How to Easily Master Format LG L BELLO (D331 & D335) with Safety Hard Reset?

Collection of tips and solutions for  LG L BELLO (D331 & D335) problems. There are some information that we give for LG L BELLO (D331 & D335) users who have some problems while using it. The LG L BELLO have 5 inches LCD screen with 2 type base by the simcard slot. The LG D331 is LG L BELLO with single simcars GSM slot. The LG D335 is LG L BELLO with dual simcard GSM-GSM slot. This phone use Quad Core processor with 1.3 Ghz clock speed from Mediatek. Having 1GB RAM is important for running more multitasking applications. The body of LG L BELLO is easy to hold, but we will not find any button at right or left side of the body, because for power button and volume button are located at the back side of the body bellow the main camera. For some users having this kind of button is more easier to hold. LG L BELLO (D331 & D335) have 8 megapixel camera in the back side and have LED light flash to help get better pictures while the ambien light is low.

 

Main Advantage of  LG L BELLO (D331 & D335) Specifications:

LCD 5 inches IPS Touch Screen
Processor Quad-core 1.3 GHz
GPU Mali-400MP2
Main 8 MP, 3264 x 2448 pixels, autofocus, LED flash
Front Camera  1 MP
Operating system Android OS, v4.4.2 (Kitkat)
Internal Memory 8 GB
External Memory Slot up to 32 GB
RAM 1 GB
Battery Li-Ion 2540 mAh

 

What to do for Solve and Recovery if LG L BELLO (D331 & D335) get hang or not responding or malfunctions or hang or stuck or freezing or bricked problem?

With 5 inches LCD screen, this phone will give good performance when running applications like play HD Games, watch movie, doing some work. We can add more applications like Whatsapp, BBM, Twitter, Instagram, Line Messenger, Kakaotalk, and many more from Google Play Store. But we have to know that some applications may not always compatible with LG L BELLO (D331 & D335), therefore if we have installed that applications, then our phone will start get trouble like hang or stuck or bricks or freeze. The problem also will make our LCD touch screen not responding with our finger touch, or sometime boot into LG logo loop. If we get this problems, then we have to force soft reset or force shutdown or reboot to clean temporary files or cache that can make our phone run in strange way. If this problem still happen after doing soft reset, then we have to do hard reset or master format LG L BELLO (D331 & D335). Please note, backup all important data first before doing hard reset, because it will remove or wipe after finish master format.

 

How to Force Shutdown or Force Soft Reset or Reboot or Restart LG L BELLO (D331 & D335) ?

When our LG L BELLO (D331 & D335) get trouble in the middle of running applications, sometime the phone will hang or stuck that can make the LCD touch screen not responsive with our finger touch. At this time we should force shutdown or restart to clean temporary files or cache, the easy way to do that is remove the battery after open the back case cover, wait about 5 seconds, and then please put again the battery at the right positions, the we can turn on by pressing Power on button at the back side, because LG L BELLO power button located at back side bellow the main camera. Doing soft reset are safe to do anytime, because this process only remove temporary files or cache from running applications, but our important data will keep safe in its locations. We also can do soft reset or restart anytime we want, if the phone still work normally, please press and hold Power Button until pop-up menu appear, after that please choose Power off / Reboot / Restart menu.

 

#Option 1, Hard Reset LG L BELLO (D331 & D335) with software menu

1. Turn on the LG L BELLO (D331 & D335)
2. Make sure the battery is not empty
3. Backup important data at LG L BELLO (D331 & D335) 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 L BELLO (D331 & D335) will do the master reset process.

 

#Option 2, Hard Reset LG L BELLO (D331 & D335) Factory Default using Hardware Secret Button Key

In some conditions, we can not do anything at LG L BELLO (D331 & D335) 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 L BELLO (D331 & D335) with hardware key button :

1. Turn off the LG L BELLO (D331 & D335)
2. Make sure the battery LG L BELLO (D331 & D335) 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 L BELLO (D331 & D335) will continue master reset, wait for several minutes until the the phone start like new again.

Please note, some type of LG L BELLO (D331 & D335) 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 L BELLO (D331 & D335) (reformat) ?

Reformat or reinstall or restore clean factory default Android operating system can be done easily when our LG L BELLO (D331 & D335) start act not normal like slow response or not running well. Usually this problems happen because application crash or wrong setting. First we have to know that the clean factory default Android operating system has already saved safely inside our LG L BELLO (D331 & D335) ROM, this file source basically can not remove or edited at normal usage. Please follow the steps to hard reset above then the LG L BELLO (D331 & D335) factory default operating system will be reinstall or restore automatically. By reinstall or reformat, all important data will be removed and all additional installed applications also will clean up and need to reinstall again one by one from Google Play Store.

 

How to Unlock or Fix or Bypass or Solutions for LG L BELLO (D331 & D335) forgot password code or security lock screen pattern or pin or knock code (lost password)?

There are some options that we can choose to give our LG L BELLO (D331 & D335) security protections. LG L BELLO (D331 & D335) also have secure Knock Code that can protect our phone from unauthorized users. There are also other options available, like screen lock pattern or password pin protections. The problem start happen when we forget the answer of security code that we has already choose before. How do we bypass or unlock forgotten security code or pattern or Knock Code from LG L BELLO (D331 & D335)? We can bypass the security code using Google account username and password. Please give several time wrong answer continuously until LG L BELLO (D331 & D335) freeze or locked about 30 seconds, at this time we will find Forgot Password / Pattern button, press this button then we can find field to input our Gmail username and password that we have signed in before. If we can not access Google account from this phone, then we have to do hard reset or master format using hardware button combination key above.

 

How to Improve Performance LG L BELLO (D331 & D335) to make run more faster ?

Why the LG L BELLO (D331 & D335) become slowly? Mostly this problems happen because there are too many applications run in the background.  Some applications that we have installed from Google Play Store will keep run in the background without any notice waiting for data update or some command to do. All applications will use some amount of RAM and processor resource, therefore if there are too many applications run together, then the LG L BELLO (D331 & D335) RAM will be insufficient and make the phone become slowly. Please remove or uninstall some not use applications. If we want to make performance of LG L BELLO (D331 & D335) run faster again like new, then we have to consider doing hard reset or master format.

 

Is that any other secret code of hard reset LG L BELLO (D331 & D335)?

At this moment, there is no other secret code or secret key to do the factory reset of LG L BELLO (D331 & D335). Just try to do the hard reset above.

 

How to Activate LG Knock Code Security Protection or Knock ON at LG L BELLO (D331 & D335) ?

What is Knock Code at LG L BELLO (D331 & D335)? 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 L BELLO (D331 & D335), go to Setting > Display > Lock Screen > Select screen lock, then please choose Knock Code.

What is Knock On at LG L BELLO (D331 & D335)? KnockON is features to make the LG L BELLO (D331 & D335) 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 L BELLO (D331 & D335) to Android Lollipop 5 Update Operating System / Firmware ? 

At the first time released, LG L BELLO (D331 & D335) user Android Kitkat as factory default operating system.  There are no problems for using Android Kitkat at LG L BELLO (D331 & D335), but some users maybe would like to get latest update for Android Lollipop for LG L BELLO (D331 & D335). However, until we write this information, LG still not give information about Android Lollipop for LG L BELLO. But we can try to find out manually from menu Setting > About phone > System update > Check now. If available, please make sure your charger is connected while doing update.