Sony Z3 D6603 - Blackscreen - Xperia Z3 Q&A, Help & Troubleshooting

I was with my z3 in twrp and clicked on " Restart Bootloader". After that my screen went black and i cant use it anymore. I tried all methods of getting my Z3 restarted to boot again. Even if I plug my device to a charger my LED isnt lighting up. The only thing that i found out is: If I press long time at VOL- while pluged in USB cable on PC it dected a "Unknown Device". If i check the the Hardware ID of the device in that "mode" it says "device descriptor failure".
My restart methods:
- Pressed Power + VOL-
- Pressed the OFF button in Simtray
- Charged it a while to check if its "Sudden Death"
Can someone give me help ? Any solutions for that ?

If you haven't already, try to install the fastboot drivers for your device (just search for fastboot z3) and se if the PC detects it if you plug it in whilst holding vol+/vol-.
If so you can probably either try to restart it with a fastboot command (needs adb installed on your pc) or reflash stock (data gets wiped I think) with Flashtool.
Are you on unmodified stock or rooted?

try the rubber band method put four or maybe five rubberbands on the power button and the vol up button tightly for about 5-7 min after that remove the ruberband and then power on the device .This method worked for me when I wiped my system and rebooted I also had the same issue as you did .

Related

[Q] Nexus S not appearing in device manager in fastboot

I'm attempting to flash clockwork recovery and can't get the phone to respond to fastboot devices when in fastboot mode. I've tried everything I can find with regards to the drivers (pdanet, usbdeview, etc) and I can get google's and pdanet's drivers working fine with the phone booted normally (responds to adb devices). The problem seems to be that windows appears not to even notice that the phone is plugged in in fastboot mode and does not appear in the device manager, making the manual installation of drivers an impossibility.
Anyone know how to fix this?
stoo said:
I'm attempting to flash clockwork recovery and can't get the phone to respond to fastboot devices when in fastboot mode. I've tried everything I can find with regards to the drivers (pdanet, usbdeview, etc) and I can get google's and pdanet's drivers working fine with the phone booted normally (responds to adb devices). The problem seems to be that windows appears not to even notice that the phone is plugged in in fastboot mode and does not appear in the device manager, making the manual installation of drivers an impossibility.
Anyone know how to fix this?
Click to expand...
Click to collapse
in the main setting, application, developer settings.. is usb debugging enabled?
stoo said:
I'm attempting to flash clockwork recovery and can't get the phone to respond to fastboot devices when in fastboot mode. I've tried everything I can find with regards to the drivers (pdanet, usbdeview, etc) and I can get google's and pdanet's drivers working fine with the phone booted normally (responds to adb devices). The problem seems to be that windows appears not to even notice that the phone is plugged in in fastboot mode and does not appear in the device manager, making the manual installation of drivers an impossibility.
Anyone know how to fix this?
Click to expand...
Click to collapse
When I first set up ADB and Fastboot on my pc, I was getting a response when writing 'adb devices' in the console. However, 'fastboot devices' returned absolutely nothing.
Solution (with phone connected to pc and usb debugging cheched):
1-shut down the phone
2-press and hold Volume Up key + Power
3-once in bootloader interface, in the pc command prompt, type 'fastboot devices'.
Voila!
By the way, don't mount the phone as usb storage device.
Thanks for the responses guys but yes, USB debugging is enabled and yes, I've used that way to get to fastboot mode as well as adb reboot bootloader
Hi stoo
I have a same issue - did you managed to find solution for yours?
Cheers,
Wiktor
vstar said:
Hi stoo
I have a same issue - did you managed to find solution for yours?
Cheers,
Wiktor
Click to expand...
Click to collapse
easy way to set up fastboot
Any solution
Have the same problem: locked bootloader, not rooted 4.1.2. In ADB everything is ok, drivers ok (in device manager), can get it through "adb devices". But when I boot in fastboot (adb reboot bootloader), I hear the ti-da windows sound (usb unpluged - from adb session), but no ta-di when the phone re-boot in fastboot. No exclamation mark in device manager, nothing. The USB receive nothing when in fastboot. Is it possible that the fastboot image is corrupted? Can I reflash it? Or any other advice?
Thanks
EDIT - SOLVED - at least this step
The problem was the famous "broken power button"! I knew that I had problems with the power button (didn't work - that's why I try to flash a rom (4.2.1 or customized) with sleep tile in notification area).
I thought that the button is all the time OFF and don't switch to ON, but I finally understood that when when I boot in fastmode it freeze before installing device on the PC (I also had no volume up / down navigation in fastboot, a sign that it was frozen). So I ended to consider that the power button was permanently in ON position. I opened my phone and I measure the impedance on the power button. I had ~ 4ohms in off position of the button and 1.8 ohms (cheap multimetter.... probably should be almost 0) in on position. I measured also on volume switch where I had ~ infinite on off position, so I concluded that the button if blocked. I tried to see if I can resurrect it but no choice, so I took it off (unsoldered). I put the battery and the USB cable and boot it. From ADB I reboot it in fastboot and voila! The device popped in device manager! One problem solved! BUT...
