Not recognizeing phone - Sony Ericsson Xperia Neo, Pro

Ok, i broke my phone with cwm. phone stucks at sony ericsson text, no bootloop.
usb doesnt recognize it. what should i do?

as far as i know cwm will not brick your phone , only a kernel does that ...
1. pull out battery & power on phone & keep pressing volume down button untill recovery appears , then select wipe factory reset & reboot device(just try it) , if it dosent work
2.try pulling out your battery for sometime and connect to your PC(before that restart your PC) , if usb gets recognized try PC companion
post in Q&A section for sooner/better answers , not in development section

please no questions in dev section.

Related

[Solved] X10 brick and can't access flash mode

if your x10i brick (SE Logo) and can't reboot can't access xrec and can't access flash mode (for flash generic rom)
i have a solution..
1. connect the phone to PC (USB)
2. open superOneClick v1.55 and click shell root icon
3. open FlashTool 0.2.9.1 and click Ask Root Perms
4. click menu advanced --> clean --> clear cache
5. click xrecovery icon
6. click menu advanced --> Xrecovery--> Reboot into Recovery
7. look you phone.. bingo.. u can access Xrecovery and then just install u favorit custom rom n reboot..
8. now u phone normaly n u can access flash mode to flash generic rom..
and.. sory my english is bad hehe...
jakadewantara said:
if your x10i brick (SE Logo) and can't reboot can't access xrec and can't access flash mode (for flash generic rom)
i have a solution..
1. connect the phone to PC (USB)
2. open superOneClick v1.55 and click shell root icon
3. open FlashTool 0.2.9.1 and click Ask Root Perms
4. click menu advanced --> clean --> clear cache
5. click xrecovery icon
6. click menu advanced --> Xrecovery--> Reboot into Recovery
7. look you phone.. bingo.. u can access Xrecovery and then just install u favorit custom rom n reboot..
8. now u phone normaly n u can access flash mode to flash generic rom..
and.. sory my english is bad hehe...
Click to expand...
Click to collapse
sorry i`m spanish and my english is very bad.
My problem: my x10 cant acces flash mode because pc dont detect the phone. Dont charge, etc... the brick block charge dock, mini usb...any solution please.
try thread from DoomLORD : [DEV][How-To] Get Back to Stock Even With Broken / Damaged USB Port in http://forum.xda-developers.com/showthread.php?t=1054818
tarzerixx said:
sorry i`m spanish and my english is very bad.
My problem: my x10 cant acces flash mode because pc dont detect the phone. Dont charge, etc... the brick block charge dock, mini usb...any solution please.
Click to expand...
Click to collapse
Likely the USB port is dead and you have to send it in for repair.
I used flashtool 3.0, pretended I was gonna flash 2.1 onto it and wella it worked. Your idea fixed my phone Dude. Thanks for the help.
pccobra said:
I used flashtool 3.0, pretended I was gonna flash 2.1 onto it and wella it worked. Your idea fixed my phone Dude. Thanks for the help.
Click to expand...
Click to collapse
Please mention the steps, or link, when i press on shell root(in superone click) it keeps on waiting for device. (flashtool never enables ask for root).
NOTE: It happened when I was trying update my ROM Wolfbreak , I did factory rest and all other resets available on xRec . (xcluding sd card format) then i thought i should try reboot before installing new ROM. but it stucks on SE logo screen. please give me some thoughts to make it in working mode again
Thanks
RedAxe said:
Please mention the steps, or link, when i press on shell root(in superone click) it keeps on waiting for device. (flashtool never enables ask for root).
NOTE: It happened when I was trying update my ROM Wolfbreak , I did factory rest and all other resets available on xRec . (xcluding sd card format) then i thought i should try reboot before installing new ROM. but it stucks on SE logo screen. please give me some thoughts to make it in working mode again
Thanks
Click to expand...
Click to collapse
Hapenned the same to me...
I try to follow the steps, but i can't pass step 4 (it's unavaiable the "clean cache" bottom...)
Please help...
Restore original firmware with SEUS
RedAxe said:
...then i thought i should try reboot before installing new ROM. but it stucks on SE logo screen...
Click to expand...
Click to collapse
My X10 mini was a brick (or I thought it was) because it was behaving like you described: the phone was stuck on the SE logo and it wasn't entering Flash Mode although I pressed the back key when the Sony Ericsson white letters were displayed.
Here is my solution
Open SEUS and select your phone. Click Next.
SEUS will wait for the device.
Connect your bricked phone via the USB cable.
Then you must access Flash Mode, at all costs.
