My Device isn't recognized by the pc and the fastboot or bootloader mode don't work - Sony Xperia M4 Aqua

I know that this thread is more of same, but I didn't found any answer that helps me.
The story is:
My Xperia 2363 M4 Aqua Dual recived a call and I lost it. Then when I took it and turn on the screen to see the caller, my device just restarted and went to the purple waves screen, but stuck there the system didn't start. Since this, the only thing that phone do is that, it never starts the android system.
I've tried everything that I read
So the things I've tried is:
Restart the phone by holding the power + vol up buttons
Turn off the phone by holding the power + vol up buttons until 3 vibes
Turn on the phone holdin the vol up + vol down buttons
Reinstall software by xperia companion but the software didn't start the process
reinstall software by flashtool but the device isn't found by the flashtool
connect the phone on pc holding vol up button
connect the phone on pc holding vol down button
connect the phone on pc holding vol up + vol down buttons
connect the phone holding all the buttons
the fastboot and bootloader modes don't enter and the pc says that usb device can't recognized by the windows.
I have no ideas of what i do
Can you help me?

Does it flash a blue screen briefly before restarting / crashing?

DarkerJava said:
Does it flash a blue screen briefly before restarting / crashing?
Click to expand...
Click to collapse
Thanks for reply. No, didn't flash a blue screen, it just restarted like when we hold the power +vol up buttons
And it not keep restartin, the phone turns on and stays on the waves screen. don't start the system so as don't restart.

If you device is not being recognized by you PC, Try fastbooting the device using a linux (Mint, what i used for similiar issue), it will hopefully recognize your device and you would be able to flash it.

sanjyot said:
If you device is not being recognized by you PC, Try fastbooting the device using a linux (Mint, what i used for similiar issue), it will hopefully recognize your device and you would be able to flash it.
Click to expand...
Click to collapse
Thank You, I'll try this.

sanjyot said:
If you device is not being recognized by you PC, Try fastbooting the device using a linux (Mint, what i used for similiar issue), it will hopefully recognize your device and you would be able to flash it.
Click to expand...
Click to collapse
I tried this one, but, is the phone that not enter on fastboot mode. I tried with my another devices and it worked well, but the M4 aqua, just refuse to enter in fastboot mode and only recharge the batt. to be more specifc, the green or blue lights don't lights

korkinova said:
I tried this one, but, is the phone that not enter on fastboot mode. I tried with my another devices and it worked well, but the M4 aqua, just refuse to enter in fastboot mode and only recharge the batt. to be more specifc, the green or blue lights don't lights
Click to expand...
Click to collapse
could you fix that problem bro?

advancel said:
could you fix that problem bro?
Click to expand...
Click to collapse
Unfortunately no. I couldn't fix this yet, it is because I' can't go fastboot mode on my device
have you any other suggestion?

no i have that problem by the way if you can fix the prob. then contact me pls

The other phone you tried was a Xperia?
And are you on Win8 or Win10 because if you are, you have to install the drivers in unsafe mode(Don't remember how it's really called).
Furthermore if you don't have anything important in the phone try flashing a new version of Android or the same but do a clean install I.E Wipe everything and leave like new by installing with Flashtool(unsafe mode too, because it needs drivers if you are on Win8>10 when installing)

