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[unlock bootloader] [Relock bootloader] [Xperia e ss] [other Xperia] [noob friendly]

this guide is for anyone having trouble unlockin bootloader.
note: unlocking bootloader voids your warranty but hey you can relock your bootloader and your phone is under warranty once again
note : after unlocking bootloader of Xperia e c1504/1505 c1504 goes into bootloop and in some cases c1505 also faces bootloop.so backup all your data.
1)- open the dialler
and enter *#*#7378423#*#* to access
the service menu. In your device, tap Service info >
Configuration > Rooting Status . If
Bootloader unlock allowed says Yes,
then you can continue unlocking your phone..
if its no then please stop and don't try the next steps.
2)- go to developer options in your phone and enable usb debugging and in security options tick on allow installation of non market apps.
3)- download http://adbdriver.com/upload/AdbDriverInstaller.exe and install adb drivers installer on pc,open it and connect your phone to pc and install the adb drivers.
4)- download flashtool http://androxyde.github.io/index.html?1350585408000 and install on pc.
5)-open flashtool folder>flash tool drivers>flash tool drivers and then select fastboot drivers and flashmode drivers and install them.
6)- download http://www.androidfilehost.com/?fid=9390169635556426292 and extract it adb_fastboot_and_other_tools.zip and place in on your desktop/any other drive.
7)- go here http://unlockbootloader.sonymobile.com/node/add/ubs-request?token=eff07a162ac0f98cb19eae2b99647ffc .
fill your details and then check your email inbox for bootloader key.
8)- Turn off your device.On your device, hold the volume up at the same time as
you connect the device to the computer
with a USB-cable. (volume up is the fastboot button)
9)- on your pc start>type cmd and open a command prompt and navigate to adb_fastboot_and_other_tools folder . if you don't know how to use a command prompt then. see this http://m.youtube.com/watch?client=mv-google&gl=IN&hl=en-GB&v=foYsmpDrYjY&fulldescription=1
10)- Enter 'fastboot.exe -i 0x0fce getvar' without the single qoutes in the command prompt and verify that you get a
response back (for example "0.3"). This
means your device is connected
properly.
11)- enter 'fastboot.exe -i 0x0fce oem unlock
0xKEY' ,without single quotes where KEY is the unlock boot
loader key you got in step 7 .. after doing this you will get reply as done on pc and your bootloader will be unlocked.
using the above instructions you can unlock other Xperia also which has bootloader unlock allowes to be yes.backup your data before unlocking.only the fastboot buttons will vary. you can get it here -
http://unlockbootloader.sonymobile.com/fastboot-buttons
steps precisely for Xperia e c1504/1505 facing bootloop after unlocking bootloader -
1)- download stock ftf file https://docs.google.com/file/d/0B_d8uWGbkaetNS13Mmk4WEhrUTA/edit?pli=1 and copy it in flashtool>firmwares.
2)open flashtool click thunder icon select flash mode and select the stock ftf.
3)- connect Xperia e as shown in step 8 but with. holding volume down button instead of volume up. you will get a green led
4)- original firmware will get flashed and initial startup will take about 5 minutes. so be patient.
steps for relocking Xperia e bootloader
1)- download https://docs.google.com/file/d/0B_d8uWGbkaetYmh2V0l5Q0dFQW8/edit?usp=sharing
2)- flash it in same way as you flashed the original firmware..
note)- after relocking bootloaDer//on a locked bootloader if you face bootloop then use Sony update engine (download from official website) to flash original firmware.
hope my thread helps.
here is the video https://www.youtube.com/watch?v=V2D6XDLXsuw

[Q] Unlocking bootloader with a Mac...
thanks for the post. ive been reading hundreds of pages here in preparation to root my phone (XPERIA E/c1504.) i know that unlocking the bootloader is step one, so your guide is pretty helpful, but i'm on a mac! does this change any part of the process?
3)- download ADBDRIVER and install adb drivers installer on pc,open it and connect your phone to pc and install the adb drivers.
4)- download flashtool ANDROXYDE and install on pc.
i know i can get androxyde for mac, but is there a mac version of the adbdriver program?
7)- go here SONYMOBILE .
fill your details and then check your email inbox for bootloader key.
if you contact sony for the bootloader key, unlock, then lock back if you have to return it to them for warranty issues, etc., won't they know since you had to get the key from them?
thanks for your help! im a definite beginner but learning a lot from this site!

