Tips and tricks to fix LG X MACH or at some locations have name LG X FAST. The LG X MACH has 5.5 inches LCD screen with Quad HD resolutions to watch Full HD video streaming or offline movie files without problems using Android Marshmallow operating system. Find how to solve problems at LG X MACH (X FAST) at community.

At some country this phone also call by LG K600. This phone have two options when we want to buy at market, there are LG X MARCH K600 with single simcard or with dual simcard standby together, all type will have 4G LTE or EDGE data broadband for faster Internet access. The main operating system of LG X MACH (X FAST/K600) is Android Marshmallow.


What is Advantage of LG X MACH (X FAST/K600) Specifications?

Network GSM 3G HSDPA or with 4G LTE dual simcard
LCD 5.5 inches
Processor Hexa-core 1.4 GHz Cortex-A53 & 1.8 GHz Cortex-A57
Bluetooth / GPS / Wifi
Memory Internal 32 GB with 3 GB RAM
External memory 32 GB microSD
Camera 12.3 MP, autofocus, LED flash
Front Camera 8 MP for video conference and selfie photography
Operating System Android Marshmallow version 6
Battery Li-Ion 3000 mAh



How to backup data or Contact at LG X MACH (X FAST/K600)?

We can use microSD external card to copy or move important files using File Manager applications. If our LG X MACH (X FAST/K600) has already signed in with Google account, by default our contact will be synchronize in the background to Google server. Please make sure we check all contact at Google contact server using Internet browse to make sure backup is done.


#Option 1, Hard Reset LG X MACH (X FAST/K600) with software menu

  1. Turn on the LG X MACH (X FAST)
  2. Make sure the battery is not empty
  3. Backup important data at LG X MACH (X FAST) 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 X MACH (X FAST) will do the master reset process.



format lg x mach / lg x fast


#Option 2, Hard Reset LG X MACH (X FAST/K600) Factory Default using Hardware Secret Button Key

In some conditions, we can not do anything at LG X MACH (X FAST) 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 X MACH (X FAST) with hardware key button:

  1. Turn off the LG X MACH (X FAST)
  2. Make sure the battery LG X MACH (X FAST) 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 X MACH (X FAST) will continue master reset, wait for several minutes until the the phone start like new again.


Is That Any Secret Code for Doing Format LG X MACH (X FAST/K600) ?

There is no secret hidden code for LG X MACH (X FAST/K600) to make it back to factory default. Do the options above to hard reset it.


How to Format or Erase Phone Memory at LG X MACH (X FAST/K600) ?

There are two phone memory type at LG X MACH (X FAST/K600), one is internal memory and the other one is external memory. If we want to format internal memory phone then we have to do hard reset or reformat the operating system of LG X MACH (X FAST/K600) as well. Please use menu setting to do hard reset or reformat using #option 1 above, but make sure to give checkbox mark at Erase Internal SD card / Internal storage. Then it will reformat the factory default operating system and remove or erase any data inside internal memory.

To reformat or wipe or erase all data at external memory, we can use menu Setting > Storage > Erase Internal Storage / SD Card. Please always make sure all data has already backup before reformat or wipe everything, because it is hard to recover formatted / wiped data at internal or external storage.



How to Make Battery of LG X MACH (X FAST/K600) Stronger, Life Longer and Not Fast to Drain ?

The ideal battery capacity for 5.5 inches screen smartphone is 3000 mAh and this is also available at LG X MACH (X FAST). Therefore we can use this phone to support our activity fully one day without need to recharge. But we have to know that users maybe use LG X MACH (X FAST) for watch full movie or playing games for several hours, then maybe 3000 mAh battery capacity is not enough for one day, therefore we have to do some adjustment to make battery work more longer like make LCD screen brightness as low as possible. We also have to disable all not use network connections like GPS or Wifi or Bluetooth to make LG X MACH (X FAST) battery more stronger to work before turn off because of battery empty.