Sony Xperia XZ Premium won't turn on. PLEASE HELP! - Sony Xperia XZ Premium Questions & Answers

My Sony Xperia XZ Premium suddenly dead and it won't turn on again. I tried to press power button and volume down or up and nothing happened. I'm connecting to my pc and it's said qhsusb_bulk. I tried to change to qualcomm hs-usb qdloader 9008 and succeed. But when i tried to flash firmware via flashtool it's failed because when i press volume down button nothing happen. Can anybody help me please? Thank you.
Sorry for my bad english.

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My Xperia L Is NOT Booting

Hi! I need help.yesterday closed the mobile after charging and now will not open. The Seus does not recognize it. When I press the two volume buttons computer displays qualcomm hs-usb qdloader 9008. What to do? (bootloader unlocked)
Mitsos_The_Great said:
Hi! I need help.yesterday closed the mobile after charging and now will not open. The Seus does not recognize it. When I press the two volume buttons computer displays qualcomm hs-usb qdloader 9008. What to do? (bootloader unlocked)
Click to expand...
Click to collapse
Just press volume down button
Sent from my Xperia L
Nothing. This is hard brick. Any ideas?
Mitsos_The_Great said:
Nothing. This is hard brick. Any ideas?
Click to expand...
Click to collapse
See if it's detected by FlashTool or repair it by sony pc company following the instructions.
I tried it. Mobile dead and the computer does not recognize it
Same with me
Mitsos_The_Great said:
Hi! I need help.yesterday closed the mobile after charging and now will not open. The Seus does not recognize it. When I press the two volume buttons computer displays qualcomm hs-usb qdloader 9008. What to do? (bootloader unlocked)
Click to expand...
Click to collapse
What have you done???
your case is same with me. Can't boot, can't charging, can't boot into flah or fastboot mode.
So here the solution. Take that to service center

Swapper 2 bricked my Relay!

I installed it and rebooted my Samsung Relay and the screen went black. I pressed the power button and nothing happened.
The phone is now officially a paperweight. Also I had root privileges.
Can you help me please, I do not know what to do?:crying:
CIAWA
That app hasn't been updated since 2010. Wow.
Sent from my SGH-T699 using Tapatalk
Have you done a battery pull?
DOMF said:
Have you done a battery pull?
Click to expand...
Click to collapse
yes, I tried the battery pull without success.
if I try the shortcut keys + power button doesn't start.
without battery, the LED turns red.
if I connect it to the pc windows 7 tries to install a drive with no success.
I would like to buy a "Module USB JIG" to start it in download mode smartphone but for the Relay doesn't exist.
Please can you solve this problem?
P.S.
Sorry for my bad english
if I connect to the PC, without battery, I recognize it as "QHSUSB_DLOAD"
In "Devices and Printers" window "Qualcomm HS-USB QDLoader 9008 (COM8)"
I purchased a USB JIG Module, Monday I should get.
Has anyone experienced a similar situation?
for posterity: USB JIG.. fail
CIAWA

Help please

After i flash custom rom jelly bean mini project from here to my phone miro,
my phone always restart. then i format phone memory from setting and restart the phone.
and my miro is dead. no led no charging,everything isn't work.
when i connect to pc, my pc detect driver as Qualcomm HS- USB QDLoader 9008. Pc companion not detected the phone, and flashtool too.
how to solve this?
anybody help?
i try several tips from this site and google search, but still unlucky

[Q] Xperia miro bricked

Hello all,
I have Xperia miro, yesterday it was good and I turned it off but today it doesn't turn on anymore. When I plug usb cable, my pc (windows 8.1) recognized as "Qualcomm HS-USB Qdloader 9008 (COM8)" in Device Manager. I downloaded Flashtool, press and hold Volume(-) while plugging in PC but Flashtool didn't recognize the device. I also downloaded QPST, this software recognized it "*Download*" mode.
What should I do? Can you please give me some recommendations?
Thank you alot!
Did u installed the flashtool drivers ?
Sent from my C1505 using XDA Premium 4 mobile app
BorisC said:
Hello all,
I have Xperia miro, yesterday it was good and I turned it off but today it doesn't turn on anymore. When I plug usb cable, my pc (windows 8.1) recognized as "Qualcomm HS-USB Qdloader 9008 (COM8)" in Device Manager. I downloaded Flashtool, press and hold Volume(-) while plugging in PC but Flashtool didn't recognize the device. I also downloaded QPST, this software recognized it "*Download*" mode.
What should I do? Can you please give me some recommendations?
Thank you alot!
Click to expand...
Click to collapse
http://forum.xda-developers.com/xperia-u/issues/guide-how-to-install-fastboot-xperia-t2170114
Refer to the above link and install fastboot drivers.
Do the whole procedure again.. it will work
did u solved it?
i have Qualcomm HS-USB QDLoader 9008 too...