The latest Flashtool (v0.9.11.0) has "BLU" menu to make Lock/Unlock bootloader more easier.
the simple step :
1. Set up Flashtool to be ready for your device.
2. Refer to the SONY link provided in OP, and get your bootloader key
3. Connect your phone to Flashtool.
4. Click the "BLU" and follow the step.
hope that work for Xperia E,.

TR26 said:
thanks for the post. ive been reading hundreds of pages here in preparation to root my phone (XPERIA E/c1504.) i know that unlocking the bootloader is step one, so your guide is pretty helpful, but i'm on a mac!
Dude,u necessarily don't have to unlock bootloader... If u need root.(just root.nothing else).
Click to expand...
Click to collapse

syed.zeshan said:
this guide is for anyone having trouble unlockin bootloader.
Note: Unlocking bootloader voids your warranty but hey you can relock your bootloader and your phone is under warranty once again
note : After unlocking bootloader of xperia e c1504/1505 c1504 goes into bootloop and in some cases c1505 also faces bootloop.so backup all your data.
1)- open the dialler
and enter *#*#7378423#*#* to access
the service menu. In your device, tap service info >
configuration > rooting status . If
bootloader unlock allowed says yes,
then you can continue unlocking your phone..
If its no then please stop and don't try the next steps.
2)- go to developer options in your phone and enable usb debugging and in security options tick on allow installation of non market apps.
3)- download http://adbdriver.com/upload/adbdriverinstaller.exe and install adb drivers installer on pc,open it and connect your phone to pc and install the adb drivers.
4)- download flashtool http://androxyde.github.io/index.html?1350585408000 and install on pc.
5)-open flashtool folder>flash tool drivers>flash tool drivers and then select fastboot drivers and flashmode drivers and install them.
6)- download http://www.androidfilehost.com/?fid=9390169635556426292 and extract it adb_fastboot_and_other_tools.zip and place in on your desktop/any other drive.
7)- go here http://unlockbootloader.sonymobile.com/node/add/ubs-request?token=eff07a162ac0f98cb19eae2b99647ffc .
Fill your details and then check your email inbox for bootloader key.
8)- turn off your device.on your device, hold the volume up at the same time as
you connect the device to the computer
with a usb-cable. (volume up is the fastboot button)
9)- on your pc start>type cmd and open a command prompt and navigate to adb_fastboot_and_other_tools folder . If you don't know how to use a command prompt then. See this http://m.youtube.com/watch?client=mv-google&gl=in&hl=en-gb&v=foysmpdryjy&fulldescription=1
10)- enter 'fastboot.exe -i 0x0fce getvar' without the single qoutes in the command prompt and verify that you get a
response back (for example "0.3"). This
means your device is connected
properly.
11)- enter 'fastboot.exe -i 0x0fce oem unlock
0xkey' ,without single quotes where key is the unlock boot
loader key you got in step 7 .. After doing this you will get reply as done on pc and your bootloader will be unlocked.
Using the above instructions you can unlock other xperia also which has bootloader unlock allowes to be yes.backup your data before unlocking.only the fastboot buttons will vary. You can get it here -
http://unlockbootloader.sonymobile.com/fastboot-buttons
steps precisely for xperia e c1504/1505 facing bootloop after unlocking bootloader -
1)- download stock ftf file https://docs.google.com/file/d/0b_d8uwgbkaetns13mmk4wehruta/edit?pli=1 and copy it in flashtool>firmwares.
2)open flashtool click thunder icon select flash mode and select the stock ftf.
3)- connect xperia e as shown in step 8 but with. Holding volume down button instead of volume up. You will get a green led
4)- original firmware will get flashed and initial startup will take about 5 minutes. So be patient.
Steps for relocking xperia e bootloader
1)- download https://docs.google.com/file/d/0b_d8uwgbkaetymh2v0l5q0dfqw8/edit?usp=sharing
2)- flash it in same way as you flashed the original firmware..
Note)- after relocking bootloader//on a locked bootloader if you face bootloop then use sony update engine (download from official website) to flash original firmware.
Hope my thread helps.
Thank you.
Click to expand...
Click to collapse
**** man....i tried unlocking and then it said finished....now in ****i* bootloop....now what to do...i'm not a pro in these...please someone help

mathewsj114 said:
**** man....i tried unlocking and then it said finished....now in ****i* bootloop....now what to do...i'm not a pro in these...please someone help
Click to expand...
Click to collapse
I have already mentioned the steps to follow if you face bootloop on Xperia e.. please read the complete post