I tried to use the Nexus Root Toolkit and it boots in fastmode and try to unlock the bootloader, but it asked me on phone screen if I agree for unlocking. I was able to use the volume to select Yes but I couldn't choose it with power! I had no option but to take the battery off. Starting from that point it was almost impossible to power it again. When I plugged the USB it shown the battery icon (charging). I tried every trick that I found on web, but nothing worked (even to fast plug / unplug many times the USB to overcharge it, but nothing). I was able only by pressing on the middle of volume (so Up and DOWN in the same time) and plus the USB to get to the screen of unlocking bootloader, but without the options YES/NO on the screen. Seems that it saves this state between boots, but why no option? Finally I was unable to boot at all, and it is like totally bricked
I thought that the power button is a simple switch ON / OFF, so I soldered 2 wires and I tried to touch them (short circuit) to simulate the ON, but nothing happened. Is it the button more complex that a simple switch? no ideea...
So now have a better phone than before (at least theoretically it should be able to fastboot), but it values zero because I can't power it on....
OK So I am in the exact same situation.
Nexus S, Broken power button, adb can see the device, fastboot cannot. fastboot cannot be navigated with the volume keys.
I also want to put an other rom onto it, but firstly I want to put TWRP recovery on it, as it supports touch, CW needs the power
button which like mentioned does not work.
I would rather not unsolder my power button to get into fastboot, any suggestions on how that might still be achieved?
thx
catalinu said:
Have the same problem: locked bootloader, not rooted 4.1.2. In ADB everything is ok, drivers ok (in device manager), can get it through "adb devices". But when I boot in fastboot (adb reboot bootloader), I hear the ti-da windows sound (usb unpluged - from adb session), but no ta-di when the phone re-boot in fastboot. No exclamation mark in device manager, nothing. The USB receive nothing when in fastboot. Is it possible that the fastboot image is corrupted? Can I reflash it? Or any other advice?
Thanks
EDIT - SOLVED - at least this step
The problem was the famous "broken power button"! I knew that I had problems with the power button (didn't work - that's why I try to flash a rom (4.2.1 or customized) with sleep tile in notification area).
I thought that the button is all the time OFF and don't switch to ON, but I finally understood that when when I boot in fastmode it freeze before installing device on the PC (I also had no volume up / down navigation in fastboot, a sign that it was frozen). So I ended to consider that the power button was permanently in ON position. I opened my phone and I measure the impedance on the power button. I had ~ 4ohms in off position of the button and 1.8 ohms (cheap multimetter.... probably should be almost 0) in on position. I measured also on volume switch where I had ~ infinite on off position, so I concluded that the button if blocked. I tried to see if I can resurrect it but no choice, so I took it off (unsoldered). I put the battery and the USB cable and boot it. From ADB I reboot it in fastboot and voila! The device popped in device manager! One problem solved! BUT...
I tried to use the Nexus Root Toolkit and it boots in fastmode and try to unlock the bootloader, but it asked me on phone screen if I agree for unlocking. I was able to use the volume to select Yes but I couldn't choose it with power! I had no option but to take the battery off. Starting from that point it was almost impossible to power it again. When I plugged the USB it shown the battery icon (charging). I tried every trick that I found on web, but nothing worked (even to fast plug / unplug many times the USB to overcharge it, but nothing). I was able only by pressing on the middle of volume (so Up and DOWN in the same time) and plus the USB to get to the screen of unlocking bootloader, but without the options YES/NO on the screen. Seems that it saves this state between boots, but why no option? Finally I was unable to boot at all, and it is like totally bricked
I thought that the power button is a simple switch ON / OFF, so I soldered 2 wires and I tried to touch them (short circuit) to simulate the ON, but nothing happened. Is it the button more complex that a simple switch? no ideea...
So now have a better phone than before (at least theoretically it should be able to fastboot), but it values zero because I can't power it on....
Click to expand...
Click to collapse
Yes, it should have been better for me to have also a possibility to enter in fastboot with the power button blocked in ON position, but I didn't find. And now I know no way how to power it up...
fastboot drivers
http://www.samsung.com/us/support/owners/product/GT-I9020PWAATT#
has anybody considered using this executable from samsung ..
from what i understood when installing it ,it only unzips the contents at programfiles/Samsung/drivers
then you can check this thread to install them spesifically http://forum.xda-developers.com/showthread.php?t=1901617
..In short.
Go to
"Device Manager"
find
"Android 1.0" or something like that (i had my device in fastboot/bootloader mode, dont know if it was necessary)
install drivers from the drivers directory and install
P.S. Mine is an ordinary 9023nexus s (slcd) though
be a bit more careful with nexus s4g

