How to Root LG Optimus L3 E400

By in LG

LG Optimus L3 E400 is now root with this guide. The L3 E400 is good and cheap phone. It comes with 800MHz processor, 1GB internal memory, 350MB RAM and Android 2.3.6 Gingerbread.  There is a tool specially designed for LG Optimus L3 E400 to root. After rooting your phone you can install custom ROM’s and apps that need root access.

lg optimus l3 e400

Disclaimer : We are not responsible for any damages. If any problem happened we will help you to solve it. And also keep in mind rooting your phone is void your warranty.

Pre Requisites to Root LG Optimus L3 E400:

  • Take a backup. The data in your LG L3 E400 won’t be deleted.
  • SMS – How to Backup Messages
  • Contacts – Sync with Gmail App
  • Videos, Images, Songs and Other Files – Copy to internal / External SD card or System
  • APN Settings – Take Manual Note from “Settings > Wireless & Networks > Mobile Networks > Access Point Names“
  • Maintain minimum 60% Charge in your phone.
  • Enable USB Debugging – “Settings > Applications > Development > USB Debugging”

How to root LG Optimus L3 E400:

  • Download the Rooting Script to your PC – Here
  • Connect your phone via USB cable with PC.
  • Extract the downloaded zip.
  • Open the “run.bat” file.
  • Wait for the process finish.
  • Your phone automatically reboots after the process is complete.

You can get all the news about LG Optimus L3 E400 – Here

Now you successfully learnt how to root LG Optimus L3 E400.


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  • Rohit
  • Pericoeldelospalotes

    yes run!thx very much, easy and quickly

    • http://www.ninjaromeo.com/ Panneer Selvan

      Thanks for your feedback.

      • Rafaeljesusmoreira

        how to know if I have root access?

        • http://www.ninjaromeo.com/ Panneer Selvan

          just check your phone, Super User app is installed or not. If the app is installed your phone has rooted successfully.

          • Rafaeljesusmoreira

            where is installed the root and has risks of damage to my smartphone. with the above process.

          • http://www.ninjaromeo.com/ Panneer Selvan

            It just like unlocking a process. It does not install the root. And there is no damages won’t be happen.

          • rafael jesus moreira

            after they started the process this message appears:
            Attempting error persistence …
            error more than emulator
            error more than emulator
            error more than emulator
            more than emulator
            device offline
            device offline
            cleaning up …
            device offline error
            device offline error
            device offline error
            booting …
            device offline error
            error more than one device and emulator
            exploite complete!
            press any key exit
            precione key to continue

          • http://www.ninjaromeo.com/ Panneer Selvan

            Install LG Mobile drivers in PC and make sure you have enabled USB Debugging.

          • rafael jesus moreira

            perfect thank you

          • rafael jesus moreira

            this method is sure to make …
            I have the smartphone alive and want to put the rom of course, as I do that this site is reliable.
            eusouandroid.com

  • Paulina

    How long does it take to root the phone??

    it only said “daemon succesfull” or something like that :S

    • Paulina

      Didn’t work! :(

      • http://www.ninjaromeo.com/ Panneer Selvan

        Normally the waiting process depends upon your PC’s system requirements.What kind of message you receive?

        • http://www.facebook.com/pepe.canteros.7 Pepe Canteros

          There is a black command window that says “DAEMON STARTED SUCCESSFULLY” and still there, nothing happens

    • paulina

      Heeelp!

  • Paulina

    How do i expand the intern memory in a Lg L3??

    • http://www.ninjaromeo.com/ Panneer Selvan

      Currently there is no option is available to extend the internal memory.

      • Rafaeljesusmoreira

        Help please!

        • http://www.ninjaromeo.com/ Panneer Selvan

          what happened?

  • Khimpatricio

    help me no idea for LG E400 OPTIMUS :( just txt me 09052102755

    • http://www.ninjaromeo.com/ Panneer Selvan

      Just follow the steps without failure. If you get any message, say that here.