TR26 said:
thanks for the post. ive been reading hundreds of pages here in preparation to root my phone (XPERIA E/c1504.) i know that unlocking the bootloader is step one, so your guide is pretty helpful, but i'm on a mac! does this change any part of the process?
3)- download ADBDRIVER and install adb drivers installer on pc,open it and connect your phone to pc and install the adb drivers.
4)- download flashtool ANDROXYDE and install on pc.
i know i can get androxyde for mac, but is there a mac version of the adbdriver program?
7)- go here SONYMOBILE .
fill your details and then check your email inbox for bootloader key.
if you contact sony for the bootloader key, unlock, then lock back if you have to return it to them for warranty issues, etc., won't they know since you had to get the key from them?
thanks for your help! im a definite beginner but learning a lot from this site!
Click to expand...
Click to collapse
here you go for adb for mac - http://forum.xda-developers.com/showthread.php?t=1917237
.
okay your next question is quite good. first when I unlocked my bootloader and faced bootloop. I got my phone a Sony service centre. the guy there took my phone on warranty and tried to reinstall software through sus (works only on locked bootloader). then when he was unsuccessful he told me software modified and I got my phone back
so I don't think you will have any issue with warranty.
you can get any Xperia phone's bootloader key in your inbox just by knowing its imei.
so no issues at all.
P.S : rooting can also be done on a locked Xperia e

Syed.Zeshan said:
I have already mentioned the steps to follow if you face bootloop on Xperia e.. please read the complete post
Click to expand...
Click to collapse
Are u kidding...u mean to flash with the ftf.of C1504...dude mine is C1604 dual.....
Anyway I flashed by creating ftf from pc companion
.
And all these,steps are UN necessary..I unlocked my bootloader with flashtool..
Sent from my C1604 using xda app-developers app

Can someone reupload the stock .ftf file please? the one posted here is not available anymore.

Valentin55 said:
Can someone reupload the stock .ftf file please? the one posted here is not available anymore.
Click to expand...
Click to collapse
the link is working. i have checked it right now.

Syed.Zeshan said:
I have already mentioned the steps to follow if you face bootloop on Xperia e.. please read the complete post
Click to expand...
Click to collapse
dude i tried the steps you have mentioned but according to the official website of sony after unlocking the bootloader of the 2013 devices the factory data formats and also the settings due to which during flashing the stock rom the flashtool fails and shows that device is connected without usb debugging. now you tell me what should i do.

aahanable said:
dude i tried the steps you have mentioned but according to the official website of sony after unlocking the bootloader of the 2013 devices the factory data formats and also the settings due to which during flashing the stock rom the flashtool fails and shows that device is connected without usb debugging. now you tell me what should i do.
Click to expand...
Click to collapse
Buddy check my thread.. Might find something useful
Wrote that after getting bootloop...
http://forum.xda-developers.com/showthread.php?t=2352081
Sent from my C1604 using xda app-developers app

mathewsj114 said:
Buddy check my thread.. Might find something useful
Wrote that after getting bootloop...
http://forum.xda-developers.com/showthread.php?t=2352081
Sent from my C1604 using xda app-developers app
Click to expand...
Click to collapse
i couldn't find anything useful in ur post sorry to say that but as i said after unlocking the bootloader the factory data formatted and usb debugging was disabled due to which flashtool is not able to read my phone during flashing and hence cannot flash the stock ftf file. now what should i do

aahanable said:
i couldn't find anything useful in ur post sorry to say that but as i said after unlocking the bootloader the factory data formatted and usb debugging was disabled due to which flashtool is not able to read my phone during flashing and hence cannot flash the stock ftf file. now what should i do
Click to expand...
Click to collapse
Dude to flash stock ftf you need not enable usb debugging.
Power off, click flash, connect phone in flashmode..
Have u flashed your phone before?
Sent from my C1604 using xda app-developers app