Related

Phone wont boot. Bad flash

Xperia S Issues. Bad Flash
Hi, I read the 'existing users' installation instructions on the Sspeed ICS rom and installed the rom without installing the ics rom and kernel (I was tired). When booting, I go in a bootloop with the doomkernel screen. I can access recovery fine.
When holding vol+ and connecting to PC the phone goes back into it's bootloop and does not boot into fastboot.
When holding vol- and connecting to PC the phone flashes the green led and then boots into bootloop.
If I wait until the phone vibrates and lights up blue I can press the button to access recovery. I thought I could then just copy a gb rom over using USB mount but it is not detected on the PC.
Any help would be greatly appreciated.
Thank you
Try flashing stock ICS rom with flashtool
Sent from my LT26i using xda app-developers app
arc_u said:
Try flashing stock ICS rom with flashtool
Sent from my LT26i using xda app-developers app
Click to expand...
Click to collapse
Thanks but like I say fast boot and flashmode don't work so I can't access this option
I have the same problem too... I was hoping it would just work, but apparently it doesn't it needs a base rom.....I'm at work at the moment so i cannot fix my phone(i flashed it while at work which i shouldn't have done...) i noticed you can put it into fast boot in recovery - go to reboot options then fast boot can you see if that works
arc_u said:
Try flashing stock ICS rom with flashtool
Sent from my LT26i using xda app-developers app
Click to expand...
Click to collapse
unrealboot1 said:
I have the same problem too... I was hoping it would just work, but apparently it doesn't it needs a base rom.....I'm at work at the moment so i cannot fix my phone(i flashed it while at work which i shouldn't have done...) i noticed you can put it into fast boot in recovery - go to reboot options then fast boot can you see if that works
Click to expand...
Click to collapse
Hi thanks for your reply. I've tried going to fastboot
from recovery and I get a blue flashing light for one flash then it boots up again. Am I able to do anything at that point?
Glad I'm not the only stupid one on here
im not the expert here but I have bricked other phones before but never an xperia phone before. I have been reading up, the doom kernel has some mounting options, try to mount the sd card as mass storage so pc can send files accross to the phone. It should be mount and storage menu -> mount usb storage, then leave it on that menu and connect to computer, see if that works
unrealboot1 said:
im not the expert here but I have bricked other phones before but never an experia phone before. I have been reading up, the doom kernel has some mounting options, try to mount the sd card as mass storage so pc can send files accross to the phone.
Click to expand...
Click to collapse
Hi is this by the mount USB storage optuon ? I tried that and it wasn't detected on the PC. I could try another PC later. Recovery went into mount mode fine but nothing happened on the PC. Not even a blank drive which I know some people have had
If it blinks the LED for a second and reboots, that means that you don't have the drivers. Install drivers that are bundled with flashtool and try again. Or use Linux / OSX.
K900 said:
If it blinks the LED for a second and reboots, that means that you don't have the drivers. Install drivers that are bundled with flashtool and try again. Or use Linux / OSX.
Click to expand...
Click to collapse
I've used the laptop I'm trying it on for unlocking the boot loader and rooting. Maybe something corrupted the drivers. Will try on my Linux machine when I get home.
Thank you for all the help so far
Just Press VolUp and Power button until you get (one vibration followed by 3 consecutive vibrations) ... it will mean phone is shutdown.
Once shutted down, you will be able to press VolDown while plugging phone to PC and it will enter into flashmode.
Then you will be able to flash a FTF using flashtool
doesn't work...after the 3 beeps i let go and the screen turns black but then the boot loop happens again, i cant turn the phone off
Androxyde said:
Just Press VolUp and Power button until you get (one vibration followed by 3 consecutive vibrations) ... it will mean phone is shutdown.
Once shutted down, you will be able to press VolDown while plugging phone to PC and it will enter into flashmode.
Then you will be able to flash a FTF using flashtool
Click to expand...
Click to collapse
Hi, I do get the 3 vibrates and the phone stays off but instill got the individual quick flash then boot up.
Apologies mine stays off too, i just had it on charger so it turns on again after the 3 beeps, once off the charger it will turn off....I will be trying stuff when i get home.
Androxyde said:
Just Press VolUp and Power button until you get (one vibration followed by 3 consecutive vibrations) ... it will mean phone is shutdown.
Once shutted down, you will be able to press VolDown while plugging phone to PC and it will enter into flashmode.
Then you will be able to flash a FTF using flashtool
Click to expand...
Click to collapse
This will work, cause I had a similar issue a while ago
Good luck
depulle87 said:
This will work, cause I had a similar issue a while ago
Good luck
Click to expand...
Click to collapse
correct
Hello. I've got familiar problem. My phone blacked out after one day having about 35 % battery full. I was trying to reset it by holding power and volume up buttons - nothing happened. Just once showed up Sony logo but then again black nothing. Then it vibrate 3 times quickly and from that time it is shutted down, won't turn on even in flashmode. LED is not working too. I was asking for advice in local store servise and guy told me, that new phones have to be at least 30 min on the charger. So it's here now for hour, no result. :/
Just fixed this issue.
Follow these steps
1.hold vol up + power until phone vibrates 3 times.
2.open flash tool and point towards your stock file.
3.hit okay
4.wait for flash tool to prepare the files then it will prompt you to connect device in flash mode( vol down + power)
5.wait for it to finish. Unplug reboot and there you go fixed...
Hope this helps
Sent from my LT26i using Tapatalk 2
Cant do that, because PC dont recognize the phone. Phone has just red LED, thats all.
Alikalix said:
Cant do that, because PC dont recognize the phone. Phone has just red LED, thats all.
Click to expand...
Click to collapse
Use the bundled wallcharger!!! not a PC, pc has too less power to charge it now!
After wallcharger is placed hold vol+ and power for a few seconds until 3 vibrations, then let the phone on charger for atleast 2 hours, if all is good phone will bootup to the "charging animation"
Regards
Bin4ry said:
Use the bundled wallcharger!!! not a PC, pc has too less power to charge it now!
After wallcharger is placed hold vol+ and power for a few seconds until 3 vibrations, then let the phone on charger for atleast 2 hours, if all is good phone will bootup to the "charging animation"
Regards
Click to expand...
Click to collapse
Something similar happened to me. I have the bugged version of chargemon (only can charge with phone on) and accidentally discharged completely. The phone didn't boot, didn't charge and didn't do the 3 vibrations thing. So I put the battery off, conected the wall charger, putted the battery and it booted
It's really easy to remove the battery, you just need to be careful