  • Pauweedsmoker

    cuanto tarda esto?? llevo mas de 15 minutos y se ha reiniciado muchas veces, pero no termina nunca

    • http://www.ninjaromeo.com/ Panneer Selvan

      Yes, the process take some minutes. After restarting did you check your phone whether superuser app is installed or not?

  • http://www.facebook.com/adrian.perez.31586 Adrian Perez

    if i root my optimus and overclock it how much performance can i get out of it? also what is the TOP reason I should root? If you could answer that for me I would be greatful and be willing to donate/subscribe/ or w.e you want :) thanks.

    • http://www.ninjaromeo.com/ Panneer Selvan

      The main reason for rooting is you can install Custom ROMs. Those ROMs have more performance speed, better environment, and more advanced options. And you can install some apps that need a root access. And also you can remove some system apps in your mobile.

      • Guest

        Are there any custom roms available for E400

  • YandeX

    I wanted to know if you can still doing Portable WI-FI hotspot after rooting. And also if after rooting the phone can be unstable or something similar. Thanks

    • http://www.ninjaromeo.com/ Panneer Selvan

      Rooting is just like unlocking your phone to install custom ROM’s or any other apps that need a root access. So, after rooting, wifi hotspot will perfectly work. And don’t in unstable.

  • Andrew Calvert

    is there a way to unroot this device ??

    • http://www.ninjaromeo.com/ Panneer Selvan

      Try the software that mentioned in this article – http://www.ninjaromeo.com/root-lg-optimus-one-p500/

      • http://www.facebook.com/Darklovetoy Andreas Panagopoulos

        Link is broken, any other place to get the software to unroot the LG Optimus L3 E400f?

  • maldyta

    didnt work.. =(

    • http://www.ninjaromeo.com/ Panneer Selvan

      What kind of message or error you got?

  • jet throw

    i need help to sir,. i dont know why i cant root mine,. i just follow the simple steps but seems its not appropriate about what should happen,. after i run bat file.. this is the result

    ‘adb’ is not recognized a an internal or external command,
    operable program or batch file.
    device found.
    ‘adb’ is not recognized a an internal or external command,operable program or batch file.
    rebooting device…

    and so on., the results only a sec..

    i follow your instructions sir but i think something is missing for me?.
    do you know why sir,.? i really need reply asap., thanks in advance

  • Colebree

    tnx man! It worked for me! Now I can run GameCIH! :)

  • dylan

    if you have the problem of
    “daemon succesfull” or “Waiting for device…” dont click on usb storage but on pc software and Enable USB Debugging and it works
    (Sorry for my bad english)

  • Sarah

    Can you help me please ? it’s locked on ” daemon succesfull ” and my phone didn’t automatically reboots.

  • mik

    help pls the program don’t go on over step “deamon started successfully”

    i have follow the step (connected via usb-software_pc ,debuggin mode activeted )

  • ronaldtaufiq

    costum roms lg optimus l3 where can i take it??

    • http://www.ninjaromeo.com/ Panneer Selvan

      Search on google or xda developers and you will find a good one!!!

  • Jalpan

    worked for me……thnaks…..a…..lot

    • http://www.ninjaromeo.com/ Panneer Selvan

      Thanks for your feedback!!!

  • Goldman

    hey man very nice job
    really work
    but if I wanted desroot
    I will would have to do?

  • Jyfgu

    yeeeees it works!

  • http://www.facebook.com/profile.php?id=100003296454515 Wemerson Barbosa

    eu fiz o pocesso todo mais nao mudo nada no seu so apareceo um arquivo escrito superuser oq e isso ?

  • Crisnino_sulla

    What type of USB connection do I use? charge only, PC software ,USB tethering, or USB storage??????

  • Crisnino_sulla

    Why does it keep on saying “waiting for device”? I did everything you said… Connect the phone using usb cable and with PC software, enable usb debugging and ran the “run.bat” file…But nothing happens….

    • Javi García

      I have the same problem.

      • http://www.ninjaromeo.com/ Panneer Selvan

        Check you are enabled USB Debugging and have drivers for your phone.

  • Victordude

    Just took mine out of the box and tried it. I connected usb enabled de-bug and enabled unknown sources just in case and connected with software but still hangs on daemon started successfully. Any idea?