mathewsj114 said:
Dude to flash stock ftf you need not enable usb debugging.
Power off, click flash, connect phone in flashmode..
Have u flashed your phone before?
Sent from my C1604 using xda app-developers app
Click to expand...
Click to collapse
no dude this is the first time i have done it i have bought it just two months ago and now i want it to be rooted as i know what all potential my phone is having if i get full control on it i have done all these stuff with samsung devices which generally dont have bootloader. But now i am not able to do anything plz help:crying::crying:

aahanable said:
no dude this is the first time i have done it i have bought it just two months ago and now i want it to be rooted as i know what all potential my phone is having if i get full control on it i have done all these stuff with samsung devices which generally dont have bootloader. But now i am not able to do anything plz help:crying::crying:
Click to expand...
Click to collapse
Dude in that thread it is clearly explained how to flash your phone with ftf..click thunder select flashmode,select ftf,click flash, wait till it asks you to connect device,power off connect in flashmode....
If u have done these steps correctly u won't have any problems
Sent from my C1604 using xda app-developers app

Found this guide to make a Rom from ftf...might be useful
http://forum.xda-developers.com/showthread.php?t=1849867&nocache=1
Hit the thanks button..it does not cost you anything.
it's worth something for me...
sent from my Sony Xperia e dual

plz i have xperia e and im stuck on step 10 it gives me (waiting for device) what i do

Syed.Zeshan said:
this guide is for anyone having trouble unlockin bootloader.
note: unlocking bootloader voids your warranty but hey you can relock your bootloader and your phone is under warranty once again
note : after unlocking bootloader of Xperia e c1504/1505 c1504 goes into bootloop and in some cases c1505 also faces bootloop.so backup all your data.
1)- open the dialler
and enter *#*#7378423#*#* to access
the service menu. In your device, tap Service info >
Configuration > Rooting Status . If
Bootloader unlock allowed says Yes,
then you can continue unlocking your phone..
if its no then please stop and don't try the next steps.
2)- go to developer options in your phone and enable usb debugging and in security options tick on allow installation of non market apps.
3)- download http://adbdriver.com/upload/AdbDriverInstaller.exe and install adb drivers installer on pc,open it and connect your phone to pc and install the adb drivers.
4)- download flashtool http://androxyde.github.io/index.html?1350585408000 and install on pc.
5)-open flashtool folder>flash tool drivers>flash tool drivers and then select fastboot drivers and flashmode drivers and install them.
6)- download http://www.androidfilehost.com/?fid=9390169635556426292 and extract it adb_fastboot_and_other_tools.zip and place in on your desktop/any other drive.
7)- go here http://unlockbootloader.sonymobile.com/node/add/ubs-request?token=eff07a162ac0f98cb19eae2b99647ffc .
fill your details and then check your email inbox for bootloader key.
8)- Turn off your device.On your device, hold the volume up at the same time as
you connect the device to the computer
with a USB-cable. (volume up is the fastboot button)
9)- on your pc start>type cmd and open a command prompt and navigate to adb_fastboot_and_other_tools folder . if you don't know how to use a command prompt then. see this http://m.youtube.com/watch?client=mv-google&gl=IN&hl=en-GB&v=foYsmpDrYjY&fulldescription=1
10)- Enter 'fastboot.exe -i 0x0fce getvar' without the single qoutes in the command prompt and verify that you get a
response back (for example "0.3"). This
means your device is connected
properly.
11)- enter 'fastboot.exe -i 0x0fce oem unlock
0xKEY' ,without single quotes where KEY is the unlock boot
loader key you got in step 7 .. after doing this you will get reply as done on pc and your bootloader will be unlocked.
using the above instructions you can unlock other Xperia also which has bootloader unlock allowes to be yes.backup your data before unlocking.only the fastboot buttons will vary. you can get it here -
http://unlockbootloader.sonymobile.com/fastboot-buttons
steps precisely for Xperia e c1504/1505 facing bootloop after unlocking bootloader -
1)- download stock ftf file https://docs.google.com/file/d/0B_d8uWGbkaetNS13Mmk4WEhrUTA/edit?pli=1 and copy it in flashtool>firmwares.
2)open flashtool click thunder icon select flash mode and select the stock ftf.
3)- connect Xperia e as shown in step 8 but with. holding volume down button instead of volume up. you will get a green led
4)- original firmware will get flashed and initial startup will take about 5 minutes. so be patient.
steps for relocking Xperia e bootloader
1)- download https://docs.google.com/file/d/0B_d8uWGbkaetYmh2V0l5Q0dFQW8/edit?usp=sharing
2)- flash it in same way as you flashed the original firmware..
note)- after relocking bootloaDer//on a locked bootloader if you face bootloop then use Sony update engine (download from official website) to flash original firmware.
hope my thread helps.
thank you.
Click to expand...
Click to collapse
i am stuck in that bootloop + ur link is dead....reply fast