Xperia Z Tablet Bricked

Hey,
I have a problem. My tablet is SGP312 has Cyanogenmod 11 (FXP247 - Android 4.4). It was bricked when I type in Terminal:
Code:
su
reboot recovery
Was turned off and will not turn on at all.
Power button = NOTHING
Power button + Vol(+) 3/10/25 secs = NOTHING
Power button + Vol(-) 3/10/25 secs = NOTHING
Power button + Voll(+) + USB = NOTHING
No LED light, It's literally a paperweight. I can't even put it into Flashmode.
Please help me!
Anyone can help me?
WeRunTheNite said:
Anyone can help me?
Click to expand...
Click to collapse
Are you sure u can't put it in to flash mode, because that's the first thing I would do
Try putting it into fast boot mode
Hold volume up button and keep holding it and connect it to the pc
If you see blue light on your tablet, it means it has successfully entered fast boot mode
Make sure all the drivers are installed
Or
Follow the following procedures
Install Sony Ericsson flash tool and install all the drivers
Hold volume down button and keep holding it and connect it to pc
Once you hear the connecting sound our Any notification on your pc saying that it is connected, go ahead and flash the ftf file
hassanman1997 said:
Are you sure u can't put it in to flash mode, because that's the first thing I would do
Try putting it into fast boot mode
Hold volume up button and keep holding it and connect it to the pc
If you see blue light on your tablet, it means it has successfully entered fast boot mode
Make sure all the drivers are installed
Or
Follow the following procedures
Install Sony Ericsson flash tool and install all the drivers
Hold volume down button and keep holding it and connect it to pc
Once you hear the connecting sound our Any notification on your pc saying that it is connected, go ahead and flash the ftf file
Click to expand...
Click to collapse
When I hold volume up or volume down and connect it to PC, light turn on in red color. Flashtool says "device connected with usb debugging off" but tablet is off!
Driver
WeRunTheNite said:
When I hold volume up or volume down and connect it to PC, light turn on in red color. Flashtool says "device connected with usb debugging off" but tablet is off!
Click to expand...
Click to collapse
in my opinion, the drivers are not correctly installed
http://developer.sonymobile.com/downloads/drivers/xperia-tablet-z-sgp311-sgp312-driver/
go to the website and download and load the drivers on your pc
its just weird that it says device connected with Usb debugging off when it is actually powered off
try charging your device, maybe the battery needs to be charged leave it there for atleast 30 mins then try the steps
let us know if you fixed it or not
hassanman1997 said:
in my opinion, the drivers are not correctly installed
http://developer.sonymobile.com/downloads/drivers/xperia-tablet-z-sgp311-sgp312-driver/
go to the website and download and load the drivers on your pc
its just weird that it says device connected with Usb debugging off when it is actually powered off
try charging your device, maybe the battery needs to be charged leave it there for atleast 30 mins then try the steps
let us know if you fixed it or not
Click to expand...
Click to collapse
I have a similar problem, I've flashed plenty of devices before, never briked a thing.
By unloking the bootloader the data partition of my brand new tablet Z went corrupted. I've tried to flash several firmware but none was succesfull (couldn't format data...), and finally it get totally bricked! no light, nothing... I was not even able to put it in flash mode (no light ever!).
I've tried after a while, I've read with some other Xperia devices, it would be possible to recover it after some time, by letting the battery die, then use some rubber trick to keep vol- pressed... you can find it in XDA forums what I'm talking about. However after a month my tablet was still dead. no light, no nothing!
I've sent it to warranty and the just said that "an alternative firmware was flashed" (voiding the warranty) "and has rendered the logic board unusable".... and they have to order a new unit!!
I feel so surprise that even the cheapest chinese tablet have an harware mode that allow to reflash and resuscitate it back to factory... even if the firmware is completely screwed, and a 600$ tablet for a simple bootloader unlock got totaly bricked.
I wonder if there is an "hardware" way to recover the tablet (I saw it's pretty easy to tear down the Xperia tablet Z), by directly accessing the NAND... or by accessing some PIN (well I know sony would have not leaked such information)

