LG Stylo 3 Secret Codes – LS777, MP450, M430, TP450, L83BL & L84VL

Except AT&T & Verizon, LG Stylo 3 is available with all the popular carriers in the USA. Most of the features are common between these variants however there is a slight variation in the Dialer Codes.

In this post, we are going to unveil the secret dialer codes for each Stylo 3 variant based on its respective carrier. The Stylo 3 variants we are going to cover are MetroPCS MP450, T-Mobile TP450, Boost Mobile LS777, Cricket M430, Tracfone GSM L83BL, and Tracfone CDMA L84VL.

So, Let’s start with the Boost Mobile variant of Stylo 3  with model number LS777 –

1. LG Stylo 3 Secret Dialer Codes – Boost Mobile / Sprint / Virgin Mobile LS777

a. Hidden Menu Code – LG Stylo 3 LS777

Among the Boost Mobile Stylo 3 Secret Codes, Hidden Menu is the most significant.

It covers lots of Device Tests which can be helpful in troubleshooting our LG Stylo 3 device.

The dialer code to enter the Hidden Menu is 5689#*777#

The 4 options in the Hidden Menu are Device Test, ORT Test, SVC Menu & Field Test.

The most important is the first one i.e The Device Test.

You can refer to the above screenshot for the device test list.

The second option in Stylo 3 Hidden Menu is the ORT Test.  The tests are most or less similar to the Device Test.

 

The 3rd option is the SVC Menu. This also includes lots of useful tests including the Moisture Detection Test.

The last option in the Stylo 3 Hidden Menu is the Field Test.  The tests are mostly network-related.

b. Data Menu (##DATA#) – LG Stylo 3 LS777

 

The dialer code to enter data menu on Stylo 3 is ##3282#

You can view or edit information. The options under the data menu are listed above.

c. Debug Menu (##DUBUG#) – LG Stylo 3 LS777

The next dialer code reveals the Debug Menu. The code is ##33284#

Network related issues can be fixed using the debug menu.

d. Diagnostics Menu (##DIAG#) – LG Stylo 3 LS777

The Diag Mode on Stylo can be accessed by dialing ##3424#

It is disabled by default but can be enabled as shown above.

Usually, CDMA Programming is done after enabling the diag mode.

e. Forced Update Dialer Code (##UPDATE#) – LG Stylo 3 LS777

To activate your Stylo 3 forcefully on Boost Mobile/Sprint/Virgin Mobile Network, dial ##873283# using the phone dialer.

f. IMEI Code – LG Stylo 3 LS777

Both IMEI and MEID are revealed on Stylo 3 LS777 by dialing *#06#

g. Reset Brand Customization (##BRAND#) – LG Stylo 3 LS777

To reset the device provisioning parameters and brand customization on Stylo 3 we have to dial ##27263#

h. Sprint OMADM Hidden Menu (##OMADM#) – LG Stylo 3 LS777

To access Sprint OMADM Hidden Menu on Stylo 3 dial ##66236#

It will ask for a 6 digit service code which can be obtained from your service provider.

i. Code to Reset the Network (##RTN#) – Stylo 3 LS777

To reset the network settings including MSID on your Stylo 3, dial ##786# as shown above.

j. Special Code to Reset the Network (##SCRTN) – Stylo 3 LS777

There is one more code to reset the network. The special code to reset the network is ##72786#

It erases the MDN, MSID, Slot 1 NAI & Slot 1 NAI Password.

k. System Error Log (##LOG#) – Stylo 3 LS777

The code to access System Error log is ##564#

2. LG Stylo 3 Plus Secret Dialer Codes – MetroPCS MP450 / T-Mobile TP450

The dialer codes for MetroPCS / T-Mobile Stylo 3 are different from the Boost Mobile Stylo 3.

a. Calendar Info Dialer Code – Stylo 3 Plus MP450 / TP450

To check the Calendar Info on Stylo 3 Plus, dial *#*#225#*#* using the phone dialer.

b. Google Play Services FCM Diagnostics Code – Stylo 3 Plus MP450 / TP450

The Google Play Services FCM Diagnostics Menu can be accessed on Stylo 3 Plus using this code *#*#426#*#*

c. RLZ Debug UI – Stylo 3 Plus MP450 / TP450

The next Stylo 3 Plus Secret Code gives access to RLZ Debug UI as shown above.