SEUS, PC Companion and FlashTool can detect this phone only in Flash Mode.
Note: If your phone is resetting correctly (pressing and holding Power+Center) and the phone is being detected as an unmounted removable drive on the computer as mine did, it should be able to enter Flash Mode, no matter it has been already stuck for ages on the first screen with the white letters. My phone had enough battery charge to go through the whole process.
To enter Flash Mode with the Xperia X10 Mini I had to:
1. Perform a hard reset of the phone (Press and hold Power+Center)
2. As soon as the phone vibrates, release both keys. Phone will restart.
3. The white Sony Ericsson logo will be displayed.
4. Press and hold Power+Center and immediatly the Back key (the three keys at the same time)
5. Keep the keys pressed until the LED turns green.
After doing the correct sequence and entering Flash Mode, the LED turns green and the screen turns completely black. SEUS detected my phone at this point, downloaded the original firmware and installed it automatically.
do u have trick for my problem here forum.xda-developers.com/showthread.php?t=1388476
my x10 just vibrate once and stack on blank screen.
Sent from my X10i using Tapatalk
When I use SEUS It keep saying "You have the newest software available"
I tried the hard reset and all. The phone now just won't start at all
Hi,
i got the same problem what you describe ive stuck at the SE logo and cant get into recovery and i cant use flashtool. i tried to do what you say in the first post, but when i press the shell root button, it says "wait for device" then its not responding, and i cant moce on to the next step... what should i do now?
Ketoth said:
My X10 mini was a brick (or I thought it was) because it was behaving like you described: the phone was stuck on the SE logo and it wasn't entering Flash Mode although I pressed the back key when the Sony Ericsson white letters were displayed.
Here is my solution
Open SEUS and select your phone. Click Next.
SEUS will wait for the device.
Connect your bricked phone via the USB cable.
Then you must access Flash Mode, at all costs.
SEUS, PC Companion and FlashTool can detect this phone only in Flash Mode.
Note: If your phone is resetting correctly (pressing and holding Power+Center) and the phone is being detected as an unmounted removable drive on the computer as mine did, it should be able to enter Flash Mode, no matter it has been already stuck for ages on the first screen with the white letters. My phone had enough battery charge to go through the whole process.
To enter Flash Mode with the Xperia X10 Mini I had to:
1. Perform a hard reset of the phone (Press and hold Power+Center)
2. As soon as the phone vibrates, release both keys. Phone will restart.
3. The white Sony Ericsson logo will be displayed.
4. Press and hold Power+Center and immediatly the Back key (the three keys at the same time)
5. Keep the keys pressed until the LED turns green.
After doing the correct sequence and entering Flash Mode, the LED turns green and the screen turns completely black. SEUS detected my phone at this point, downloaded the original firmware and installed it automatically.
Click to expand...
Click to collapse
u totally saved me =D
X10 mini revived!
Hi,
The procedure described above works fine until you've the phone recognized by the computer.
Here's how It has finally been recognized:
1) Completely switch off the phone (Do not leave it with SE logo).
-You can do the either by removing the battery connector (be cautious) under a rubber on the left(not above) of the camera lens.
-OR when the USB is plugged in,
(1.1) press center + back + power button until power off,
(1.2) then release center and power button AND KEEP back button down(about 2-5 seconds) until green led lights on. remark:LED will stay green until you unplug USB or phone switches on.
(1.3) Unplug USB.
Your phone should be OFF now. SE logo doesn't appear anymore (Wait 30s to be sure)
2) Unplug the USB cable from computer and plug it in another USB port of the PC.
3) At this time, if you plug USB on your X10 mini, it should be recognized as a SEMC device (It has worked for me).
-Success? Go step 4
-Failure, retry (from step 2 should be enough) with another USB port. If you've tryied all ports already, I've no idea.
4) If step 3 is successful, unplug USB.
5) Start SEUS (update service program from SE), choose you phone, follow the instructions on screen. Remark: Even if it says that you've got the last version, there is an "Install" button available on the bottom right corner. Click it!
Hope it'll help.
deBelch.
PS: Many thanks the whole forum for the help provided.