[Xperia M2][D2305] How to recover from bootloop after unlock bootloader

[Xperia M2][D2305][4.3] 18.0.A.1.30
XPERIA M2 Recovery from Brick and more...etc
u can only use this 2 item
Flash tool
http://www.flashtool.net/index.php
[Drivers] FlashTool Xperia Driver Pack (v1.5) [20140318]
http://forum.xda-developers.com/showthread.php?t=2635830
D2305_18.0.A.1.30_Global Generic by Sai Arkar
https://mega.co.nz/#!tc4G0Ahb!5MQuH17IY5OwBE50Mlb5SzHBE1G04UOyGz6q9YipoYI
1.Download and install Flashtool on your PC.
2.Download the firmware you need (from the list below) and move it into the directory C:/Flashtool/firmwares
3.Open Flashtool, click on the lightning symbol ("flash device"), select "Flashmode" and click on "OK"
4.Just select the name of what you downloaded and click on "Flash"
5.Wait for a window to pop up (it may take a few minutes, be patient)
6.Now everything is ready: turn off your phone
7.Push the volume-down button, keep pushing and connect to your PC
8.Once the flashing process has started, release the volume rocker as soon as possible
9.NEVER disconnect the USB cable until it's finished!!!
10.Turn on and enjoy!
IMPORTANT:
if you are using Windows 8 you will need to enable few things to allow driver installation
If you are a Windows 8.1 user, you must see this video
https://www.youtube.com/watch?v=NM1MN8QZhnk
Please contact us if there is anything we can do.
Twitter
https://twitter.com/kum4423
Phone will not switch on ...
Tried unlocking the boootloader following instructions from the Sony website,
after "sucessfully" unlocking the bootloader in flashboot mode the phone got stuck in a boot loop.
Eventually stopped the phone boot looping by pressing all the buttons at the same time, have now found out it is the two volume buttons and the power button, then the phone did not switch on at all, tried connecting and holding volume button etc, to USB but all that comes up in device manager is "unknown device" and the flash tool does not recognise it in any mode, found out that holding the power button down for five minutes reboots the phone. Then flashed with above firmware and ended up in another bootloop, holding the up volume and power button makes the phone vibrate once then three times, let go after one and then you can get into flashmode, this time I flashed the latest firmware from http://forum.xda-developers.com/showthread.php?t=2762296 and it worked.
fonephreak said:
Tried unlocking the boootloader following instructions from the Sony website,
after "sucessfully" unlocking the bootloader in flashboot mode the phone got stuck in a boot loop.
Eventually stopped the phone boot looping by pressing all the buttons at the same time, have now found out it is the two volume buttons and the power button, then the phone did not switch on at all, tried connecting and holding volume button etc, to USB but all that comes up in device manager is "unknown device" and the flash tool does not recognise it in any mode, found out that holding the power button down for five minutes reboots the phone. Then flashed with above firmware and ended up in another bootloop, holding the up volume and power button makes the phone vibrate once then three times, let go after one and then you can get into flashmode, this time I flashed the latest firmware from http://forum.xda-developers.com/showthread.php?t=2762296 and it worked.
Click to expand...
Click to collapse
tried connecting and holding volume button etc, to USB but all that comes up in device manager is "unknown device" and the flash tool does not recognise it in any mode, found out that holding the power button down for five minutes reboots the phone.
Click to expand...
Click to collapse
Did you read this? and tried it?
IMPORTANT:
if you are using Windows 8 you will need to enable few things to allow driver installation
If you are a Windows 8.1 user, you must see this video
https://www.youtube.com/watch?v=NM1MN8QZhnk
Then flashed with above firmware and ended up in another bootloop, holding the up volume and power button makes the phone vibrate once then three times, let go after one and then you can get into flashmode, this time I flashed the latest firmware from
Click to expand...
Click to collapse
u can only use this listed item
Flash tool
[Drivers] FlashTool Xperia Driver Pack (v1.5) [20140318]
D2305_18.0.A.1.30_Global Generic by Sai Arkar←This FTF file is most important
Help please?
Hi man, I need your help urgently... I tried flashing kernel image to my Xperia M2 D2303, but I got impatient as recovery mode wasn't coming on and I did in in fastboot mode instead. Now it's stuck on boot loop and the screen only flashes. I can't get it to connect to my computer either, my computer just doesn't recognize it anymore. So, I can't flash anything on to it to recover it now either, and I tried putting files into my SD card to restore from but those files won't show when I try to download from zip using Clockwork Mod. What should I do?
Update
I tried to flash a custom rom into it, but even though I remember turning USB debugging on, it seems it's off. And plus, the drivers link you gave don't include the Xperia m2 drivers.
It would not connect to Flash modehttp://dl-1.va.us.xda-developers.com/2/9/8/5/4/7/8/NewPicture002.jpg?key=xzdzp41r6BQtbbijWRPtQA&ts=1414307092
Could You please update link for :
"D2305_18.0.A.1.30_Global Generic by Sai Arkar"
can't download file, please help
Thank You

