Tips and tricks for solving LG G3 (D855 / D850 / D851) & CDMA (VS985/LS990) problems. The LG release some product code for specific operator:

GSM 3G/LTE:
LG G3 D850 for AT&T Provider
LG G3 D851 for T-Mobile Provider
LG G3 D855 for all Europe GSM

CDMA :
LG G3 VS985 for Verizon Provider
LG G3 LS990 for Sprint Provider

The LG G3 have 5.5 inches LCD screen with True HD IPS with big resolutions 1440 x 2560 pixels, and also have two options for RAM size as 3GB and 2GB RAM. This phone already use Android Kitkat 4.4.2 and also available for upgrade up to Android v.5 Lollipop.

 

 

Main Advantage of  LG G3 (D855 / D850 / D851) & CDMA (VS985/LS990) Specifications:

LCD 5.5 inch True Full HD IPS
Processor Quad-core 2.5 GHz Krait 400
GPU Adreno 330
Main 13 MP, 4208 x 3120 pixels, autofocus, LED flash
Front Camera  2.1 MP
Dolby mobile sound system
Operating system Android OS, v4.4.2 (Kitkat)
Internal Memory 16 GB 0r 32GB
RAM 2GB or 3GB
Battery Li-Ion 3000 mAh

 

How to Fix or Problem Solving for Recovery LG G3 (D855 / D850 / D851) & CDMA (VS985/LS990) hang or not responding or malfunctions or stuck or freezing or bricked ?

Using smartphone with big RAM and fast processor will like LG G3 will give use more options to download many applications from Google Play Store. We can download free working apps or entertainment or big HD games which will run without problems at our LG G3. But as we know that Google Play Store contain many applications from many developer, some of them create the applications without good coding. Of course this kind of apps may make some trouble if installed at our LG G3 (D855 / D850 / D851) & CDMA (VS985/LS990) like hang or stuck or bricks or broken or freeze or blank or boot loop or LCD touch screen not responding. At this situations, we have to force shutdown or force soft reset or reboot our LG G3 (D855 / D850 / D851) & CDMA (VS985/LS990) to clean some cache or temporary files. If the problem still happen at our LG G3, then we have to do hard reset or master format. Please remember, doing hard reset or reformat will remove all important data and installed applications, therefore we should backup all important data before doing hard reset.

 

How to Force Shutdown or Force Soft Reset or Reboot or Restart LG G3 (D855 / D850 / D851) & CDMA (VS985/LS990) ?

Some of high end smartphone have non removable battery, but thanks for LG which make their LG G3 (D855 / D850 / D851) & CDMA (VS985/LS990) battery can be remove. This situations can help user to force soft reset their LG G3 when the phone get stuck or freeze when running applications. Please remove the back case cover, and remove the battery. Wait about 5 seconds and put again the battery at the right positions. Close the back case cover and press POWER button to turn on LG G3 (D855 / D850 / D851) & CDMA (VS985/LS990).  We can do soft reset or reboot or restart anytime, because this steps will not remove any important data or installed applications. If our phone still can work properly, but we need to do soft reset or reboot, while the LG G3 (D855 / D850 / D851) & CDMA (VS985/LS990) ON, press and hold POWER button until the pop-up menu appear. Choose Power Off / Shutdown / Reboot menu to performing soft reset or reboot.

 

 

#Option 1, Hard Reset LG G3 (D855 / D850 / D851) & CDMA (VS985/LS990) with software menu

  1. Turn on the LG G3 (D855 / D850 / D851) & CDMA (VS985/LS990)
  2. Make sure the battery is not empty
  3. Backup important data at LG G3 (D855 / D850 / D851) & CDMA (VS985/LS990) 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 G3 (D855 / D850 / D851) & CDMA (VS985/LS990) will do the master reset process.

 

#Option 2, Hard Reset LG G3 (D855 / D850 / D851) & CDMA (VS985/LS990) Factory Default using Hardware Secret Button Key

In some conditions, we can not do anything at LG G3 (D855 / D850 / D851) & CDMA (VS985/LS990) 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 G3 (D855 / D850 / D851) & CDMA (VS985/LS990) with hardware key button :

  1. Turn off the LG G3 (D855 / D850 / D851) & CDMA (VS985/LS990)
  2. Make sure the battery LG G3 (D855 / D850 / D851) & CDMA (VS985/LS990) 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 button Power Button, and continue directly with pressing Power Button key again.
  5. When we see FACTORY HARD RESET appear at LCD, then release the Power Button.
  6. Press Power Button Key to Continue Factory Reset or Other Button to Cancel.
  7. If ask, please press Power Button Key again to confirm
  8. The LG G3 (D855 / D850 / D851) & CDMA (VS985/LS990) will continue master reset, wait for several minutes until the the phone start like new again.
Please note, some type of LG G3 maybe have to change step number 3 above with: Press together and hold Power Button + Volume Up Button , and continue with number 4 until 8 with the same steps.

 

How to Restore and Reinstall Clean Android Operating system / firmware at LG G3 (D855 / D850 / D851) & CDMA (VS985/LS990) (reformat) ?