Xperia L c2105 flashed with wrong firmware from xperia m Hard bricked

I have an sony xperia c2105 (xperia L), yesterday i´ve tried to unlock bootloader, later unlock it, the phone begins to bootloop.... So i flashed a firmware, wrong one, from xperia m, cause i was thinking my phone was xperia m...
Since i flashed it my phone is detected as Qualcomm HS-USB QDLoader 9008 in all usb ports from my pc, i have installed the drivers, flashtool, everything... Flashtool is not detecting device. Leds from the phone, leds are off, pushing buttons or connecting the device to the pc... The phone is not responding on flashmode or fastboot, and flashtools is not detecting it, pc yes detects it, but as Qualcomm HS-USB QDLoader 9008 ... Screen is off, phone is hard bricked so well. Is death may i have some help?
Can you help me please??
Manuelpm said:
I have an sony xperia c2105 (xperia L), yesterday i´ve tried to unlock bootloader, later unlock it, the phone begins to bootloop.... So i flashed a firmware, wrong one, from xperia m, cause i was thinking my phone was xperia m...
Since i flashed it my phone is detected as Qualcomm HS-USB QDLoader 9008 in all usb ports from my pc, i have installed the drivers, flashtool, everything... Flashtool is not detecting device. Leds from the phone, leds are off, pushing buttons or connecting the device to the pc... The phone is not responding on flashmode or fastboot, and flashtools is not detecting it, pc yes detects it, but as Qualcomm HS-USB QDLoader 9008 ... Screen is off, phone is hard bricked so well. Is death may i have some help?
Can you help me please??
Click to expand...
Click to collapse
Hi just attach phone to pc ,install taoshan drivers ,fastboot ,flashmod drivers & flash firmware for xperia l ,done.
Sorry, posted because is hard bricked, when phone is hard bricked is supposed to be that flashmode or fastboot aren't working, same for vibration, not leds, no image etc.... This means hardbrick i mean. And my taoshan is totally hardbricked i already said, drivers installed phone appears as... 9008 in pc, wtf... How can i flash anything with my pc if i can't take phone in flashmode or fastboot? I need some help please guys my phone, i need help!!
This is the only truth about QLoader 9008 for sony xperia L
The only way for repair this phone appears in LG L70 with msm 8210, in this forum, using QFIL: https://translate.google.es/transla...k-lg-d325-stuck-on-mode-9008.html&prev=search
Tested in 2016 with zuk z2, 100% working, but the only way for this is possible for save a lot of xperias L, is attaching the files for us. When i used QPST for repair my hardbrick Zuk z2, downloaded em, was a method, for repair hardbrick; for xperia L this method not exists, are a lot of posts talking about: someone post the files, but... No one does... Okay, for 20€ you can buy a motherboard, but btw, this QPST or QFIL, save phones, not ours xperias L ofc, because no one helps...
Ah if your phone is giving some leds, or something in screen, this is not the QLoader 9008 issue, and you can save the phone with flashtool, if your phone doesnt give leds, nothing on screen (bootloop), or doesnt vibrate 3 times... You can dream with repair without paying... Everybody gives ROMS etc, but for hardbrick methods when programs are available, you can dream...
Not hard to see how this QFIL detects phone, you can install, open the program... And put the usb between the phone and the pc; you will see how this QFIL detects phone as QLOADER 9008 and you only need the things for flash, then you will save the phone; otherwise, you are only another one who losed this phone by this crap.
Best regards, now i have to go for buy new phone!! You people who know this methods are available for other phones and dont help... Maybe you have to go bed right now!!
Same with me,, mybe we need qdloader for MSM8230,, Next flash with Qfil
HerySastro said:
Same with me,, mybe we need qdloader for MSM8230,, Next flash with Qfil
Click to expand...
Click to collapse
Yes, i think same and all here is written seems right. But for Sony L with the MSM8230 chipset nothing is available so i dont have the right prog_emmc_firehose_8230.mbn file for QPST because it doesnt exist.
I need to know if i can repair the qdloader 9800 problem with a tool of many which exist for qualcomm chips. I spend already mor than 30 hours to read, search and try to fix the problem. First not, but now i am able to get it for 1-3 seconds in a green-yellow light even when i just connect the usb to charging cable. I extracted the firmware and used the TUT somewhere here. No .mbn is found in the 15.3.A.1.17 firmware in .ftf for flashtool. Flashtool connects my Sony L every 2 minutes for only 5 seconds as "unknown device". Thats all.
I need to know if Sony L 9800 problem could be solve by myself or not because now i spend every day hours many hours without solve it or know if possible?
Thanks for help and reply!
If post is not in the ideal thread the you can put it in the right one. i would appreciate it.
greeting

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