[LG G2 Mini] dandundan:
this guide is a compilation of the modding thanks to everybody works for this Smartphone:victory:

i'm not a developer but i tested all and they work:p

lg g2 mini It's the little brother of Lg g2, the cousin of Lg g3 and g3s, the Uncle of the brothers Optimus.

SECRET MENU

tap this sequence in the dialer

3845#*620#( this sequence is for the european mode; for other device change "620" with the number of the model, for exemple 618)

ROOT-UNROOT

to root the device use (this root method is tested with the lg d620r)

towelroot apk

https://towelroot.com/

Another useful tool after root is busybox

https://play.google.com/store/apps/details?id=stericson.busybox&hl=it

superuser

https://play.google.com/store/apps/details?id=com.noshufou.android.su

to unroot the device we can use

Universal Unroot

https://play.google.com/store/apps/details?id=com.universal.unroot&hl=it

or simple reflash the original lg rom

RETURN STOCK :AN USER FRIENDLY GUIDE

to return stock we need

- drivers http://oceanhost.eu/ed0bnrnghgef/LGUnitedMobileDriver_S51MAN312AP22_ML_WHQL_Ver_3.12.3.exe.htm

- lg flash tool (a software similar an Odin)http://oceanhost.eu/mipqojfvv9ti/LG_Flash_Tool_2014.zip.html

- a Run Time library (if you have problem with install or play lg flash tool) http://oceanhost.eu/mipqojfvv9ti/LG_Flash_Tool_2014.zip.html

- the stock rom http://lg-firmware-rom.com/ ( go here and use your Imei which is inside your lg g2 mini box or obtainable typing *#06# from your Dialer). The stock Rom is big (1 gb approximately)

this is the Euopean stock no brand rom (only d620r)

firmware: D62010g_00

https://drive.google.com/file/d/0B5GaDwb0xUaWQXNMRGVEQlhUc1k/view?usp=sharing

download and install drivers

download and unpack in a folder LG FLAH TOOL

open LG FLASH TOOL as administrator

where is written "Select KDZ file" put the your stock rom

if you want only reflash the stock rom , choose "Normal flash" , otherwise if you want to make no brand , choose "CSE flash"

and tap "START"

choose your Country and language

connect your device in DOWNLOAD MODE ( insert usb cable holding the + volume button; the device is off)

click retry and Wait Until the end ( IF you Choise CSE Flash ,after the flash all user data will be erased!)

IF THE DEVICE IS BLOCKED IN BOOTLOOP AFTER THE PROCESS, SWITCH OFF , AND SWITCH ON THE DEVICE HOLDING THE POWER BUTTON AND THE - VOLUME BUTTON; WHEN APPEAR THE LG LOGO , LEAVE THE BUTTONS FOR A SECOND AND HOLD THEM AGAIN. DO AN HARD RESET AND REBOOT(after the hard Factory reset , all data will be ERASED!)

UNLOCK BOOTLOADER: NOOB GUIDE

WARNING!:this method work only on D620r!

to unlock bootloader we need

- a terminal apk https://play.google.com/store/apps/details?id=jackpal.androidterm

- aboot.img modified by ZAAAP http://xdaforums.com/g2-mini/development/bootloader-unlock-t2827748

Open terminal,

write

su

dd if=/dev/block/platform/msm_sdcc.1/by-name/aboot of=/sdcard/aboot.img

so, make a backup of the file aboot.img and replace it with aboot4.img in the sdcard folder.

write

dd if=/sdcard/aboot4.img of=/dev/block/platform/msm_sdcc.1/by-name/aboot

reboot the device with the command

reboot

We can also use adb to unlock the device by pc

https://www.youtube.com/watch?v=8aRrmxCOnQ0

INSTALL CUSTOM RECOVERY D620R

to install recovery we need

- custom recovery http://xdaforums.com/g2-mini/development/recovery-testing-lg-g2-mini-d620-t2835276

- an app to flash zip

rashr https://play.google.com/store/apps/details?id=de.mkrtchyan.recoverytools

flashify https://play.google.com/store/apps/details?id=com.cgollner.flashify

put inside the storage memory the recovery, install the app,

flash the recovery and reboot

INSTALL CUSTOM ROM? D620R Only

download a rom and flash it

cyanogenmod( camera, vibration to fix:( )

http://xdaforums.com/g2-mini/development/rom-cm-11-unofficial-d620-to-test-moment-t2852497

pacrom mod( it's based on cyanogenmod rom :silly:)

http://xdaforums.com/g2-mini/development/rom-pac-rom-lg-g2-mini-d620-alpha-t2876820

BACKUP STOCK APP AND SOUND

this are all apps of the rom (system apps + sounds of system)

https://www.mediafire.com/folder/lxef2ds430f88/lg_app