The dialer code is *#*#759#*#*

d. Testing Code – Stylo 3 Plus MP450 / TP450

The next is the “Testing” Menu Dialer Code.

There are 4 Options in this Menu which are Phone Information, Battery Information, Usage Statistics & Wifi Information.

The first option i.e Phone Information fails to open on Stylo 3 Plus.  You can refer to the last screenshot above.

The second option in the “Testing” Menu is the battery Information.

This shows the current status of the battery. You can check out the above screenshot for more details.

The 3rd option is the Usage Statistics. It keeps a tab on app usage duration and the time when it was used the last time.

The Wifi Information can be useful in troubleshooting Wifi related issues.

e. IMEI Code – Stylo 3 Plus MP450 / TP450

The IMEI code is similar to the Boost Mobile Stylo 3. As Stylo 3 Plus is a GSM phone, it only shows the IMEI.

f. Operator Hidden Menu Code – Stylo 3 Plus MP450 TP450

Unlike Boost Mobile Stylo 3, Stylo 3 Plus has got 2 Hidden Menus.

The dialer code for the first Hidden Menu is 277634#*#

The test options under the Hidden Menu can be seen in the above screenshots.

g. Stylo 3 Plus Main Hidden Menu – MP450 / TP450

The Main Hidden Menu on Stylo 3 Plus can be accessed using the dialer code *#546368#*450#

The test options are similar to the Boost Mobile Hidden Menu.

Only the ORT Test is replaced by ELT Test.  The name is changed but the test options remain the same.

 

3. LG Stylo 3 Cricket Secret Dialer Codes – M430

 

Except for the Hidden Menu code, the dialer codes for Cricket and MetroPCS/T-Mobile Stylo 3 is one and the same.

a. Hidden Menu Code – LG Stylo 3 M430

Open the phone dialer on your Cricket Stylo 3 and dial *#546368#*430# to access the hidden menu.

The test options within the Hidden Menu are similar to Boost Mobile & MetroPCS Hidden Menu.

b. Google Play Services FCM Diagnostics Code – Stylo 3 M430

The Google Play Service FCM Diagnostics code for Stylo 3 Cricket is *#*#426#*#*

c. Calendar Info Code – Stylo 3 M430

The Calendar Info code for Cricket Stylo 3 is *#*#*225#*#*

d. RLZ Debug UI Code – Stylo 3 M430

RLZ Debug UI Code for Cricket Stylo 3 is *#*#*759#*#*

e. Testing Code – Stylo 3 M430

The Testing Code for Stylo 3 M430 is *#*#*4636#*#*

f. IMEI Code – Stylo 3 M430

IMEI Code for Cricket Stylo 3 is *#06#

 

4. LG Stylo 3 Tracfone / Straight Talk Secret Dialer Codes – L83BL / L84VL

On Tracfone & Straight Talk Stylo 3 you can try the combination of the above codes for MetroPCS, Boost Mobile & Cricket Variant.

Please share the working codes via the comment section below.

 

For any query related to LG stylo series smartphones, please leave a comment below.

How to unlock LG Stylo 3 for free – MetroPCS, T-Mobile, Boost, Straight Talk

I got my LG Stylo 3 Plus MetroPCS unlocked for free without using any unlock code or unlock tool. Beware of websites who sell fake unlock tools with a claim to unlock your phone.

LG Stylo 3 is sold by almost every prepaid carrier in the USA including MetroPCS, T-Mobile, Cricket, Boost, Straight Talk etc. The method of unlocking varies for each and every carrier.

