Solutions and tips for LG L90 (DUAL) D405 & D405N  & D410 problems. If we want to find 4.7 inches LCD screen smartphone from LG then LG L90 is good options to choose, because it have fast performance using Quad Core 1.2 Ghz Qualcomm processor and 1 GB RAM to run more multitasking applications. The LG L90 (DUAL) D405 & D405N  & D410 have 8 GB internal memory but we still can expand more storage for movie, pictures, applications files and many more using microSD up to 32 GB. For daily activity the LG L90 (DUAL) D405 & D405N  & D410 can run longer because the battery capacity is 2540 mAh.

 

What is Advantage of  LG L90 (DUAL) D405 & D405N  & D410 Specifications:

GSM 3G HSDPA
Dual Simcard GSM on together
LCD 4.7 inches
Internal memory 8 GB
RAM 1 GB
External memory microSD, up to 32 GB
Main Camera 5 MP, 2592 х 1944 pixels, autofocus, LED flash of type have 8 MP camera
Front Camera for video conference
Processor Quad-core 1.2 GHz Cortex-A7
Operating system Android OS, v4.4.2 (KitKat)
Battery Li-Ion 2540 mAh

 

 

How to Fix or Problem Solving for Recovery LG L90 (DUAL) D405 & D405N  & D410 hang or not responding or malfunctions or stuck or freezing or bricked ?

The first time use this phone we will have some factory default applications, but we have to sign in with Google account if we want to download more applications from Google Play Store like Whatsapp, Facebook, Instagram, Path, BBM, Skype, WeChat, Line Messenger and many more. If we do not want sign in with Google account, then we can not install anything or access Google Play Store. But we have to becareful while choosing applications to download from Google Play Store, because there are some application which not compatible or can make trouble to our LG L90 (DUAL) D405 & D405N  & D410 when installing on it, our phone can become hang or stuck or bricks or broken or frozen or boot logo loop or LCD touch screen not responding. If we get tris problems, then we have to try force shutdown or force soft reset or reboot for refresh all running applications and remove temporary files and caches. If this problems still happen, then we have to do hard reset or master format.

 

How to Force Shutdown or Force Soft Reset or Reboot or Restart LG L90 (DUAL) D405 & D405N  & D410 ?

When our LG L90 get trouble or freeze in the middle of running applications, then the LCD touch screen will not responsive with our finger touch. We have to force shutdown or force soft reset or reboot our LG L90 (DUAL) D405 & D405N  & D410. The easy steps to shutdown this phone is by open the back cover case, then remove or unplug the battery out, wait about 5 seconds, then we can put or plug in again the battery at the right positions, please continue by pressing POWER button. The soft reset or restart steps also can be done when our phone still normal ON positions. Press and hold POWER button until pop up menu appear, then choose Shutdown or Reboot or Turn off menu to finish soft reset. This process is safe and will not remove any data from our phone.

 

#Option 1, Hard Reset LG L90 (DUAL) D405 & D405N  & D410 with software menu

  1. Turn on the LG L90 (DUAL) D405 & D405N  & D410
  2. Make sure the battery is not empty
  3. Backup important data at LG L90 (DUAL) D405 & D405N  & D410 because all data and applications will be erase or delete
  4. Go to Menu :  Setting > Backup and Reset > Factory Data Reset
  5. Choose : Reset Device > Delete all
  6. The LG L90 (DUAL) D405 & D405N  & D410 will do the master reset process.

 

 

#Option 2, Hard Reset LG L90 (DUAL) D405 & D405N  & D410 Factory Default using Hardware Secret Button Key

In some conditions, we can not do anything at LG L90 (DUAL) D405 & D405N  & D410 touch screen or frozen in some state. So we can not access reset menu like Option #1, do not worry, because we can do hard reset LG L90 (DUAL) D405 & D405N  & D410 with hardware key button :

  1. Turn off the LG L90 (DUAL) D405 & D405N  & D410
  2. Make sure the battery LG L90 (DUAL) D405 & D405N  & D410 already full or more than 50%
  3. Press together and hold the Power Button + Volume Down Button
  4. If the Logo appear, then release the Power Button (do not release the Volume Down Button), then continue to press again the Power Button until Recovery mode / Factory reset menu appear, then we can release all button now.
  5. Choose wipe data/factory reset using Volume Button, and press Power Button to Enter or OK
  6. The LG L90 (DUAL) D405 & D405N  & D410 will continue master reset, wait for several minutes until the the phone start like new again.

