[Sony Xperia L] Navneet Suresh:
Hey guys am here to show you basically how to use a flash tool with our Xperia L :) :D​

Q. So why is a flash tool needed....

-> hmm, for flashing roms... yeah of-course and also to unlock/re-lock bootloaders.

Note :

[COLOR="Red"] Disadvantages of unlocking bootloader? ( Doesn't matter if you have backed up your TA)
>> You may void your warranty.

>> You may loose some proprietary vendor software such as Bravia Engine, Download Music info etc. due to removal of DRM security keys.

>> OTA updater may refuse to update your device and pop up a 'Device's software modified' message.[/COLOR]

>> I and XDA will not be held responsible for the damage you may do to your phone.

>> So lets get started :

>> First of all download flashtool from : Search it / Google it

>>Then, Install it.

>> After that run your flashtool.

>> Then, If you want to unlock your bootloader then proceed with following steps :

>> Check unlocked bootloader :

>> Go to dialer

>> Type *#*#7378423#*#*

>> Service info > Configuration

>> Rooting status :

>>"Bootloader unlock allowed" - You can unlock your bootloader [After unlocking Bootloader unlock done :D]

>> "Bootloader unlock not allowed" - You cannot unlock your bootloader.

>> Search for Unlock bootloader Sony [Official site]

>> Then follow the instructions and receive unlock code.

>> Then go to flashtool and click BLU button

Then, Power off your phone.

>> After that connect you phone via usb simultaneously press volume down button

>> No indicator will glow

>> You have successfully connected your phone via Flashmode.

>> Flashtool put your unlock code.

>>>

Woah!!! You Bootloader is Unlocked

:laugh: :D

>>> How to Re-Lock your bootloader :

>> Follow the above steps

>> Connect your phone in Flashmode

>> Then press BLU button in Flashtool

>> Then Press Relock [Hope you are in stock room and on stock kernel or else u will get bootloop.]

Note : I am also going to post a tut on how to flash stock rom via Flashtool.[With Stock Rom link Stock ROM XDA Thread added if you want]

Q. How to flash Stock Rom via Flash tool its easy just follow these steps : :D

♠ Power off your phone [Keep it in power off mode [Till you setup the flash tool.] After setting up Press Vol Down Button simultaneously connect it via USB to PC it will get into flash mode :D [Drivers must be installed forehand or else computer may not recognize it ]

♠ Then go to your flash tool folder[Where you installed the flash tool.]

♠ Copy the C2105_15.0.A.1.31_CE.ftf to [Flash tool folder] firmware folder for example : [C:\Flashtool\firmwares ]

♠ Then, start your flash tool

♠ Press the flash button, Select flash mode

♠ Select the firmware & Leave all the settings as it is i.e. wipe data and cache selected, Select No final verification[I selected it, i don't know whats the use of it can anybody tell me ?? :D ] [After searching google i got this answer : It will check whether any error occurred during flashing, i had disabled it when flashing stock rom on my phone. so idont know what happens when we keep it unchecked.]

♠ The flash tool will setup files and start flashing, Don't touch your phone or press any button.

♠ Hurray you have successfully recovered your phone back to stock state. :D :highfive: :fingers-crossed:

• Thanks & Credits : Androxyde & Flash Tool Xperia Z Thread

>> If this Thread Helped you Press Thanks Button !! It encourages me !! <<