hello guys..my se xperia x10 mini pro stuck on the SE logo..and i tried to press power+ home button but it din't change anything.It also give 0.3sec led green flash while pressing the power and the menu button.can anyone plz help me with this..???
cruzstar said:
hello guys..my se xperia x10 mini pro stuck on the SE logo..and i tried to press power+ home button but it din't change anything.It also give 0.3sec led green flash while pressing the power and the menu button.can anyone plz help me with this..???
Click to expand...
Click to collapse
Update phone using SEUS....
Just google SUES
Definitely it will work....
Sent from my X10i using xda premium
yea i have use the SEUS..by pressing the back button..but it dont work..plz help me
Dear sir i already done that procedures but no use in seus shown u already updater software. plz help me
Cannot unbrick xperia mini E10i
Ketoth said:
My X10 mini was a brick (or I thought it was) because it was behaving like you described: the phone was stuck on the SE logo and it wasn't entering Flash Mode although I pressed the back key when the Sony Ericsson white letters were displayed.
Here is my solution
Open SEUS and select your phone. Click Next.
SEUS will wait for the device.
Connect your bricked phone via the USB cable.
Then you must access Flash Mode, at all costs.
SEUS, PC Companion and FlashTool can detect this phone only in Flash Mode.
Note: If your phone is resetting correctly (pressing and holding Power+Center) and the phone is being detected as an unmounted removable drive on the computer as mine did, it should be able to enter Flash Mode, no matter it has been already stuck for ages on the first screen with the white letters. My phone had enough battery charge to go through the whole process.
To enter Flash Mode with the Xperia X10 Mini I had to:
1. Perform a hard reset of the phone (Press and hold Power+Center)
2. As soon as the phone vibrates, release both keys. Phone will restart.
3. The white Sony Ericsson logo will be displayed.
4. Press and hold Power+Center and immediatly the Back key (the three keys at the same time)
5. Keep the keys pressed until the LED turns green.
After doing the correct sequence and entering Flash Mode, the LED turns green and the screen turns completely black. SEUS detected my phone at this point, downloaded the original firmware and installed it automatically.
Click to expand...
Click to collapse
Hello Guys,
I need your urgent help.
I cannot restore phone with SEUS or Companion. It says I already have the soft.
Getting fatal errors in Flashtool, I am stuck with SE logo and bootloader relocked.
I have the stock kernel but CM7 ROM.
Do you have any other ideas?
Tanks a lot!
deBelch said:
Hi,
The procedure described above works fine until you've the phone recognized by the computer.
Here's how It has finally been recognized:
1) Completely switch off the phone (Do not leave it with SE logo).
-You can do the either by removing the battery connector (be cautious) under a rubber on the left(not above) of the camera lens.
-OR when the USB is plugged in,
(1.1) press center + back + power button until power off,
(1.2) then release center and power button AND KEEP back button down(about 2-5 seconds) until green led lights on. remark:LED will stay green until you unplug USB or phone switches on.
(1.3) Unplug USB.
Your phone should be OFF now. SE logo doesn't appear anymore (Wait 30s to be sure)
2) Unplug the USB cable from computer and plug it in another USB port of the PC.
3) At this time, if you plug USB on your X10 mini, it should be recognized as a SEMC device (It has worked for me).
-Success? Go step 4
-Failure, retry (from step 2 should be enough) with another USB port. If you've tryied all ports already, I've no idea.
4) If step 3 is successful, unplug USB.
5) Start SEUS (update service program from SE), choose you phone, follow the instructions on screen. Remark: Even if it says that you've got the last version, there is an "Install" button available on the bottom right corner. Click it!
Hope it'll help.
deBelch.
PS: Many thanks the whole forum for the help provided.
Click to expand...
Click to collapse
nope...didnt work...there is NO Install beneath...wonder why? is it i am using the latest SEUS?
greetings. please i followed your steps to unbricked my device but my x10 cant boot into flash-mode. whenever i try to connect it via flash-tool. the green light comes on but in some few seconds it boot automatically. and when i try to flash anything it boot automatically. please help me
---------- Post added at 12:21 AM ---------- Previous post was at 12:16 AM ----------
greetings. please i followed your steps to unbricked my device but my x10 cant boot into flash-mode. whenever i try to connect it via flash-tool. the green light comes on but in some few minutes it boot automatically. and when i try to flash anything it boot automatically. please help me