bricked sony z3v (can only access fastboot)

usually when i mess this phone up i am able to use the companion to flash it back to stock. i tryed to flash magisk and now the light flashes when plugged into a power source and the phone does not turn on at all. if i hold volume up while turning on it boots into fastboot mode because i see the blue light and i was able to use flashtool and its fastboot tools to flash system.sin from stock firmware but that has not made a difference. i have tried to get it into download mode(upgrade mode) by holding volume down but it continues to boot loop. if the device is not plugged into power and i hold volume down and power it boots into recovery and i click both safe mode and factory reset but both turn the device off. any ideas?
ths is far from beeig bricked. go into twrp recovery and flash new rom. this should work.
It is just a dead mobile
TjNiko said:
ths is far from beeig bricked. go into twrp recovery and flash new rom. this should work.
Click to expand...
Click to collapse
mine is not doing anything but it only boots into fastboot mode.
my device : Z3v D6708
rooted
no twrp is able to accessed.
dead body which blinks red+green LED when plugged in....and shows a blue light in fastboot.
Inside the SD card / SIM card slot is a small orange or red button, press with a tooth pick or a pin untill you feel vibration and then try to reflash.
a recovery shouzld be aways present at fota my friend.
rockinroller said:
Inside the SD card / SIM card slot is a small orange or red button, press with a tooth pick or a pin untill you feel vibration and then try to reflash.
Click to expand...
Click to collapse
i held the button in the sim card slot until the phone vibrated but what's next? i tried the companion and flashtool but the only thing it lets me do is flash the system, which does not fix my problem still, what is that button?
TjNiko said:
a recovery shouzld be aways present at fota my friend.
Click to expand...
Click to collapse
the only recovery available is the stock one that says power off, safe mode, continue boot, factory reset... none of them do anything....this device does have a locked bootloader, it uses a recovery like many motorola's do... its a software recovery so its gone lol
You should be able to use flash tool to flash the proper ftf file for your device. That is what you are trying to do right?
rockinroller said:
You should be able to use flash tool to flash the proper ftf file for your device. That is what you are trying to do right?
Click to expand...
Click to collapse
yes, every time i try it asks to put the device is upgrade mode, which it can not do at the moment
logan71f100 said:
yes, every time i try it asks to put the device is upgrade mode, which it can not do at the moment
Click to expand...
Click to collapse
So, if you hit the flash button on flashtool, tick the flashmode and after preparing it asks you to power off your phone and plug your USB cable into your computer and then press the volume button "down" while plugging in the USB cable to your phone, It should enter flashmode and start a automated flash. This is not working?
rockinroller said:
So, if you hit the flash button on flashtool, tick the flashmode and after preparing it asks you to power off your phone and plug your USB cable into your computer and then press the volume button "down" while plugging in the USB cable to your phone, It should enter flashmode and start a automated flash. This is not working?
Click to expand...
Click to collapse
nope thats my problem, i only can access flashmode, when plugged in it just bootloops, it only goes into flash mode via the blue light
logan71f100 said:
nope thats my problem, i only can access flashmode, when plugged in it just bootloops, it only goes into flash mode via the blue light
Click to expand...
Click to collapse
I'm not understanding how it is bootlooping. Your phone should be off (power off) when holding down the volume button and plugging in the USB. Is your phone powering on at this point to bootloop? If so you might have hardware problems Is all I can think of.