Syed.Zeshan said:
the link is working. i have checked it right now.
Click to expand...
Click to collapse
that link is no more working...plz help
---------- Post added at 03:58 AM ---------- Previous post was at 03:54 AM ----------
freekinevil10 said:
Search on google "e dual 4shared .ftf"and download it will be approx 384mb file and flash it via flashtool.
Thank me if I helped you.
Sent from my C1604 using Tapatalk
Click to expand...
Click to collapse
my phone is xperia e c1504...will this file work????
---------- Post added at 04:01 AM ---------- Previous post was at 03:58 AM ----------
i am stuck in an xperia e c1504(ss) bootloop......what am i supposed to do??????????and the link mentioned is also dead....help

[Q] Bootloop :(

I was trying to root my xl with motochopper method and in the command window it started deamon service and hung up there so i removed my device from the computer and now it's stuck in bootloop..my sony pc companion can't detect the device What should i do?

Flash a FTF via Flashtool.

damian01211 said:
Flash a FTF via Flashtool.
Click to expand...
Click to collapse
Yep trying that ..will report back in a while

[Q] Disabling MTP Mode and enabling USB Debugging while Phone is Off

Dear Experts,
I Unlocked the Bootloader of My Xperia L using the official Sony way. But after the successful unlocking the Phone is not booting at all. It gets stuck at the Xperia colour theme loading... I gone through various posts and found a solution that I have to Flash my phone using flashtools.
Now I instaled flashtools as well as the required drivers. However when I do the flashing in flash mode, the device disconnects automatically and flashtools says that "make sure you are not in MTP mode". I remember that My phone was in MTP mode when i was unlocking the bootloader and the USB debugging was always on... Now after unlocking bootloader the USB Debugging is showing as off (can be seen in the attached file)
After reading couple more posts about MTP ... I understand that I can't successfully flash unless the phone is out of MTP mode, and USB debugging is on. As my mobile is not booting, I can not go to the settings and tick or untick any of the two.
Please help me with a way to do it. I am attaching a screen print of the flashtools for Ref....
It will be a great relief to me....
Thanks in Advance...

You need to connect your phone is flashmode

TakuyaZ said:
You need to connect your phone is flashmode
Click to expand...
Click to collapse
Every Time I connect the phone in flash mode. once it starts flashing process, the phone automatically disconnects and comes on in normal mode.

elroyjolew said:
Every Time I connect the phone in flash mode. once it starts flashing process, the phone automatically disconnects and comes on in normal mode.
Click to expand...
Click to collapse
i have the same problem here..how can we solve this..i am using Sony Xperia C3

Knightfuryz said:
i have the same problem here..how can we solve this..i am using Sony Xperia C3
Click to expand...
Click to collapse
elroyjolew said:
Dear Experts,
I Unlocked the Bootloader of My Xperia L using the official Sony way. But after the successful unlocking the Phone is not booting at all. It gets stuck at the Xperia colour theme loading... I gone through various posts and found a solution that I have to Flash my phone using flashtools.
Now I instaled flashtools as well as the required drivers. However when I do the flashing in flash mode, the device disconnects automatically and flashtools says that "make sure you are not in MTP mode". I remember that My phone was in MTP mode when i was unlocking the bootloader and the USB debugging was always on... Now after unlocking bootloader the USB Debugging is showing as off (can be seen in the attached file)
After reading couple more posts about MTP ... I understand that I can't successfully flash unless the phone is out of MTP mode, and USB debugging is on. As my mobile is not booting, I can not go to the settings and tick or untick any of the two.
Please help me with a way to do it. I am attaching a screen print of the flashtools for Ref....
It will be a great relief to me....
Thanks in Advance...
Click to expand...
Click to collapse
Make a factory reset