    • Victordude

      Ok I found the problem. I had to download the usb drivers and it worked. Thanks mate!!!

  • Skyyou918

    Why does it keep on saying “waiting for device”? I did everything you said… Connect the phone using usb cable and with PC software, enable usb debugging and ran the “run.bat” file…But nothing happens….

    • http://www.ninjaromeo.com/ Panneer Selvan

      Are you installed the drivers?

      • RafeyelL

        what kind of driver?

        • http://www.ninjaromeo.com/ Panneer Selvan

          LG Mobile drivers. You can get it from LG mobile support website.

          • http://www.facebook.com/LycanzOrigin Linden Sanctuary Texaskni

            LGMOBILE support can read LGe400 when it is on PC Software mode but when i change it to Usb Storage mode the Mobile apps on my pc cannot read my phone anymore???? did i miss something?? help plz +rep

  • RafeyelL

    pleasss help me to root my LG optimus l3 e400….coz i cant play a better games T_T…..i read the instruction and i do it all but nothing happen…you said my phone reboot after i do ran.bat … but nothings happen please kindly help me sir…i wait your reply …plssss

    • RafeyelL

      i still waiting…….;;;;;; i do like you in my FB …so i need reply..please men…. i hope you can help me ^___^

      • RafeyelL

        still here…..

  • RafeyelL

    in my loptop using DOS command always said waiting for device……………

    • http://www.ninjaromeo.com/ Panneer Selvan

      You need to install drivers on your laptop.

  • RafeyelL

    men!!you said in Skyyou918 if he installed the drivers?so what kind of driver???i need to install??

    • http://www.ninjaromeo.com/ Panneer Selvan

      LG Mobile drivers. You can get it from LG mobile support website..

      • RafeyelL

        please give me the link ser ^__^ atlast you reply i keep waiting ^__^

  • RafeyelL

    i hope i can fix on my own ahmmmmmmmm…and thnks for your reply ^___^

  • RafeyelL

    so i root it now… then what can i do??my phone restart on his own…so what now?? i can play a better games???

    • http://www.ninjaromeo.com/ Panneer Selvan

      Rooting will not help you to play better games. It gives an access for installing custom ROM’s and some apps that need a root access.

  • RafeyelL

    ???

  • RafeyelL

    ei men its rafeyelL again…i already done the rooting how about i want to over clock my LG l3 what i need to do??

  • RafeyelL

    because i want to play much better game …. help me please!

  • Faizy

    my phone restart on his own… so what can i do…?? plz help me out…?? :(

    • http://www.ninjaromeo.com/ Panneer Selvan

      You don’t need to do anything. It restart automatically in its process.

      • Rexthekingro

        You stupid fuck, it restarts continuously…this fucks up your phone!!!

        • JD

          No guy, YOU fucked your phone

          • Rexthekingro

            No, I didn’t fuck up my phone…but I don’t understand how stupid someone can be to give such an answer to Faizy’s question…you can see what is the solution, I told him how to solve it.

    • Rexthekingro

      Just do a hard reset of the phone…you’ll loose all the data, but you get it working.
      http://www.hard-reset.com/lg-optimus-l3-e400-hard-reset.html

  • Pingback: How to Update LG Optimus L3 E400 with ICS Official CM9 ROM | Ninja Romeo

  • JD

    and…. ¿how to unroot? ¿it’s possible?

  • Eldon

    Thak you sir. Very much.

  • Johnmshelly

    hey i rooted my lg e400 but when i try to boot into recovery it just reboots the phone as out of the box, any ideas please help thanks John

    • Samir

      how did you root it??

      • Sacredmaui66

        hi i tried to rrot my LG e400 however it did not reboot the phone, nothing even happened.. how do i connect the phone? is it a PC software or should it be just a storage device?