 

How to Restore and Reinstall Clean Android Operating system / firmware at LG L90 (DUAL) D405 & D405N  & D410 (Reformat) ?

If we find some error at our LG L90 (DUAL) D405 & D405N  & D410 or we get not stable running applications, then maybe our operating system get trouble or damage or corrupt. We should reinstall or reformat or restore with factory default operating system. As we know when the first time we use LG L90 (DUAL) D405 & D405N  & D410, the factory default operating system is Android Kitkat. The file source of Android Kitkat (or other newer after update) will saved safely inside LG L90 (DUAL) D405 & D405N  & D410 ROM. That is why when we want to reinstall, we do not need to copy or connect with other device. Please follow steps to hard reset or master format above, then our LG L90 (DUAL) D405 & D405N  & D410 clean factory default Android operating system will be reinstall automatically.

 

How to Unlock or Fix or Bypass or Solutions for LG L90 (DUAL) D405 & D405N  & D410 forgot password code or security lock screen pattern or pin (lost password)?

There are several factory default options to give screen lock protections. Usually we use screen lock pattern because it is more easy and fast to use. Some users also like to use password pin protections or other options. What should we do when our LG L90 (DUAL) D405 & D405N  & D410 security protections is loose or forgotten? Do not worry about that, because we can unlock or bypass forgot screen lock pattern or password pin protection using Google account or Gmail username and password. Please give several time wrong answer continuously until LG L90 freeze or locked 30 seconds, we will find Forgot Password / Pattern at the screen. Press this button then put our Google account username and password that we have already signed in before. If we can not access our Google account, then we have to force hard reset or master format using hardware button combination key.

 

 

How to Improve Performance LG L90 (DUAL) D405 & D405N  & D410 to make run more faster?

What to do when our LG L90 (DUAL) D405 & D405N  & D410 become slowly. The performance of LG L90 can run good for daily activity because this phone use Quad Core processor. But some users who get trouble with slowly response usually happen because there are some applications in the background or foreground run together and make LG L90 (DUAL) D405 & D405N  & D410 RAM become insufficient, all application will need some amount of RAM and processor resource, if 1 GB RAM full used, then this phone will try to find which applications not run for long time, and for give more RAM free space, then this applications will be force stop and sometime this process will make our LG L90 (DUAL) D405 & D405N  & D410 become slowly or lagging. However, if we want to make our LG L90 (DUAL) D405 & D405N  & D410 performance run faster again like new, then we have to consider doing hard reset. Please note all hard reset or reformat process will make our important data and installed applications wiped or removed from LG L90 (DUAL) D405 & D405N  & D410, so please do not forget to backup before doing hard reset.

 

Is that any other secret code of hard reset LG L90 (DUAL) D405 & D405N  & D410?

At this moment, there is no other secret code or secret key to do the factory reset of LG L90 (DUAL) D405 & D405N  & D410. Just try to do the hard reset above.

 

How to Activate Knock On or Knock Off at LG L90 (DUAL) D405 & D405N  & D410 ?

LG L90 (DUAL) D405 & D405N  & D410 have good facilities to Wake on by Knock twice the off LCD  to turn ON, and knock twice at empty wallpaper at LCD to turn OFF. This facility can work at standard ROM. We may not get this features work when we do some tweak or use non standard custom ROM.  To activate or make KnockOn working at LG L90, please activate this features at menu Settings > General > Gestures > KnockOn.

 

How to Synchronize LG L90 (DUAL) D405 & D405N  & D410 To Backup Photo, Movie, Music, Contact, Calendar to Computer or PC?

We should download LG PC Suite applications from LG PC Suite Website. After that install at our PC and connect the LG L90 (DUAL) D405 & D405N  & D410 with USB Cable to computer which already run LG PC Suite applications, after that follow the menu from LG PC Suite computer to backup all important data.

 

How to Update LG L90 (DUAL) D405 & D405N  & D410 to Android Lollipop ?

Unfortunately until today, LG does not give official release of Android Lollipop version 5 operating system. As far as we know LG L90 (DUAL) D405 & D405N  & D410 can run without problems using official Andoid Kitkat. However, some other community have already give steps to install or upgrade LG L90 (DUAL) D405 & D405N  & D410 to Android Lollipop custom rom, but we have to root or tweak our phone using step by step instructions. Basically we are not recommended all users to do custom tweak or install custom rom or rooted LG L90 (DUAL) D405 & D405N  & D410, because some wrong steps can make our phone broken or corrupt and can not use anymore. Please consider it carefully.

 

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