TakuyaZ said:
You need to connect your phone is flashmode
Click to expand...
Click to collapse
how to connect in flashmode without using the buttons?im stock in sony logo and i need to turn on usb debugging to use flashtool

1, the adb drivers aren't installed correctly in your pc
2, don't worry about usb debugging
Just connect the phone to the computer in flash mode by pressing vol down and then plug-in the usb cable to your phone.
Flash tool will recognise it automatically if the drivers are installed correctly
3, then reinstall the stock ROM with flash tool
That's it
You said your device is being disconnected while flashing so
When you start flashing from flash tool start the flashing process
(Without connecting the phone to pc)
After the FTF is extracted flash tool will ask to connect the device
Then just connect your device in flash mode

Nikhil kuttu said:
1, the adb drivers aren't installed correctly in your pc
2, don't worry about usb debugging
Just connect the phone to the computer in flash mode by pressing vol down and then plug-in the usb cable to your phone.
Flash tool will recognise it automatically if the drivers are installed correctly
3, then reinstall the stock ROM with flash tool
That's it
You said your device is being disconnected while flashing so
When you start flashing from flash tool start the flashing process
(Without connecting the phone to pc)
After the FTF is extracted flash tool will ask to connect the device
Then just connect your device in flash mode
Click to expand...
Click to collapse
Hello,
Do you know how to install fastboot or flash mode drivers in Windows 10? Also, the flashtool for me is stuck on "please wait until the end of process", how to make it work?
Note: My device gets recognized in ADB when booted up, but does not when in fastboot or flashmode. (Plugging in cable while pressing vol. down)

Manas1796 said:
Hello,
Do you know how to install fastboot or flash mode drivers in Windows 10? Also, the flashtool for me is stuck on "please wait until the end of process", how to make it work?
Note: My device gets recognized in ADB when booted up, but does not when in fastboot or flashmode. (Plugging in cable while pressing vol. down)
Click to expand...
Click to collapse
the drivers will be on the flash tool folder just open the app then tick drivers for Xperia L (thoshan) and general fast boot drivers.
and use the latest flash tool if you can ( Now I am using a Mac so I have a flash tool which was made for apple. but I used to flash my phone using windows and this is the version of the flash tool "flashtool-0.9.18.5" and this worked fine for me ).
if anything else is needed just reply

[Q] No Flashmode Xperia D2302

Hi Everyone,
I am having an issue since last one month. Researched a lot but nothing helped me.
I tried to flash my xperia m2 dual (D2302) with a custom rom (MIUI V5, from ROMs section). I got the devices booted but when I realized lots of bugs in the ROM, I planned to switch back to stock ROM. I had flashed stock ROM couple of times earlier and so I follow the flash instructions again. I then realized the device is not booting in flashmode. Whenever I am connecting the device while switched off with holding the volume down button, A green led flashes and goes off. The flashtool says
Device connected with USB debugging off.
For 2011 line devices, make sure you are not in MTP mode.
I tried a lot but couldn't resolve the problem. Then I found CM11 nightly build. With that ROM I am using my device but it also has two major issues.
1) Sudden reboots (while chatting or while playing games)
2) No audio after using device for an hour or so after reboot. Reboot solves the problem for an hour but audio goes off again after one or one and half hours.
I want to go back to stock ROM. But unable to do so because of no flash mode.
For information:
1) I am using 64Bit windows 8.1 (I had flashed my xperia d2302 with this machine a couple of times before I flashed MIUI V2)
2) Drivers are properly installed, USB cable changed but not luck
I request everyone with the android development knowledge, please help me out. I am a newbie in this area and so don't know much. Please let me know how can I resolve the flashmode problem or can I revert to stock ROM using a way other than flashmode.
Or if you can tell me how can I fix the CM11 sudden reboot and no audio issues.
Please help me out. Please