Sony Xperia Z3 HARD BRICKED

Hi. My device is hardbricked. I see no lights while charging. Flashtool doesn't see my device.how can i fix this?
Edit:Easily fixed it.I plugged my device into the computer.I entered platform-tools and flashed boot.img.I saw "waiting for device" And i pressed volume up and power buttons. Suddenly boot flashed and i recovered my phone
You are very unlikely to have hard bricked it unless you have unlocked the boot and flashed something wrong.
If you did this please help us help you by telling us what you did just before this happened.
Also, just leave the phone on charge (Wall charger) for 24 hours and then see what happens.
In the mean time read this
solution for no LEDs no response no fastboot devices.
Take two rubberbands one to hold down the power button and one to hold down the volume up button on Xperia Z3 dual. I spent a lot of time figuring this out. Alter a few minutes the phone just booted up from the dead. It worked for me 3 times. Now if someone can tell me how to fix the fastboot remote command not allowed error I'll be happy.
Fastboot remote command not allowed SOLVED
stevenmanzano said:
Take two rubberbands one to hold down the power button and one to hold down the volume up button on Xperia Z3 dual. I spent a lot of time figuring this out. Alter a few minutes the phone just booted up from the dead. It worked for me 3 times. Now if someone can tell me how to fix the fastboot remote command not allowed error I'll be happy.
Click to expand...
Click to collapse
Hello
I had the same problem with REMOTE COMMAND NOT ALLOWED till i managed to solve it.
1st thing you need to clean that ANDROID folder you made on C: drive.Install all from the begining including flashtool.Boot windows to install unsigned drivers.In the flash tool folder youll find the driver downloader,just enable usb debugging and choose Mass Storage not MTP .; You have 4 options usb debug on/off and usb connectivity MTP or Mas Storage ;with every version selected connect and disconnect from pc with flashtool running.
When you use Fastboot start the flashtool and close it if it cant kill ADB (that assuming you succeeded in installing drivers).
Good Luck
Please tell me D6603 testpoint
bgbgtbvan said:
Please tell me D6603 testpoint
Click to expand...
Click to collapse
you must read this
http://forum.xda-developers.com/showthread.php?t=2646405&page=54
john abruzzi said:
you must read this
http://forum.xda-developers.com/showthread.php?t=2646405&page=54
Click to expand...
Click to collapse
i have an xperia e3 d2212 stuck pon sony logo....bootloader is unlocked....i m able to enter fastboot so i flashed kernel.sin and system.sin after extracting from stock ftf but it didnt workwed...also,,i m not able to enter flash mode as the flash tool doesnt detects it in flashmode...but when i press power button and volume down the green led lights up...i have reinstalled flashtool many times and also reinstalled the drivers many times...any fix for this??
mihir762000 said:
i have an xperia e3 d2212 stuck pon sony logo....bootloader is unlocked....i m able to enter fastboot so i flashed kernel.sin and system.sin after extracting from stock ftf but it didnt workwed...also,,i m not able to enter flash mode as the flash tool doesnt detects it in flashmode...but when i press power button and volume down the green led lights up...i have reinstalled flashtool many times and also reinstalled the drivers many times...any fix for this??
Click to expand...