rockinroller said:
I'm not understanding how it is bootlooping. Your phone should be off (power off) when holding down the volume button and plugging in the USB. Is your phone powering on at this point to bootloop? If so you might have hardware problems Is all I can think of.
Click to expand...
Click to collapse
the phone started bootlooping after flashing that zip. so that rules out hardware, and when i say boot loop i mean lights flash screen stays dark..im trying to figure out if there's a fancy way to fix this through fastboot
depends on wich ftf was used before and bootloader some of them can enter flashmode just by put on the otg cable
It was running 5.1.1 and it boots into fastboot when I hold volume up, but just lights and virbates when holding down for upgrade mode
Same problem. z3v, accidentally flashed a wrong firmware zip via TWRP.
Now if I push the power button, nothing happens.
A long push causes a short vibration and nothing else.
Yellow rest button does not change anything either.
If I connect it to the PC, the following happens: Red led lights up briefly, phone vibrates, green led lights up briefly; whole sequence cycles after that. Now the only thing I can do from there is hold volume up for a couple of seconds, then the phone enters fastboot mode. Blue led lights up continuously. Flashtool sees the phone in Fastboot mode.
However, where to go from here, I cannot see. Any advise?
I had this problem once. It might be your usb cable try a brand new one that rated for data also not just charging. I was trying to root my phone at work and it wouldnt work and when I got home I tried a different usb cable and it worked.,
s300pmu1 said:
Same problem. z3v, accidentally flashed a wrong firmware zip via TWRP.
Now if I push the power button, nothing happens.
A long push causes a short vibration and nothing else.
Yellow rest button does not change anything either.
If I connect it to the PC, the following happens: Red led lights up briefly, phone vibrates, green led lights up briefly; whole sequence cycles after that. Now the only thing I can do from there is hold volume up for a couple of seconds, then the phone enters fastboot mode. Blue led lights up continuously. Flashtool sees the phone in Fastboot mode.
However, where to go from here, I cannot see. Any advise?
Click to expand...
Click to collapse
I am no closer than when I posted this, until there is a bootloader unlock witch in theory can be done through fastboot, we are s.o.l.
logan71f100 said:
I am no closer than when I posted this, until there is a bootloader unlock witch in theory can be done through fastboot, we are s.o.l.
Click to expand...
Click to collapse
aaa,It's very easy.you can use flashtool to flash a new system. but you must be in green light.only it.you also can be flash.sure,if your phone can't get into system,it only loop at"SONY".You touch the power and the volume up and down. keep 7s. then the phone will get into 3E RECOVERY,you chosed power down.and then the phonwill be power off. Now you can flash you phone.
If you phone can't get into green light.you can use the tool Z3X easy tool to save your phone.or it will be a brick.
my phone cant be start.it have became a brick. Good luck
s300pmu1 said:
Same problem. z3v, accidentally flashed a wrong firmware zip via TWRP.
Now if I push the power button, nothing happens.
A long push causes a short vibration and nothing else.
Yellow rest button does not change anything either.
If I connect it to the PC, the following happens: Red led lights up briefly, phone vibrates, green led lights up briefly; whole sequence cycles after that. Now the only thing I can do from there is hold volume up for a couple of seconds, then the phone enters fastboot mode. Blue led lights up continuously. Flashtool sees the phone in Fastboot mode.
However, where to go from here, I cannot see. Any advise?
Click to expand...
Click to collapse
I have same problem if you resolve it please help