For example, none of the Stylo 3 variants can be unlocked with an unlock code except, Cricket. Prepaid phones of MetroPCS/T-Mobile have a device unlock app pre-installed through which I got my Stylo 3 plus unlocked.

Let’s check out the unlocking procedure for MetroPCS / T-Mobile and later on we would find out ways of unlocking Stylo 3 by Boost Mobile, Cricket & Straight Talk.

 

How to unlock LG Stylo 3 Plus MetroPCS / T-Mobile via Device Unlock App

I purchased a New LG Stylo 3 Plus MetroPCS MP450 from eBay and following the below procedure I was able to unlock it for free. You can give it a try if it doesn’t work then there is a paid solution to get your phone unlocked.

On your LG Stylo 3 Plus Home Screen, look for “MetroPCS” and open it.

Now click on “Device Unlock” to run it.

Tap on “ALLOW” to accept the app permission request

 

 

Now, Tap on continue to proceed with the unlocking.

The app would connect to the server so it would require a data connection. Wifi is fine, cellular data is not mandatory.

Finally, click “Permanent Unlock” to permanently unlock your Stylo 3 Plus for all the GSM networks worldwide.

 

You can see, my unlock request got approved and after this only a Restart is needed to use the Stylo 3 Plus with other GSM carriers such as AT&T, Cricket, Straight Talk etc

If the above method doesn’t work for you, then you need to purchase LG Stylo 3 Plus MetroPCS/T-Mobile remote unlock service from eBay it starts from around $14 as of now.

 

How to Unlock LG Stylo 3 Ls777 Boost Mobile/Sprint/Virgin Mobile

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LG Stylo 3 Plus USB Debugging, Developer Options & OEM Unlock – How to Enable

LG Stylo 3 Plus is one of the few LG android phones with an unlockable bootloader. With an unlocked bootloader, we can easily root our Stylo 3 plus, flash a custom recovery (TWRP) & install a Custom ROM.

However, in order to unlock the bootloader, we need to Enable USB Debugging & OEM Unlock. Both of these options are found within the “Developer Options”. Let’s check out how to do this with the help of the following screenshots.

How to Enable Developer Options & USB Debugging on LG Stylo 3 Plus MetroPCS MP450 & T Mobile TP450

“Developer Options” is meant for developers and is kept hidden since Android Lollipop 5.1

We can unhide it quite easily on our Stylo 3 Plus.

Open Settings and tap on the “General” Tab. Now scroll down towards the bottom of the screen.

Click on “About Phone” to open it as shown above.

In “About Phone”, we’ve to open “Software Info”

You would notice the second last option is “Build Number”

We’ve to tap on Build Number 7 times to Enable Developer Options.

Once done a pop-up would appear for a moment “You are now a developer!”.

Now go 2 steps back to the Main settings page.

This time you would notice above “About Phone” a new option is visible i.e “Developer Options”.

Tap on it to open.  Accept the warning an proceed by clicking “OK”

Now scroll down to “USB Debugging” and tap on it to turn it ON.

 

Similarly, we’ve to turn ON “Enable OEM Unlock” in order to unlock the LG Stylo 3 Plus Bootloader.

Now that we’ve Enabled USB Debugging and OEM unlock we’re ready to unlock the Stylo 3 Plus Bootloader.

For any query, please leave a comment below.

 

LG Stylo 3 Plus USB / ADB Drivers MP450 & TP450 – Installation Tutorial

In this post, we’re going to download and install the latest Windows 10 (& MAC) drivers for LG Stylo 3 Plus MetroPCS MP450 & T-Mobile TP450.

While using the LG Stylo 3 Plus, every now and then we need to connect it to the computer and driver installation is necessary for various modes of USB connection.

We need to install LG MTP drivers for file transfer between phone & PC, LG ADB drivers for Fastboot Mode & LG Serial Port Driver for doing a Firmware update in the Download Mode.