The way to get in to flashmode is to make sure your phone is turned OFF , then you just have to connect your phone to a USB while holding volume down.
If you can't get it right this way, you could always try to flash trough fastboot, first of all go to your device information, where you can find your Android version etc. ... tap the build number for like 5-6 times , so the developer options become visible in the options.
Then in the developer option , turn ADB debugging on, connect your device with your computer.
Make sure you got the adb drivers installed and fastboot drivers also for your device.
Whenever your computer connects trough adb with your phone, you gotta allow the connection by allowing it on your phone. (There will be a pop-up screen).
Then you gotta make sure you got Android SDK installed, there will be a map called SDK, open it and then open the platform-tools map.
Move your kernel, recovery, and system images you want to install into this map too. ( Take one which is able to boot in Flashmode)
Then you gotta open up a command window. My path to the map is C:\SDK\Platform-tools, to get to the map you use the cd command, like this:
cd C:\SDK\platform-tools
then first of all make sure you got a backup of all your images etc. just in case....
in the command window type,
adb reboot fastboot
then these ones (all seperatly):
fastboot flash system system.img
fastboot flash boot boot.img
fastboot flash recovery recovery.img
After it is done succesfull you can type
fastboot reboot
You can try to be quick and allready press the volume down button to boot in flashmode.
Otherwise you gotta turn off your phone and try it again.
Hope to hear it works....

Xperia devices use FTF files for flashing. I don't have the stock boot.img and I am unable to get it.
I extracted the FTF but I got lots of sin files. I don't know how can I create boot.img from these.
Do you have any idea about it? Or if you have boot.img for Xperia D2302, please post me link for the same.
Thanks for the reply.
Sent from my Xperia M2 Dual using XDA Free mobile app

markandeyp said:
Xperia devices use FTF files for flashing. I don't have the stock boot.img and I am unable to get it.
I extracted the FTF but I got lots of sin files. I don't know how can I create boot.img from these.
Do you have any idea about it? Or if you have boot.img for Xperia D2302, please post me link for the same.
Thanks for the reply.
Sent from my Xperia M2 Dual using XDA Free mobile app
Click to expand...
Click to collapse
You don't have to extract anything, load whole ftf in Flashtool and leve unchecked Kernel (if that's what you want to flash) you'll flash only Kernel.
Xperia M2 D2303 on K.K. 4.4.4

Thanks for reply dzepar. But I am not able to get in flashmode. How can I flash kernel from ftf using fastboot.
Sent from my Xperia M2 Dual using XDA Free mobile app

markandeyp said:
Thanks for reply dzepar. But I am not able to get in flashmode. How can I flash kernel from ftf using fastboot.
Sent from my Xperia M2 Dual using XDA Free mobile app
Click to expand...
Click to collapse
What's the problem? What Windows you use? Does your phone get recognized by pc(do you have all drivers instaled)? Do you have PC companion installed?
If you do, there is power off button by the sim card, press it then try to connect usb while holding volume down.
Try to repair your phone with PC companion. Then see if the problem is solved.
Good Luck!
Xperia M2 D2303 on K.K. 4.4.4

Yes. The phone is being detected by PC. I am able to get into fastboot mode but not in flash mode.
Pc Companion is installed. I am using windows 8 64 bit. Drivers are installed properly. I tried repairing the phone with pc companion but it is not detecting the phone while repairing.
May be the boot partition is corrupted. What recovery are you using? If you are using cwm then can you send me the boot.img from the stock rom cwm backup?
This may solve my problem.
Sent from my Xperia M2 Dual using XDA Free mobile app

markandeyp said:
Yes. The phone is being detected by PC. I am able to get into fastboot mode but not in flash mode.
Pc Companion is installed. I am using windows 8 64 bit. Drivers are installed properly. I tried repairing the phone with pc companion but it is not detecting the phone while repairing.
May be the boot partition is corrupted. What recovery are you using? If you are using cwm then can you send me the boot.img from the stock rom cwm backup?
This may solve my problem.
Sent from my Xperia M2 Dual using XDA Free mobile app
Click to expand...
Click to collapse
I'm using This recovery and i have D2303, but i fi it help you here is my boot.img.
I think you have problem with flashmode drivers or your usb cable. I had problem with stock Sony's usb cabele now i'm using 10cm cable from Nokia that i had
Good Luck.