Sony XZ1 G8431 bricked

Hello guys, i have sony xz1 g431, i bricked my phone when i try to install another rom of another device via twrp. Now my phone no light when connect to pc, no light when charging, flash tool doesnt recognize my phone. When i connect my phone to pc it only shows QUSB_BULK on my pc. I think it lost fastboot or something. I try hold down button, up button or both when connect to pc but still no light and nothing happen.
Please help me fix this problem or atleast some good suggestions to solve this problem. I will really happy for that. Thanks :crying:
Just have the phone powered off, hold just only the volume down button and while holding it, connect the phone to usb cable to your PC.
It should enter flash mode (green light), where you can flash stock firmware via newflasher (or possibly also via flashtool, but I do not use that).
If you have the phone off, hold volume up button while connecting to usb, it should enter fastboot (blue light), which also may be used for some recovery, if the phone has been unlocked (or for the unlock itself).
If any of those modes are available, the phone should be possible to recover.
j4nn said:
Just have the phone powered off, hold just only the volume down button and while holding it, connect the phone to usb cable to your PC.
It should enter flash mode (green light), where you can flash stock firmware via newflasher (or possibly also via flashtool, but I do not use that).
If you have the phone off, hold volume up button while connecting to usb, it should enter fastboot (blue light), which also may be used for some recovery, if the phone has been unlocked (or for the unlock itself).
If any of those modes are available, the phone should be possible to recover.
Click to expand...
Click to collapse
i have tried it but there's no light. I think it's dead :crying:
@Karl Einstein, have you tried both ways as suggested above?
Maybe you can examine what usb device appear (if any) in each of the described modes (tried to enter flash mode, tried to enter fastboot mode, tried to just plug the phone to usb without holding any button from power off state).
What happens if you try to enter recovery mode (twrp) - having your phone powered off, without usb connection, holding volume down and power, should enter twrp if you had it flashed before.
Do you get any vibration when hold the power button and.volume.key.up?
Karl Einstein said:
Hello guys, i have sony xz1 g431, i bricked my phone when i try to install another rom of another device via twrp. Now my phone no light when connect to pc, no light when charging, flash tool doesnt recognize my phone. When i connect my phone to pc it only shows QUSB_BULK on my pc. I think it lost fastboot or something. I try hold down button, up button or both when connect to pc but still no light and nothing happen.
Please help me fix this problem or atleast some good suggestions to solve this problem. I will really happy for that. Thanks :crying:
Click to expand...
Click to collapse
Well...I think your phone is dead...I'm really sorry to say that, but in this case, that is the only reasonable explanation.
Yesterday I flashed the GSI image, then tried to flash to eXistenZ, it just stuck in the startup interface. However, it can still enter flash mode and fastboot mode, I have no choice but to use the newflasher to re-flash the firmware, it will return to normal.
In general, Sony devices are hard to change bricks, unless the phone is a Japanese carrier's custom phone (generally can not unlock the bootloader, and can only flash some firmware).
I have seen users who have flashed CE firmware for the docomo version and then can't enter flash mode and fastboot mode.Unlike your device,her phone is totally dead...It can't be charged, and there is no prompt to connect to the computer.
If you can buy a motherboard from eBay or somewhere else,you can disassemble your phone,then replace the old motherboard.
Hope these helps.
Thank you guys for all your support. Finally i decided to skip this problem and i will buy a new device
TimCrownie said:
Well...I think your phone is dead...I'm really sorry to say that, but in this case, that is the only reasonable explanation.
Yesterday I flashed the GSI image, then tried to flash to eXistenZ, it just stuck in the startup interface. However, it can still enter flash mode and fastboot mode, I have no choice but to use the newflasher to re-flash the firmware, it will return to normal.