  • help neeedeeed

    i cant root…it just says that its waiting for device….plz help….asap

    • http://www.ninjaromeo.com/ Panneer Selvan

      You need to install LG mobile drivers on your PC

  • Pingback: How to Update LG Optimus L3 E400 with ICS Official CM9 ROM « PRS ASSISTENZA INFORMATICA REMOTA

  • Pingback: How to install Custom Recovery On LG Optimus L3 E400 | Ninja Romeo

  • Oscar_lopez_serrano

    i have an l7 this procedure is suitable for that cellphone?

  • Anand ayan

    hallo there i have LG optimus L3 e405 ..is this rooting same for both E400 and E405 ?? and is this LG mobile drivers ???

  • Fhernando Colop

    yes it works, but how Unroot now? need help

    • shymprsd

      Why do you want to unroot it bro?

  • Fhernando Colop

    it works, but how unroot know?

  • Dipremero

    how long does it take 9minutes/hours) to root lg optimus l3 e400

    • Bokicool

      it doesnt take very much just about 1 minute

  • Dipremero

    how long does it take minutes/hours) to root lg optimus l3 e400

  • Rperdomofunes

    como puedo evitar que me salga mensaje en mi lg l3 e400 que dice poco espacio en memoria del sistema

  • guest234

    My phone just keeps rebooting in a continuous loop. Help!!

    • Jacob

      hey it still rebooting?

  • Carlos-12345e

    It’s rebooting and rebooting….. Why??? Help me!!

    • 123

      my computer does not start rooting what shuld i do?

  • 123

    Sir, It is not working it says daemon started and after that nothing happens?What can be the reason plz help?

  • Noob

    If you guys followed them directions properly it would have worked fine. I no nothing about technology and it worked fine for me.

  • http://www.facebook.com/markjorhen.castro Mark Jorhen Castro

    after i rebooted it it says attempting persistenece…

    remount succeeded…

    so what now?

  • http://www.facebook.com/jb.rubio2 Jb Geangan Rubio

    how to expand expand system memory of l3 optimus??

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  • Toàn

    make rom V10o How to root? :(

  • youyou

    Muchisimas gracias, si me ayudo bastante, por fin soy root…… :)

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  • shark

    * daemon started successfully *[*] Device found.
    link failed Permission denied[*] Rebooting device…[*] Waiting for device to reboot…
    cannot create /data/local.prop: permission denied[*] Rebooting device again…[*] Waiting for device to reboot…[*] Attemping persistence…
    remount failed: Operation not permitted
    failed to copy ‘su’ to ‘/system/bin/su’: Read-only file system
    Unable to chmod /system/bin/su: No such file or directory
    link failed Read-only file system
    failed to copy ‘busybox’ to ‘/system/xbin/busybox’: Read-only file system
    Unable to chmod /system/xbin/busybox: No such file or directory
    /system/xbin/busybox: not found
    failed to copy ‘Superuser.apk’ to ‘/system/app/Superuser.apk’: Read-only file sy
    stem[*] Cleaning up…
    rm failed for /data/local.prop, No such file or directory
    rm failed for /data/gpscfg/*, No such file or directory
    Unable to chmod /data/: Operation not permitted[*] Rebooting…[*] Rooting Complete complete![*] Press any key to exit.
    Press any key to continue . . .
    i hope this site is still active,. need help badly., >.<

    • hossam

      Same here

  • jose

    hey guys!! listen very well

    this really work!!… when the cell is rebooting and rebooting in an infinitum cycle… shut down the cel (but no close the application)

    later, boot the cel and the process will finish

    later, you are root and install aplications like root :D

    yeah!! ty ;D

  • http://www.facebook.com/JasDaCool Jason Lam

    The operations in the bat file only say access denied, operation not permitted.

  • Chinmay

    I have rooted my phone (LG E400)
    but now i want to unroot it…..
    plzz help me..

    • Robert Lubenov

      i have a problem with the connection ..
      can u send me link of the drivers you’ve download ?
      tnx :)

  • http://twitter.com/patriantogalugu patrianto galugu

    Yeah, it works. Thank you.

  • Robert Lubenov

    i have a problem with the connection
    i mean it is connected but the rooting program doesn’t read my phone
    What shall i do ?