First of all, we’re going to install the latest LG Mobile Driver using the setup file on our computer. You can download the file from the below link –

DOWNLOAD

For Mac (LG Mobile Driver v5.4) follow the below Link –

DOWNLOAD

Click on the Setup file “LGMobileDriver_WHQL_Ver_4.2.0.exe” to start the USB driver installation.

 

We’ve to complete the InstallShield wizard by following step by step instructions as shown above.

Wait for the installation to complete.

The driver has installed successfully.

Now we’re ready to connect our LG Stylo 3 Plus to the computer.

 

In this post, we’re going to install LG Stylo 3 drivers for 3 different modes of USB connection which are –

  1. ADB Driver installation when connected in Fastboot Mode 
  2. USB Modem & Serial Port Driver Installation when connected in Download Mode
  3. MTP Driver installation when Stylo 3 is connected in File Transfer mode 

 

Let’s start with the installation of ADB Interface Driver. Many users face issue while installing this driver.

 

1. LG Stylo 3 Plus ADB Interface Driver Installation for Fastboot Mode

First of all, we are going to Enable the Developer Options which is hidden by default.

Go to Settings < About Phone < Build Number

Tap 7 times on Build Number to unhide “Developer Options”

Now go 2 steps back.  Above “About Phone” you’ll find “Developer Options”.

Open “Developer Options”. Now scroll down and look for USB Debugging.

Turn it ON by accepting the warning pop-up.

Now connect your Stylo 3 Plus to the computer.

 

The USB connection mode can be set to “Charging” or “File Transfer”

Wait for the ADB Interface driver to install on its own.

LGE Mobile ADB Interface driver is installed successfully.

Download and install the “Minimal ADB and Fastboot” program on your computer.

DOWNLOAD

As the name suggests, this program eliminates the need to download the whole Android SDK package to connect the phone in ADB mode.  Thanks to shimp208@xda for creating this awesome software.

Run Minimal ADB and Fastboot program. It would launch the cmd command prompt window.

If LG Stylo 3 Plus ADB Interface driver is not installed successfully we cannot write any command in the cmd  Window. It would display a message “waiting for device”

 

Type adb devices and hit Enter on your computer keyboard

You can see our phone model is detected as LGMP450 under the “List of devices attached”

However, you can notice the connected device is “unauthorized”

If at this point, you’ll look at your phone screen there must be a pop-up asking for authorization to Allow USB Debugging.

Tap “OK” to Allow USB Debugging.

Now again type adb devices and hit Enter

Now, the computer is authorized and we can write a command to boot the phone in the fastboot mode.

To enter fastboot, type adb reboot bootloader and hit Enter

Your Stylo 3 Plus must be now in Fastboot Mode a shown above.

Once again we’ve to install the ADB Interface Driver in the fastboot mode.

Wait for the driver to install.

You can see in Device Manager, the driver installation has failed.

If same is the case with you, then follow the below steps to manually install the ADB Interface Driver.

Open Device Manager.

Under “Other Devices” you’ll find “Android” with an exclamation mark

Right Click on it and select “Update Driver Software”

Now tap on “Browse my computer for driver software”

 

Click on “Let me pick from a list of device drivers on my computer”

 

You can see “ADB Interface” under the list of hardware devices, select it an click “Next”

Now select the Manufacturer i.e Google or Samsung

Even if we install the ADB interface driver from Samsung it would work.

I’ve selected Google Inc as shown above.

Under “Model” select “LGE Mobile Sooner Single ADB Interface” and click Next.

Accept the installation warning by tapping on “Yes”

The driver installation is successful.

The ADB Interface driver is now visible in the “Device Manager”.

Now we’re ready to unlock the LG Stylo 3 Plus Bootloader.

2. LG Stylo 3 Plus USB Modem & Serial Port Driver for Download Mode

 

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LG Stylo 3 Plus MP450 Hidden Menu & Other Secret Dialer Codes

LG Stylo 3 Plus MetroPCS MP450 & T-Mobile TP450 has got a few useful dialer codes which when dialed reveal a Secret Menu. The most significant secret menu is the “Hidden Menu”.