In general, Sony devices are hard to change bricks, unless the phone is a Japanese carrier's custom phone (generally can not unlock the bootloader, and can only flash some firmware).
I have seen users who have flashed CE firmware for the docomo version and then can't enter flash mode and fastboot mode.Unlike your device,her phone is totally dead...It can't be charged, and there is no prompt to connect to the computer.
If you can buy a motherboard from eBay or somewhere else,you can disassemble your phone,then replace the old motherboard.
Hope these helps.
Click to expand...
Click to collapse
Just a side note , why flash existenz on a gsi rom... As it is made for stock Sony only or did I just misread something..
I had the same issue before on my lenovo p2 it lost fastboot and download mode but the PC detect it as qusb bulk then Qualcomm USB h9008 I searched all solutions but no good I think it needs some kind of box to push the modes or change the mother board. So I changed to Sony instead of repair it
Karl Einstein said:
Thank you guys for all your support. Finally i decided to skip this problem and i will buy a new device
Click to expand...
Click to collapse
Sad to ear that...
I had the same issue with my previous Htc10.
As it was still under warranty, I have had to contact HTC support and told them that and OTA bricked it.
They accepted the issue and replaced the motherboard.
I was BL unlocked, rooted and custom rom when it happened and no issue with support as they had no mean to prove it ?.
If still under warranty try to contact Sony support and tell them the same story... Ota bricks my phone ?
lilbrat said:
Just a side note , why flash existenz on a gsi rom... As it is made for stock Sony only or did I just misread something..
Click to expand...
Click to collapse
I've flashed eXistenZ before flash GSI in my phone. I thought GSI image would cover my origin ROM like eXistenZ, so after flash GSI image in,I flash eXistenZ again.
j4nn said:
Just have the phone powered off, hold just only the volume down button and while holding it, connect the phone to usb cable to your PC.
It should enter flash mode (green light), where you can flash stock firmware via newflasher (or possibly also via flashtool, but I do not use that).
If you have the phone off, hold volume up button while connecting to usb, it should enter fastboot (blue light), which also may be used for some recovery, if the phone has been unlocked (or for the unlock itself).
If any of those modes are available, the phone should be possible to recover.
Click to expand...
Click to collapse
I have the same issue. My sony xperia xz1 G8342 got sudden dead. (Before dead, I remember I disabled "Developer Mode"). Now its not response by any mean except charging sign when i connect to Power source or PC. Xperia Flashtool shows "device connected with USB debugging disabled".
So, How Can I enter flash mode or fastboot mode? Is My phone recoverable? Please Help.
Thanks
Yesterday I was struggling with my XZ1 Compact and came across this thread that gave me some light to get my mobile phone back.
I guess it's way late for Karl now but just in case, I'm sharing my experience. I was working on my device to get LineageOS 18, as I'm a total newbie with roms I followed the different articles that were posted on Getdroidtips for this particular case: Unlocked bootloader, flashed TRWP and installled lineageos. But then I realized it would be good to have Google Play for restoring my files and apps, but when tried to reboot into recovery mode to get Gapps flashed, Black Screen Of Death started.
After that
with the phone plugged to the pc it wasn't recognized as a device (so adb or fasboot where useless)
the only thing the phone reacted to was to press and hold power + volume up (either for reset or power off)
but no matter what, next boot again BSoD
Tried the Xperia Companion but it prompted that repair was not possible as bootloader was unlocked.
Eventually found this life saver
j4nn said:
If you have the phone off, hold volume up button while connecting to usb, it should enter fastboot (blue light), which also may be used for some recovery, if the phone has been unlocked (or for the unlock itself).
Click to expand...
Click to collapse
From there, using fasboot I could reboot the device back with the LineageOS. I was still having issues with recovery boot but I'll post that on a different thread.
Thanks again to everyone for sharing thoughts and tips!