X10 mini boot locked after E10_nAa-06 kernel update

Hi to all,
i'm trying to install the MiniCM7.
I rooted, installed xrecovery an unlocked the bootloader correctly.
After installed the latest E10_nAa-06 the phone rebooted and the nAa screen appear, than disappear but noting.
The phone doesn't answer.
i can't turn off or turn on the phone.
i've tried with pc companion but a "plug the phone" message appear.
if i try with flashtool the phone are recognized but i can't do noting, if i try to reinstall the kernel a message "connect the phone in flash mode" is displaied.
What can i do?
Please help me
You can do a search and do a ask im proper forum section.
i did it but i didn't find or i didn't understand a solution!
open the back cover
remove the rubber near camera and unplug the pin using pen and reconnect it and start flash tool and connect the phone pressing and holding back key
after flashing kernel reboot phone &start pressing back key quickly after backlight is on
ukyo1234 said:
Hi to all,
i'm trying to install the MiniCM7.
I rooted, installed xrecovery an unlocked the bootloader correctly.
After installed the latest E10_nAa-06 the phone rebooted and the nAa screen appear, than disappear but noting.
The phone doesn't answer.
i can't turn off or turn on the phone.
i've tried with pc companion but a "plug the phone" message appear.
if i try with flashtool the phone are recognized but i can't do noting, if i try to reinstall the kernel a message "connect the phone in flash mode" is displaied.
What can i do?
Please help me
Click to expand...
Click to collapse
Hold power+home button, wait until screen goes black, then immediately press and hold back button, while plugging usb cabel into phone. Then do anything you want, your phone will be in restore mode.
Next time post your question in another section named "XPERIA X10 Mini Q&A"
hi
i have the same problem but i flashed the kernel via flashtools 0.3.5
If i press home and on/off the phone goes off but after few seconds it starts new.
I see the picture from the nAa Kernel and then i get a black screen.
The flashtool identificate the phone with the new kernel but i cant flash a other kernel.
sorry for my bad english
bye bye
use the update service from sony ericsson.
-start update service
-connect your hp using usb to the computer
-press and hold power + home till it restart
-flash back the stock 2.1 version
----> then continue again on the kernel update
Thanks for your help but I have the problem solved differently. My cell phone could not be connected to the Seus. I installed a rom by cwm.
For the people that have flashed a cwm capable kernel:
Just go to recovery menu via home, down on / off and volume

Xperia Mini Pro won't turn on [SOLVED]

I had CM 7.2 on it. I wanted to go stock, but flashtool didn't work.. So I extracted the FTF file (SK17i_4.0.2.A.0.62_(1251-0103)) and using ADB I flashed kernel.sin and system.sin.
Phone started normally. I didn't wipe any data or cache.
Then I installed KRsH Kernel v3.0 and the wlan_modules.
Then (don't know why) I wiped Dalvik cache..
After a while using, the phone asked for software update. I installed it and phone didn't boot. I wait about 10 mins, and took the battery out.. (USB unplugged)
Put it back in and the phone did nothing when trying to turn it on.
I tried updating with SEUS but it said, "the phone contains modified software that cannot be updated."
I tried flashtool again, and it worked! But after installing, reboot, and keep saying "Device connected in flash mode. Device disconnected. And keeps repeating this.)
I unplugged the USB and when I tried to turn it on, the green light flashed once. If I hold the power button it keeps flashing in interval of 1 sec.
*The light is not as bright as when I plugged the USB cable*
If i plug the USB now the LED turns bright green and I hear the USB connected sound on my PC(win7 64 btw).
Anyting I can do to fix my phone?
Thanks!
P.S. I'm sorry I had to bump an old thread and now start a new one... I just want to fix it
P.S.S. If I hold the power button+volume up (USB unplugged) the phone vibrates.
If I hold them like that I get random intervals of vibrations and the vibrations can be short and long.
SOLVED!
http://forum.xda-developers.com/showthread.php?t=1134334&highlight=Relock
For everybody having this problem, flash the relock bootloader with flashtool.
Power on the phone normally, you should feel vibration and the phone will boot normally in the last firmware you had.
please help
problem solved
drivers need to be installed
akshay13071990 said:
problem solved
Click to expand...
Click to collapse
I flashed my xperia pro with a mt11a_4..1.B.0.431_kernel in fastboot option and now my fone is not gettin switched on. When i connect it to PC it is notifying drivers need to be installed and now i cannot even make my laptop detect my fone. plz help
Any help is appreciated.
Thankyou !!
Yea even i have the same problem here...

[Sola] Cyanogenmod 9 bricked my sola?