Click to collapse
Try a different driver package from another download source and use another usb on your pc.
Maybe it works. If your device can enter flash mode it definitely can be recovered.
Omario-242 said:
Try a different driver package from another download source and use another usb on your pc.
Maybe it works. If your device can enter flash mode it definitely can be recovered.
Click to expand...
Click to collapse
first of all my phone cant enter flashmode..(just the green light lits up)..secondly,,i have tried to reinstall drivers many times and i have tried to flash the system.sin and kernel.sin of 3 diffrent ftf rom for xperia e3 dual....is there any other solution..???
mihir762000 said:
first of all my phone cant enter flashmode..(just the green light lits up)..secondly,,i have tried to reinstall drivers many times and i have tried to flash the system.sin and kernel.sin of 3 diffrent ftf rom for xperia e3 dual....is there any other solution..???
Click to expand...
Click to collapse
The green led indicates flash mode so the problem is probably on your PC not detecting it properly. Does it show up in the system manager of windows if you plug it in at all? (Like a new device/android with a yellow triangle)
You could also try to fastboot a recovery and flashing a ROM from there. Not sure if it works but that's what I would try.
i m not even able to fastboot a recovery ...tried twrp and cwm both of them...
Me too
in my phone after charging 24h, only the red LED blinks, this is not normal any suggestions?
--------------edit
ok another week and still nothing
maybe I'll describe the problem:
I wanted to upload clean soft 5.1.1 and flash it
after the phone turned off it's start in recovery i used zip with SU and the phone turned off with no respond i try too reset (vol- + vol+ + power) but no reaction
there were no three vib
so I found that you have to reset the button under the sd flip
after this treatment you already know the charging of 3 days and only the red LED blinks
So any suggestions??
|
I‘m having the same problem, I can’t open my Xperia Z3. I tried with holding on/off button, holding volume up and on/off button, holding volume down and on/off button. When I connect it to PC, nothings happen. No vibrates, no led on, no screen on. What should I do?
ibo90p said:
I‘m having the same problem, I can’t open my Xperia Z3. I tried with holding on/off button, holding volume up and on/off button, holding volume down and on/off button. When I connect it to PC, nothings happen. No vibrates, no led on, no screen on. What should I do?
Click to expand...
Click to collapse
Like you I have a Xperia Z3 mines the 6633 variant.. Signs were showing it to be hard bricked, for example:
No led charge indication!
No power led!
No fastboot leds!
No USB detection sound when plugging into windows.
Literally a Z3 that was essentially a glass brick I bought off ebay for £6.50 GBP for spares/repair.
Since I had a bricked device, I had nothing to loose.
I applied heat to the rear glass with a hair drier & removed the panel, I removed the battery ribbon cable & plugged in via USB only to find the phone would show LEDs so put it on charge.
The Z3 now goes into flash mode, so then re-flashed a stock ROM from flashtool. I did a apps log & user data wipe, cust reset & fota reset.
To date I have no idea why the phone would not take a charge before or even detect via USB, though Id say give this method a go, you may be surprised!!
Good luck