It has got an extensive list of options which can bring changes to system level settings. The hidden menu also allows us to test Wifi, Bluetooth, GPS etc & can be used for troubleshooting purposes.

Let’s explore all the Stylo 3 Plus dialer codes starting with the Hidden Menu.

1. LG Stylo 3 Plus Dialer Code to Enter the Hidden Menu

 

LG Stylo 3 Plus Hidden Menu Secret Code

 

Open the phone dialer and dial 277634#*#

As soon as you would dial the last character i.e # the Hidden Menu will open.

LG Stylo 3 Plus Hidden Menu

The above screenshot shows a complete list of options under the hidden menu. Let’s check out a few of them in the following screenshots.

Watch the above video to explore every available option in the Hidden Menu.

LG Stylo 3 Plus Hidden Menu – Version Info

LG MP450 Hidden Menu Version Info

The Version Info gives us the current Software Version, Firmware Version, Kernel Version, Baseband Version, Hardware Version, Factory Version as well as the Anti-rollback Version.

As you can see the Anti-rollback version is 0, this means the current firmware can be downgraded.  If it’s 1, then rolling back to the previous/lower version is not possible.

LG Stylo 3 Plus Hidden Menu – Bluetooth Test

LG Stylo 3 Plus Bluetooth Test

As visible in the screenshot above, BT stands for Bluetooth Test.

The first option BT_Test asks for a “Service Code Input”. It is meant for LG Service technicians and should not be messed with.

LG MP450 Bluetooth Test

The next option under Bluetooth Test is Bluetooth FCC.

Now I’m not sure if this FCC stands for Federal Communications Commision or something else. It has got various testing parameters which I can hardly deduce.

LG Stylo 3 Plus Hidden Menu – Wifi Test

LG Stylo 3 Plus Wifi Test

The next option in the list is “Wifi Test”.

Under Wifi Test, “Net Info” reveals the network information of the connected wifi network.

LG MP450 Wifi Teset

The next option under Wifi test is FTM test.

FTM either stands for Field Test Mode or Fine Timing Measurement. We can set the testing parameters and start the FTM test as shown above.

LG TP450 Wifi Test

The next option is “OTA Settings”. Using this we can Enable or Disable OTA (over the air) software updates.

I can be very helpful in preserving data when you’re reluctant to update the current Android software.

LG Stylo 3 Plus Wifi Debug Screen

Wifi Debug screen gives a detailed information of the connected Wifi network which can prove useful for Wifi debugging.

LG Stylo 3 Plus Hidden Menu – GPS Test

LG Stylo 3 Plus GPS Test

After the Wifi Test, comes GPS Test as visible in the screenshot above.

The first test under GPS is GNSS test, where GNSS stands for Global Navigation Satellite System.

 

LG MP450 GPS Test

The next test under GPS is GNSS Positioning Test.

Change the location mode from Battery Saving to normal mode before performing this test.

LG TP450 GPS Test

The last GPS test is Air Test. We need to turn ON GPS to perform this test.

You should perform any of these tests only in case you’re facing some issues with GPS on your Stylo 3 Plus.

LG Stylo 3 Plus Hidden Menu – Network Mode Selection (RAT_Selection)

LG Stylo 3 Plus Network Mode Selection

The next significant option after GPS test is RAT_Selection.

It is nothing but Network Mode selection. Using this we can switch between 2G, 3G, and 4G LTE networks.

LG Stylo 3 Plus Hidden Menu – Enginnering Mode

Stylo 3 Plus Engineering Mode

After RAT_Selection comes Engineering Mode.

It is related to cellular network testing and should not be messed with.

LG Stylo 3 Plus Hidden Menu – Battery Status

LG Stylo 3 Plus Battery Status

Battery Status gives us a detailed battery report including its health, voltage, and temperature as visble in the screenshot above.