After using several period, we will have many installed applications from Google Play Store. Maybe because of some wrong setting or the problem from not compatible applications can make our LG G3 (D855 / D850 / D851) & CDMA (VS985/LS990) operating system become damage or broken. Sometime it can make trouble when run some apps, or hardware too hot faster, or can not response to our finger touch or can not start normally. If we get this problem, it is recommended to reinstall or restore factory default Android operating system. For all Android users, we have to know that the clean factory default Android operating system already saved inside LG G3 (D855 / D850 / D851) & CDMA (VS985/LS990) ROM, therefore we do not need to copy or connect from other gadgets or device. Just make sure the battery is not empty or battery full is recommended, then follow the process to hard reset or master format, the operating system will be reinstall automatically.

 

 

How to Unlock or Fix or Bypass or Solutions for LG G3 (D855 / D850 / D851) & CDMA (VS985/LS990) forgot password code or security lock screen pattern or pin or knock code (lost password)?

If we have many confidential data at our LG G3 (D855 / D850 / D851) & CDMA (VS985/LS990), then it is recommended to give security protections. There are several options that we can choose like password pin or screen lock pattern or face unlock or knock code. We usually recommended to use screen lock pattern, but some user also like to use password or pin or knock code. The problem happen when we forget the security protection answer. But do not worry about this problem, because we can unlock or bypass forgotten security protection using Google Account or Gmail username and password. Please give several time wrong answer continuously until the phone freeze or locked about 30 seconds. At this time we will find Forgot Password / Pattern button, press this button, then we will find field to input our Gmail username and password that we have already signed in before. If we can not access our Gmail account at LG G3 (D855 / D850 / D851) & CDMA (VS985/LS990), then we have to do hard reset or master format using hardware button like #option 2 above.

 

How to Improve Performance LG G3 (D855 / D850 / D851) & CDMA (VS985/LS990) to make run more faster?

The LG G3 (D855 / D850 / D851) & CDMA (VS985/LS990) use Quad Core processor with 2.5 Ghz clock speed, it is already fast to run many applications or big game HD without any problems. But some users have bad experience with their LG G3 because their phone run slowly then it should. As far as we know, usually this problem happen because there are too many application run in the background together. Some applications which are install from Google Play Store will keep run in the background without any notification, many users do not aware about this. Every applications which run at LG G3 or any other Android smartphone will need some amount of RAM and processor resources. Although the LG G3 RAM is big enough, but it is not unlimited. If too many apps run in the background or foreground, then the RAM and processor resource will be insufficient and need some period to release other not use applications, this will make LG G3 (D855 / D850 / D851) & CDMA (VS985/LS990) become slowly for awhile. Therefore some phone performance will reduce. Please do not install too many applications that we never use it anymore. If we want to make LG G3 (D855 / D850 / D851) & CDMA (VS985/LS990) performance run faster again like new, then we have to consider doing hard reset or master format. Please do not forget to backup before doing hard reset.

 

Is that any other secret code of hard reset LG G3 (D855 / D850 / D851) & CDMA (VS985/LS990)?

At this moment, there is no other secret code or secret key to do the factory reset of LG G3 (D855 / D850 / D851) & CDMA (VS985/LS990). Just try to do the hard reset above.

 

How to Activate LG Knock Code Security Protection or Knock ON at LG G3 (D855 / D850 / D851) & CDMA (VS985/LS990) ?

What is Knock Code at LG G3? Knock Code is kind of security protection that give user ability to create their own knocks combination on LCD screen to open screen protection.  For Knock Code, please turn On the LG G3 (D855 / D850 / D851) & CDMA (VS985/LS990), go to Setting > Display > Lock Screen > Select screen lock, then please choose Knock Code.

What is Knock On at LG G3? KnockON is features to make the LG G3 turn ON or OFF when we knock twice (double knock) the LCD screen. It mean, we does not need to use POWER Button to turn ON or Turn OFF. For Turn ON: do double knock at center of LCD screen. For Turn OFF: double knock at status bar.

 

How to Upgrade LG G3 (D855 / D850 / D851) & CDMA (VS985/LS990) to Android Lollipop 5 Update Operating System / Firmware ? 

LG G3 (D855 / D850 / D851) & CDMA (VS985/LS990) will get Android version 5 Lollipop, the update will release by OTA (over the air) steps by steps base by region country. Please try to update LG G3 (D855 / D850 / D851) & CDMA (VS985/LS990) with OTA (Over The Air) from menu Setting > About phone > System update > Check now. Please make sure your charger is connected while doing update.

 

Latest hard-reset.org Discussions & Share Information:

[Q] My LGD855 keeps restarting but wont stay on. Is it due to battery problem. I try recharging my battery but unable to do so.
[A] Hi, some users get troubles with the battery that make your LG G3 become boot loop, moreover you also get battery rechaging problems that indicate you Lg G3 battery also work not normal or corrupt.. Please try to replace with other or new LG G3 battery and boot again. Some 3th party battery replacement also could make LG G3 get bootloop troubles.
 

[Q] private lock for after hard reset
 

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