Total brick after last night's OTA update

Received an OTA notification and installed. At last check, was at the "updating apps" stage. Went to bed. This morning, nothing. Won't turn on at all. Was plugged in all night. No splash screen, no vibration, nothing. Totally dead. Power button + Down button doesn't work. Any hope of recovery?
Update
Also getting - unknown usb device (device descriptor request failed) / code 43 when trying to plug the phone into my computer.
Did you try holding volume down and connecting phone to computer? Try disconnecting the battery for a few minutes, reconnect the battery, and try to power up.
If for some reason it's an issue with the bootloader, there's a backup bootloader, hold vol up + power
Also something to try is LGNPST, that can reflash stock firmware
Power button+volume down doesn't work? The device might be fried. That might also be why your PC doesn't recognize your phone, although the very fact that your PC does recognize that there is something trying to connect to it, makes me doubt my hypothesis.
I'd try to adb reboot it, I think the phone doesn't have to be turned on for that to work. Are you familiar with adb commands? That way I was able to revive my old HTC that was stuck in bootloop and volume buttons didn't work so couldn't get into recovery. Just turned off the phone, plugged into the PC and adb reboot recovery or something, don't remember the exact command line, but you can find guides about it easily.
damn ! i have the same problem after the last OTA update
Maybe it's volume up while inserting the USB cable? Can't remember as I haven't used a nexus 5 for months.

Help!! Fix Xperia C C2305 dead boot( Hard brick)

I flashed a wrong recovery img... now the Xperia c2305 is not booting. It is only showing red light when i connect to computer.
I tried the PC companion method and wmshua flash tool. but it doesn't detect my phone.
How to repair this ??
How can i repair this using testpoint method or Meta mode method??
so your pc doesn't detect your phone?
when you plug your usb + press volume down at the same time green light should appear, what happen in your case?
same problem
tataboga said:
so your pc doesn't detect your phone?
when you plug your usb + press volume down at the same time green light should appear, what happen in your case?
Click to expand...
Click to collapse
I am also facing same problem and yes when I press volume down while plugging in, the orange light blinks once in 10sec but the device doesn't get recognized or nothing is happening on the device side.
this is how I solved it
subhashvnr said:
I am also facing same problem and yes when I press volume down while plugging in, the orange light blinks once in 10sec but the device doesn't get recognized or nothing is happening on the device side.
Click to expand...
Click to collapse
I flashed a wrong recovery.img and that's it the phone wouldn't boot. If I connect to pc companion it just shows blinking orange light but is not detected. This is what I have found out
1. the phone is struck in a bootloop which drains all the battery -- Press the hard reset button at the back of the phone to break from this loop
2. Put the phone on charge for a while ( now it should at least show a steady orange led indicative of charging) as this is needed for software repair
3. Use software repair in sony pc companion for restoring stock android os. -- if the phone is not detected when you plug in while holding volume down key, then release the key once and again press and hold it while the usb is still connected (this worked for me)
4. once the phone is detected and repairing has started the process may fail in between and pc companion may say repair failed!(don't loose hope) -- disconnect from pc, press hard reset button again and repeat steps 3 & 4. ( the repairing process will resume and will be completed slowly)
Note: If your phone is struck at sony logo or is not fully switched off press and hold the power+volume up key together to first switch if off and then connect to pc companion
subhashvnr said:
I flashed a wrong recovery.img and that's it the phone wouldn't boot. If I connect to pc companion it just shows blinking orange light but is not detected. This is what I have found out
1. the phone is struck in a bootloop which drains all the battery -- Press the hard reset button at the back of the phone to break from this loop
2. Put the phone on charge for a while ( now it should at least show a steady orange led indicative of charging) as this is needed for software repair
3. Use software repair in sony pc companion for restoring stock android os. -- if the phone is not detected when you plug in while holding volume down key, then release the key once and again press and hold it while the usb is still connected (this worked for me)
4. once the phone is detected and repairing has started the process may fail in between and pc companion may say repair failed!(don't loose hope) -- disconnect from pc, press hard reset button again and repeat steps 3 & 4. ( the repairing process will resume and will be completed slowly)
Note: If your phone is struck at sony logo or is not fully switched off press and hold the power+volume up key together to first switch if off and then connect to pc companion
Click to expand...
Click to collapse
Where is the hard reset button. I haven't been able to find it.
LawrenceMyers666 said:
Where is the hard reset button. I haven't been able to find it.
Click to expand...
Click to collapse
It is pin hole above the battery beside the sim slots
Hi,My sony xperia C phone is not booting up. I think it is stucked at bootloop. Tried to repair it using Xperia Companion but it is showing that the software repair is no longer supported for this phone. Can someone help me on this?
Plz help
Any body please help i have xperia c2305 im not able to flash any rom in it it says i have to enable usb debugging but currently my phne is not turning on it is only showing sony logo is there is any way to flash rom in it.?

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