LG Stylo 3 Plus Hidden Menu – Unlock APN

Stylo 3 Plus APN Unlock

APN Unlock option can be useful for GSM + CDMA phones from LG wherein the APN is locked and cannot be modified.

LG Stylo 3 Plus Hidden Menu – Add Volte Test APN

Stylo 3 Plus Volte Test APN

“ADD Volte Test APN” can be useful in troubleshooting data related issues when using Volte for the internet.

LG Stylo 3 Plus Hidden Menu – IMS Setting

LG Stylo 3 Plus IMS Setting

Few LG users have faced error message “LG IMS has stopped working”.

The solution is to change the IP version from default IPV6V4 to IPV4V6 under “IMS Setting”.

LG Stylo 3 Plus Hidden Menu – LTE Data Test

LG Stylo 3 Plus LTE Data Test

The next is the LTE Data Test.

I can be useful in troubleshooting issues related to LTE data connectivity.

LG Stylo 3 Plus Hidden Menu – Benchmark Enable

Stylo 3 Plus Benchmark Enable

The “Benchmark Enable” option is disabled by default and can be checked to turn ON as visible in the screenshot above.

LG Stylo 3 Plus Hidden Menu – Port Check Test

Stylo 3 Plus Port Check Test

Port check Test needs turning ON to enable Diagnostic Mode.

Diag mode is usually needed for programming CDMA phones.

LG Stylo 3 Plus Hidden Menu – Charging Mode On/Off

LG Stylo 3 Plus Charging Mode ON OFF

I haven’t tried to disable the charging mode to the OFF position. Maybe it disables USB charging when connected to a computer.

 

2. LG Stylo 3 Plus Dialer Code to Enter “Phone Testing Menu”

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LG Stylo 3 Plus Download Mode & Recovery Mode MP450 / TP450

The 2 most significant modes of troubleshooting on LG Stylo 3 Plus are Recovery Mode & Download Mode.

As the name suggests, recovery mode is useful is recovering our Stylo 3 Plus if acting abnormally or not booting at all. Recovery Mode is a separate partition so even if the phone is not booting to the Home screen we can still access the recovery mode. We can perform factory data reset / hard reset via recovery mode.

Download Mode offers a higher level of troubleshooting as compared to recovery mode. In recovery mode, we can only perform a factory data reset. However, if the problem is severe and boot partition is affected then download mode comes to rescue. Download Mode can be used to flash a stock Stylo 3 Plus firmware to restore the boot partition thus unbricking the phone to working state.

Let’s check out how to get the most out of these modes of troubleshooting –

 

How to boot LG Stylo 3 Plus MP450 & TP450 into Download Mode

Before booting our Stylo 3 Plus into Download mode, we need to install LG USB Driver on our computer. If you’ve not yet installed the LG driver download the setup file from the below link –

DOWNLOAD

Click on the downloaded exe file i.e “LGMobileDriver_WHQL_Ver_4.2.0.exe” to run the setup wizard.

Complete the driver installation by following the InstallShield wizard as shown above.

Once the driver installation is complete we’re ready to connect the phone to PC in Download Mode.

To Enter Download mode –

Power OFF your Stylo 3 Plus

Connect one end of a USB data cable to your phone. Now press the Volume UP key as shown above

Keep the Volume UP button pressed and connect the other end of the USB data cable to the computer.

Your Stylo 3 Plus must be now in the Download Mode.

Download Mode is the black Firmware Update screen as shown above.

Its shows the firmware update process while flashing a stock firmware in Download Mode.

As soon as you boot into download mode the driver installation will initiate on its own.

Wait for the driver installation to complete.

Notice the driver installation.

LGE AndroidNet USB Modem & LGE AndroidNet Serial Port driver is needed for flashing a stock ROM.

Now we’re ready to restore a bricked LG Stylo 3 Plus MP450 / TP450.

How to boot LG Stylo 3 Plus MP450 & TP450 into Recovery Mode

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