Sony Z Ultra - C6883 Unable to get into fastboot mode

The phone has been in the drawer for quite a long time (5+ Years)
I come to try flash root to it and it wont boot into fastboot. all that happens is a black screen and nothing else.
ADB reports it as being there till it reboots ( 'adb reboot bootloader' ) , when the phone reboots its a black screen and if i plug in a usb lead then i get the standard windows was unable to recognise this device. ( Attached is a device manager Grab of it )
I have tried to use Flashtool64 (latest version) it reboots to the same black screen. The only way then to get it back to a usable phone is to unplug the lead and press the power button till it vibrates.
I have spent 10+ hours reading and reading everywhere and nothing that has been suggested has been succesful.
This is my last hope ( I realise its a 10 year old phone) and am hoping someone can help me sort this out.
Many Thanks in advance
You wrote nothing about the version of adb and drivers you are using.
ze7zez said:
You wrote nothing about the version of adb and drivers you are using.
Click to expand...
Click to collapse
I have tried the latest and older version from 2013. Same result
peanuthead71 said:
I have tried the latest and older version from 2013. Same result
Click to expand...
Click to collapse
Maybe try this:
https://www.rescuedigitalmedia.com/fix-unknown-usb-device-device-descriptor-request-failed-on-windows
ze7zez said:
You wrote nothing about the version of adb and drivers you are using.
Click to expand...
Click to collapse
I have tried the latest and older version from 2013. Same result
ze7zez said:
Maybe try this:
https://www.rescuedigitalmedia.com/fix-unknown-usb-device-device-descriptor-request-failed-on-windows
Click to expand...
Click to collapse
Tried that.i have spent a very long time on this. Starting to get to the point that the phone is poop. And needs to be binned
To confirm the functionality of the equipment.
Can you transfer files from/to phone in adb mode?
Yes, the device problem only happens when it reboots to bootloader for fastboot access. I think bootloader is corrupted . Can't flash new one without boitloader/fastboot access. Well that's my understanding
What about flashmode?
Flash mode:
1) Connect the USB cable to the computer (do not connect it to the phone yet)
2) Turn off the phone
3) When the phone turns off, plug the USB cable into the phone and hold the Volume Down button
4) The phone should boot into Flashmod mode!
Your Xperia Z Ultra should be in Flash Mode now and the device’s LED light should turn into Green
Fastboot mode:
1) Connect the USB cable to your computer (don't connect it to the phone yet)
2) Turn off the phone
3) When the phone turns off, plug the USB cable into the phone and hold the Volume Up button
4) The phone should boot into fastboot mod!
Your Xperia Z Ultra should be in Flash Mode now and the device’s LED light should turn into Blue
peanuthead71 said:
Yes, the device problem only happens when it reboots to bootloader for fastboot access. I think bootloader is corrupted . Can't flash new one without boitloader/fastboot access. Well that's my understanding
Click to expand...
Click to collapse
Same. Even EMMA doesn't work. Which was a suggestion. Or flash prog (used old and new) all seem to reboot to bootloader/fastboot which has same error as stated.
The usb vol down with plugging in usb / power on doesn't work either.
neither does the vol up + power / usb
ammended to clarify
when powering up/vol down i get a short vibration, then it boots normally. pressing vol up + power gets black screen.
usb + vol Down does nothing, usb + Vol up also does nothing
I am thinking that the phone is not booting into a software that 'tells the USB what it is. Th OS boots fine tho and it sees the phone and can xfer to and from the phone

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