Hi Dzepar,
The link to boot.img is taking me to some apk location. Can you please check once.
Sent from my Xperia M2 Dual using XDA Free mobile app

markandeyp said:
Hi Dzepar,
The link to boot.img is taking me to some apk location. Can you please check once.
Sent from my Xperia M2 Dual using XDA Free mobile app
Click to expand...
Click to collapse
Sorry for that, try this

For All The Xperia M2 Models Who Are Unable To Boot Into Flashmode
Connect One End Of Usb 2 Ur PC...open flashtool select ur ftf....Click on flash...Wen the Wizard Or Animation Of "CONNECT UR PHONE INTO FLASHMODE" appears.. connect other end of usb to ur phone...
DO NOT CONNECT BEFORE THE FLASHTOOL PROMPTS U TO CONNECT....THE GREEN LIGHT GOES OFF IF U CONNECT BEFORE IT ANd Ur Phone Wont Go Into Flashmode

shaikhnabil4 said:
Connect One End Of Usb 2 Ur PC...open flashtool select ur ftf....Click on flash...Wen the Wizard Or Animation Of "CONNECT UR PHONE INTO FLASHMODE" appears.. connect other end of usb to ur phone...
DO NOT CONNECT BEFORE THE FLASHTOOL PROMPTS U TO CONNECT....THE GREEN LIGHT GOES OFF IF U CONNECT BEFORE IT ANd Ur Phone Wont Go Into Flashmode
Click to expand...
Click to collapse
Hi, Thanks for reverting.
It's not working.

Dzepar said:
Sorry for that, try this
Click to expand...
Click to collapse
Hi Dzepar,
After a long time am reverting back. I am still facing the same issue. The boot image that you sent is not being installed. It's saying "not a valid boot image".
Are you still using M2 Dual?
If yes, Can you send me a fresh CWM backup of your ROM so that I can make my phone usable. Please.

markandeyp said:
Hi Dzepar,
After a long time am reverting back. I am still facing the same issue. The boot image that you sent is not being installed. It's saying "not a valid boot image".
Are you still using M2 Dual?
If yes, Can you send me a fresh CWM backup of your ROM so that I can make my phone usable. Please.
Click to expand...
Click to collapse
I have D2303 Sorry

markandeyp said:
Thanks for reply dzepar. But I am not able to get in flashmode. How can I flash kernel from ftf using fastboot.
Sent from my Xperia M2 Dual using XDA Free mobile app
Click to expand...
Click to collapse
Just try to find the right driver for flashmod to your windows version
I had the same problem on my d2302 and i found driver for flashmod then i lost fastboot driver and flash tft its working good ... Sorry for my bad language ?

Try power off, then hold vol up whilst connecting to pc it should install the required drivers
D2303 18.3.1.C.1.15 kk deodexed, rooted, philz touch recovery, xposed, z1 bravia engine 2 + x-reality+ z3 super vivid, viper audio

On Flashtool page in FAQ, there is great tutorial (with pictures) how to install drivers on Windows 8.1.
Xperia M2 D2303 on K.K. 4.4.4

[Q] ADB not working for E3

I can use fastboot on my computer to flash .img files on my E3, but I can't seem to get ADB working. Do I need extra drivers? Or am I doing something wrong?

PJMOR said:
I can use fastboot on my computer to flash .img files on my E3, but I can't seem to get ADB working. Do I need extra drivers? Or am I doing something wrong?
Click to expand...
Click to collapse
Hey man go http://forum.xda-developers.com/showthread.php?t=2635830
Download Flashtool Drivers choose Flashmode Drivers, Fastboot Drivers and Xperia Z2 Device Driver same driver E3.

Koshigawa said:
Hey man go http://forum.xda-developers.com/showthread.php?t=2635830
Download Flashtool Drivers choose Flashmode Drivers, Fastboot Drivers and Xperia Z2 Device Driver same driver E3.
Click to expand...
Click to collapse
I have already installed those drivers (I think). Aren't those the same that come with the flashtool itself?

PJMOR said:
I have already installed those drivers (I think). Aren't those the same that come with the flashtool itself?
Click to expand...
Click to collapse
That's it. It appears a device in the Windows Device Manager ?That's it. It appears a device in the Windows Device Manager ? If you see the use zip files attached below to manually add by clicking Device Properties of driver in the manager