I've tried to install Cyanogenmod 9 on my Xperia Sola, I've unlocked bootloader official way, flashed kernel from this forum specialy made for sola (http://forum.xda-developers.com/showthread.php?p=28957468&postcount=412 This One), then boot.img of cyanogenmod 9 (FXP203) and...
When I want to do anything with phone, it just flashes my red led. I mean, that led is still on, when I press Power it just turn off. And when I try to connect my phone in fastboot mode, It don't react at all. Can I already throw it away through window?
I put it under a charger to see if it's just off energy, but i've noticed, that after a while, red led just turns off and that's all.
My god, help me or I'll be back on Nokia 3310
You've used the S kernel, not the Sola.
Download the FXP for Sola (Pepper) here;
http://forum.xda-developers.com/showthread.php?t=1876929
Flash boot.img via fastboot. To get in, hold vol up + power. Wait for 3 vibrations.
Hold vol up. Then jam the USB cable in. You should be in fastboot.
Alternatively, flash the stock sola ftf via flashboot.
Problem is, my phone does not react, it does not vibrate, just that red led is on or off. Nothing else. I've tried all of those combinations. I can't get to fastboot mode or anything else.
MelaPL said:
Problem is, my phone does not react, it does not vibrate, just that red led is on or off. Nothing else. I've tried all of those combinations. I can't get to fastboot mode or anything else.
Click to expand...
Click to collapse
Happened to me (I use Xperia GO). What I did is (as mentioned above) - Hold the power button and Volume Up button for sometime (it vibrates once after a few seconds, do not leave the buttons - continue to do so and after a few more seconds until 3 vibrations) and then the phone switches off. Now, hold the Volume Up button and plug in the USB cable - you'd be able to get in the fastboot mode. Flash a stock kernal and that should help.
If your phone is completely down (no charge at all), then above won't help. Plugin the charger and and wait for a few mins (before the red light goes off - you should now have a good knowledge on when the light goes off!) and try then try the above step. Once the 3 vibration comes, remove the charger and go ahead with the flash mode.
Hope this helps!
Thanks,
B.
Edit: By the way, I had my SIM Card and Memory card inserted in the phone when the phone was completely down without any charge. I don't know how, but it makes a difference with you try so (atleast in my case) with them.
If it does not vibrate, then it's a hard brick =\ You need the phone to be at least partially responsive to get into fastboot/flashboot.
Keep holding down. It should vibrate after 25 seconds or so.
Otherwise, you have to bring it to Sony and tell them their phone died on you.
Right now It dosen't even blink with Led. It's totaly down. I cant lock fbootloader, so I'm doomned. Hope that won't cost much...
Install Sony Update Service (SUS) and try to recover your phone from there.
Last shot here, but here's to hoping that the PC at least detects your phone.
Otherwise.... Yeah =\
If you unlocked your bootloader Pc companion will be useless for you cause it will not detect your phone,.,,
i think other way is to flash the stock ftf for you device using flashtool.... that wuld be the best shot for you...
please respond if this fix your problem
No, SUS will detect, but will refuse to flash. It will say "Phone has been modified".
Need to see whether it's a hard brick. If even SUS does not recognise, then bring it to Sony =\
None of the above works. It's just dead and sometimes flashes red light. PC Companion says that there's no phone connected. Hope I will be able to gain a varranty or I'll be on Nokia 3310. But I'm not verry cheerful about that...
Flashtool does not react when I plug in my phone in fastboot or flash.
Hey bro,
Its highly unlikely for hardbrick to happen to Sony phones by flashing a differnt Kernel when Flashtool is there Pretty sure that it ought to work, follow the steps below (Note that the order of usb cable connection is the most important thing as doing it wrong will not allow Flashtool to connect to the phone when its bricked ! )
First, try plugging it in to charger for a while to ensure that there's some charge. Follow up with the Vol and power Button to make sure its turned off. Then after that follow this procedure *exactly*
1) Prepare Flashtool and select the FTF. (Flashmode )
2) When flashtool asks yo to connect the phone, connect the USB cable to PC
3) Then, holding down ONLY the Vol Down button (No Power button, Note that ) connect the phone to the USB cable and in a few seconds, Flashtool will start flashing
I know you tried many variations but missing out on one or the other detail during your previous tries might have caused the lack of success Just try it and let us know what happens
Best of luck and hope you dont have to go to Nokia World !
Cheers
Nope, it's still not working. It just dosent detect phone. I'm pluging in, holding only volume key and I'm waiting 5 minutes - nothing happend.
Nokia 5530 for now, but come one...
Hi,
I am currently having the same problem (I have bricked my sola by flashing with fxp boot.img). After digging the internet I found out that you can start fastboot by:
1. holding all 3 buttons (power on, volume +, volume -)
2. the phone will vibrate
3. the phone will vibrate 3 times
4. release the buttons
5. hold the volume + button and plug in the cable
6. you should be in fastboot now (blue light on)
If fastboot does not work then do 1-4 3x. Good luck! Hopefully we will unbrick our phones
Br,
Wermesz
wermesz said:
Hi,
I am currently having the same problem (I have bricked my sola by flashing with fxp boot.img). After digging the internet I found out that you can start fastboot by:
1. holding all 3 buttons (power on, volume +, volume -)
2. the phone will vibrate
3. the phone will vibrate 3 times
4. release the buttons
5. hold the volume + button and plug in the cable
6. you should be in fastboot now (blue light on)
If fastboot does not work then do 1-4 3x. Good luck! Hopefully we will unbrick our phones
Br,
Wermesz
Click to expand...
Click to collapse
Lol things u get on the internet!!!
First there is no such key combination to start fastboot k so just dun break ur buttons in an attempt to start it ...
Steps 1,2&3 are steps to get ur device force restart and force shutdown and let me tell you one thing
step 1 is wrong it power button and volume + button. That's it first the phone will vibrate once for force restart and if u keep pressing it will bypass over to force shutdown which is indicated by 3 vibrations..
Sent from my Xperia Sola using xda premium
could work
I have a Xperia U and triying to port JB to it I briked two or three times.
I hold power botom and it vibrate and doesnt happen anything ok.?¿
The possible solution could be this(for my works)
Charge the phone like 1 hour for my doesnt charge with the animation but its for security.
With the nest steps you are going to lose all CWM and tweaks and apks but personal data still there.
You have two options:
Flash a new rom with flashtool, but when you pluged with volum - you hold it for allmost all process becose for my i conect to PC and its goes quikly so i cant do annything.
If the phone is not recognised by Flashtool:
You have to repair it with PC Companion or Bridge for Mac, and also the same hold volum - almost all process.
For my it works, tell my if for you works:cyclops::cyclops::cyclops:
Hi,
it worked !
after doing the steps I have posted earlier I managed to flash my xperia sola with the right boot.img (the one from fxp pepper) and install fxp via CWM. Should work for you too.
One tip: you have to remove the assert from fxp installation script.
Br,
Wermesz
@op, your battery is dead and isn't accepting any external charge. Try replacing your battery with a charged one. That is if sola supports user replaceable batteries.
Sent from my ST25i using xda app-developers app

