were the issue).
Issue: I cannot boot this thing into fastboot mode. I can connect it to adb and get it listed in adb devices just fine. I set it to always trust the computer. I try issuing a "adb reboot bootloader" and the Pixel C screen shuts off like I would expect. The screen goes black, then...nothing. The rainbow lights on the back light up as though it's powered on, but nothing ever happens.
Troubleshooting:
So far, I've tried turning off the device completely, then powering it up while holding down the volume- button. This gets me the same black screen with the rainbow lights turned on.
I've tried holding volume- & volume+ while booting, and that gets me into Safe Mode (whatever that is). I've tried volume+ and power, which doesn't seem to do anything at all.
I checked device manager, and the device gets detected when it is in OS, but when I issue it the adb reboot bootloader command, and get the black screen, NOTHING shows up in device manager. No "other device" or "unknown device" or "android device" anything. In fact, listening for Windows audio alerts, I hear the device disconnect when it reboots, then I never hear it reconnect.
At some point after boot cycling it multiple times, it came up saying "The device is having trouble booting, you can click try again or you can try reformatting." It looked like the stock recovery, but not fastboot or anything. Haven't gotten that to show up again. I did go through with the device wipe.
If anybody has ANY ideas for how to get this thing booted into fastboot, please send them my way. It would absolutely make my week
EDIT:
Just tried this and am getting somewhere hopefully...
I did "adb reboot recovery" and it gave me the dead Android screen. Did Power & Volume+ and got the menu opened. Was able to get an adb sideload working and I sideloaded the latest OTA. Here is the logs shown on screen:
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Pixel 3XL Black Screen - Still show in adb and have vibration

Google release Android 12 Dev Preview and i decide to sideload that on my 3xl device (It not my daily use device so it fine for me)
1) I connect the phone, use adb reboot recovery in ota intrucstion and the screen gone black
2) It not show in adb, not show anything in the screen. I use Power + Vol Down for a while, then it show on adb devices with Window add device sound
Current State: + Black screen
+ Have vibration
+ Receive charging and show on adb, i use some adb command to check and it have 100% battery
Case i think happen:
+ No battery, no boot up : I tried use adb command and it in 100%
+ Screen die, error (Hardware): I dont think that happen because it working fine for me and i not did any damage to it, just reboot it to recovery. I tried a type-c to hdmi and connect it to my monitor but it
not render anything
+ Some firmware problems: I not flash anything yet, just boot it to recovery so i dont think this case happen, i tried some method like hold power, hold power + vol down but not work
It really weird things for me, it is the first time i see a device working normally just gone to black screen by boot to recovery, non respond in screen (squeeze gesture and fingerprint still give vibration), not ringing by call.
Some note may useful: I tried hold power + vol down, then hold vol + while still hold these two button, some kind of strong vibration happen then everything still the same
I really looking forward to people have the same problems and solved it!
Surfaceflinger might have been corrupted, so the only thing you can do now is try to guess the key combination for bootloader, or just use adb to boot into bootloader mode. Then flash the latest factory image. That will hopefully fix it.
My device not have oem unlock option, so seem like enter bootloader to flash image is not possible
But i have some update, i used a tool https://github.com/Genymobile/scrcpy and i show my display
to my computer
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I try to touch on screen, use button, ... and everything seem like work. Only the display not display anything, just the black screen. At this point, i think it because of hardware problems - sound like so weird because i just run the device to recovery by adb

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