Guys, Freack from 4pda.ru already made a root solution!
People tested that and it's a fully working solution - implementation is in full progress among 4pda users in the E3 discussion topic on 4pda.
The original link is http://4pda.ru/forum/index.php?showtopic=600942&view=findpost&p=36245601
The original instruction in Russian was written by valeron_575 from 4pda.ru.
Below you can see my translation.
0. Two kernels - for 2203 and 2212 respectively.
1. Both kernels supplied with a working CWM.
2. Both kernels work only on unlocked bootloader (no possibility to get root on a locked bootloader or so says the author).
3. Full root. RIC disabled.
HOW TO UNLOCK YOUR BOOTLOADER!
0. Java Runtime Machine has to be present in the system
1. Download Flashtool and install it - preferably to C:\ (I mean the root of partition C)
1.1 Go to \Flashtool\drivers\Flashtool-drivers.exe and install the drivers!
1.2 Open Flashtool
2 Press "BLU" button and it'll say you gotta now switch off your phone and then press and hold Volume Down(-) and plug it to your PC (thus making it go into flashmode)
4. After flashing process starts you'll see another window on the right, though, without any instruction - then you unplug your device from the PC and pressing and holding Volume Up(+) plug it in back again.
5. Now you'll see a window where your IMEI is shown to you. At this step you are going to get the unlock code - press "get unlock" and you'll be redirected to the internet browser to the page with Sony official bootloader unlocking option. On that page choose from the drop list your model (XPERIA E3 - non-regarding what you have 2212 or 2203), type in your email, put the tick at the bottom and go check your email now.
6. In the email received there will be a link to the page where you'll be asked to type in your IMEI (it's back in Flashtool) - copy and past it (or simply type it in) and put two ticks at the bottom
7. Now you're on the next page where you'll be given the unlocking code. Copy and paste it into the Flashtool window where it asks for it and finally press "Unlock".
8. Read Flashtool log files after it's done and if you see in the last three messages "FAILED" it means you successfully unlocked your bootloader.
NOW HOW TO FLASH THE KERNEL AND APPLY THE ROOT!
1. Download the kernel for your version of the phone - 2212 DUAL or 2203 LTE respectively .
1.1 Download SuperSu in a CWM update archive and put it on your SD card or internal memory
2. Open Flashtool and press the button with the lightning icon. Now put a tick on "fastboot mode".
3. Holding Volume UP (+) plug the phone into your PC.
4. In the newly appeared in Flashtool window press "Select kernel to Flash" and find the kernel *..img file that you downloaded
5. Now flash it (if successful - you'll see it in the 3 last messages in the Flashtool log files; should be successful no problem)
6. Now that flashing is done let's open CWM and flash our SuperSu update! Apparently even at this stage the phone is still plugged to your PC and you keep it this way all the way until everything is done LOL!
6.1 Switch the phone on and right when indication light turns violet/purple press Volume down(-) (or Volume up(+); basically keep pressing them both sequentially a couple of times and have fun LOL)
6.2 Now you're in CWM where you nagivate to "Install zip" section of the menu. Choose "choose zip from", find SuperSu.zip on your device, agree to unzip it (what the **** is this supposed to mean?! I don't remember this option in CWM! I am just translating for you, guys, I don't have the phone)
6.3 Quit CWM now. Press "fix root" (apparently in Flashtool) and reboot the phone.
Now the phone will be adjusting itself for quite a while - no worries. When it finally stopped showing you the boot animation, check if you have root - for example use "root checker" application from the Market!
Enjoy!
Thank you! THANK FREACK FROM 4PDA FOR THIS! Good day to you all, fellas!
P. S.: please, take a look at those two posts made while helping people to solve some problems that may appear during the process!
ADDITIONAL INFO CONSERNING D2206 AND D2243 USERS POINT 1
ADDITIONAL INFO CONSERNING D2206 AND D2243 USERS POINT 2
People tested that and it's a fully working solution - implementation is in full progress among 4pda users in the E3 discussion topic on 4pda.
The original link is http://4pda.ru/forum/index.php?showtopic=600942&view=findpost&p=36245601
The original instruction in Russian was written by valeron_575 from 4pda.ru.
Below you can see my translation.
0. Two kernels - for 2203 and 2212 respectively.
1. Both kernels supplied with a working CWM.
2. Both kernels work only on unlocked bootloader (no possibility to get root on a locked bootloader or so says the author).
3. Full root. RIC disabled.
HOW TO UNLOCK YOUR BOOTLOADER!
0. Java Runtime Machine has to be present in the system
1. Download Flashtool and install it - preferably to C:\ (I mean the root of partition C)
1.1 Go to \Flashtool\drivers\Flashtool-drivers.exe and install the drivers!
1.2 Open Flashtool
2 Press "BLU" button and it'll say you gotta now switch off your phone and then press and hold Volume Down(-) and plug it to your PC (thus making it go into flashmode)
4. After flashing process starts you'll see another window on the right, though, without any instruction - then you unplug your device from the PC and pressing and holding Volume Up(+) plug it in back again.
5. Now you'll see a window where your IMEI is shown to you. At this step you are going to get the unlock code - press "get unlock" and you'll be redirected to the internet browser to the page with Sony official bootloader unlocking option. On that page choose from the drop list your model (XPERIA E3 - non-regarding what you have 2212 or 2203), type in your email, put the tick at the bottom and go check your email now.
6. In the email received there will be a link to the page where you'll be asked to type in your IMEI (it's back in Flashtool) - copy and past it (or simply type it in) and put two ticks at the bottom
7. Now you're on the next page where you'll be given the unlocking code. Copy and paste it into the Flashtool window where it asks for it and finally press "Unlock".
8. Read Flashtool log files after it's done and if you see in the last three messages "FAILED" it means you successfully unlocked your bootloader.
NOW HOW TO FLASH THE KERNEL AND APPLY THE ROOT!
1. Download the kernel for your version of the phone - 2212 DUAL or 2203 LTE respectively .
1.1 Download SuperSu in a CWM update archive and put it on your SD card or internal memory
2. Open Flashtool and press the button with the lightning icon. Now put a tick on "fastboot mode".
3. Holding Volume UP (+) plug the phone into your PC.
4. In the newly appeared in Flashtool window press "Select kernel to Flash" and find the kernel *..img file that you downloaded
5. Now flash it (if successful - you'll see it in the 3 last messages in the Flashtool log files; should be successful no problem)
6. Now that flashing is done let's open CWM and flash our SuperSu update! Apparently even at this stage the phone is still plugged to your PC and you keep it this way all the way until everything is done LOL!
6.1 Switch the phone on and right when indication light turns violet/purple press Volume down(-) (or Volume up(+); basically keep pressing them both sequentially a couple of times and have fun LOL)
6.2 Now you're in CWM where you nagivate to "Install zip" section of the menu. Choose "choose zip from", find SuperSu.zip on your device, agree to unzip it (what the **** is this supposed to mean?! I don't remember this option in CWM! I am just translating for you, guys, I don't have the phone)
6.3 Quit CWM now. Press "fix root" (apparently in Flashtool) and reboot the phone.
Now the phone will be adjusting itself for quite a while - no worries. When it finally stopped showing you the boot animation, check if you have root - for example use "root checker" application from the Market!
Enjoy!
Thank you! THANK FREACK FROM 4PDA FOR THIS! Good day to you all, fellas!
P. S.: please, take a look at those two posts made while helping people to solve some problems that may appear during the process!
ADDITIONAL INFO CONSERNING D2206 AND D2243 USERS POINT 1
ADDITIONAL INFO CONSERNING D2206 AND D2243 USERS POINT 2
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