Bootloop after Super SU update

Hello,
I rooted my Xperia M2 phone with EagleRoot 2 days ago. Due to problems with some apps that doesn't accept to write on SD, I updated the Super SU. Then, SuperSu show me a message that I need to update the binary. I choose Normal (I don't have a recovery menu), and then, reboot in loop. I tried to do a software repair in Xperai Companion, indications from here (ADB doesn't detect the phone), to boot on recovery menu, .... nothing ! I've read that install the 2.79 version permit to resolve the problem. How to install it ?
Any chance to save my phone ?
. Try to (soft) reset it. There is a very small red button next to the SIM card slot. You would need a needle or something that small to push it.
I use it to stop the loop, but it's not efficient to repair the problem :/ If I power on the phone, it goes again in loop.
That bootloop I think is because you didn't unlocked bootloader first . Try to use that button again and once is go off quick hold just Volume Down button and connect phone with pc to see if is recognized as fastboot device .
no, i have never unlock the bootloader to root it.
How long to press volume down button ? What I do : I power on the phone, press the reset button, press immediately the volume down and connect the phone to PC while volume down is pressed. One time, I had "SOMC Flash installed" on Windows 7. I don't know if I press correctly the volume down button, but when I do that, after around a minute, the phone restart.
If it's recognised as a somc flash device leave it charging overnight(at least this way you know the battery should be fully charged) and try unistalling then reinstalling Sony pcc and connect the M2(this should install the drivers) if you can get it to recognise the device a software repair should be possible if it's a stock device.
If nothing helps , turn Off the cell phone , Hold Vol+ and Power button and plug usb and see if is detected , when is being detected then release boot keys and try to use Sony PC Companion Latest Version in order to do Software Repair , also look if is recognised as adb devices : or fastboot devices: .
Companion cannot recognize it, but I can pass in flashmode in FlashTool By Androxyde

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