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  • inigo

    how can i know if the rooting process is succesfull doesnt change anything and in the process of cpoying the cm9 the cm9 cnt be read by the device i wonder whats the problem pls reply asap

  • Aiden

    how long does it take to root.
    it is saying daemon started successfully and has been stuck on that for an hour.

    i have drivers installed and usb debugging connected and my phone is in pc software mode.

    how long should it take or should i just start again?

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  • http://www.facebook.com/Triveni.cool Triveni Sweet

    Hello I m trying to root my LGl3 E400 since yesterday but i m not able to complete it because it come till * Deamon Started Successfully* and its held up there i waited for about 2 to 3 hrs but no improvement, can anybody help me out with this??

  • http://www.facebook.com/pepe.canteros.7 Pepe Canteros

    When I’m connect de device, what option must I choose? Only Charge, PC Software or Massive Device?

  • http://fotolia.ir ??? ?????

    thank you very much , it works

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  • myrbenguanzon_20@yahoo.com

    hilo sir how i can root my phone sir?when i enter any key the result telling that adb is not recognize as an enternal or external command.sir how i can do to root my phone lg e400.pls reply me

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  • http://www.facebook.com/manohort Aac’s Timilsina

    not working

  • blindedbytrust

    IT WORKS FOR ME
    . . THANKS

  • ulises

    atyda

  • ulises

    ayuda no puedo :(

  • http://www.facebook.com/peterbien.farrales.7 Peter Bien Edejer Farrales

    * daemon started successfully *[*] Device found.
    link failed Permission denied[*] Rebooting device…[*] Waiting for device to reboot…
    cannot create /data/local.prop: permission denied[*] Rebooting device again…[*] Waiting for device to reboot…[*] Attemping persistence…
    remount failed: Operation not permitted
    failed to copy ‘su’ to ‘/system/bin/su’: Read-only file system
    Unable to chmod /system/bin/su: No such file or directory
    link failed Read-only file system
    failed to copy ‘busybox’ to ‘/system/xbin/busybox’: Read-only file system
    Unable to chmod /system/xbin/busybox: No such file or directory
    /system/xbin/busybox: not found
    failed to copy ‘Superuser.apk’ to ‘/system/app/Superuser.apk’: Read-only file sy
    stem[*] Cleaning up…
    rm failed for /data/local.prop, No such file or directory
    rm failed for /data/gpscfg/*, No such file or directory
    Unable to chmod /data/: Operation not permitted[*] Rebooting…[*] Rooting Complete complete![*] Press any key to exit.
    Press any key to continue . . .

    >>>please help what we will do?? to make sucessfull rooted??? please help me…. :( (

  • http://www.facebook.com/peterbien.farrales.7 Peter Bien Edejer Farrales

    please a little help.. . . . always link failed denied.. then rebooting.. always failed.. what i will do to make it successful reboot?? please help me ..

  • http://www.facebook.com/peterbien.farrales.7 Peter Bien Edejer Farrales

    little help please

  • http://www.facebook.com/peterbien.farrales.7 Peter Bien Edejer Farrales

    alawys failed.. link failed denied then reboot failed.. always failed little help.. there… what i will do to make successful reboot??? little help please…

  • http://www.facebook.com/peterbien.farrales.7 Peter Bien Edejer Farrales

    help

  • Jacob

    Yeah it work :D
    thnx..
    but my question is when it is rebooted all your application will be done, in my case all may application they not done??
    what is the problem? admin?

  • http://www.facebook.com/BarrryWilson Barry Wilson

    This happened with another program. I did everything you said and the screen popped up I press anykey and it started working. Except it was saying it was being denied permissions and kept rebooting and failing till it gave up. Do you know why this happens?
    Thank you
    Barry

  • http://www.facebook.com/Virajt26 Viraj Tondwalkar

    heyy how to put lg e400 in recovery mode when i press volume down+lock+home it gets hard reset when i tried to press volume up it showed do not remove wires signal soo what should i do??

  • http://www.facebook.com/m4tthew.groen Groen Matthew

    How do you even know this thing is rooted? I still get the low diskspace bullshit

  • JFRS

    Excelent!!!!