Information about LG M400MT aka LG Stylus 3

LG M400MT Phone Specification

Model and Features
Model LG M400MT
Series LG Stylus 3
Release Date May, 2017
Depth 7.4 mm (0.29 in)
Size (width x height) 155.7 x 79.8 mm (6.13 x 3.14 in)
Weight 149 g (5.26 oz)
Operating System Android 7.0 (Nougat)
CPU 4 x 1.5 GHz + 4 x 1 GHz MediaTek MT6750
CPU Cores Octa-core
RAM Memory 2 GB
Internal Storage 16 GB
External Storage MicroSD, Up to 256 GB
Network and Data
Sim count 1 Nano-SIM
2G network GSM 850/900/1800/1900MHz
3G network HSDPA 850/900/1700(AWS)/1900/2100MHz
4G network LTE1900 (B2), LTE1700/2100 (B4), LTE2600 (B7), LTE700 (B28)
Screen size 5.7 inches (~72% screen-to-body ratio)
Display Type IPS LCD capacitive touchscreen
Display Resolution 720 x 1280 pixels (~258 ppi pixel density)
Display Colors 16M colors
Battery and Keyboard
Battery Capacity Non-removable Li-Ion 3200 mAh
Physical keyboard No
Audio output 3.5 mm jack
Bluetooth v. 4.2, A2DP, HS, LE, HSP, AVRCP, HFP, HID, MAP, OPP, PAN, PBAP, PBA, PAB, rSAP
Infrared port No
USB Micro-USB 2.0
WiFi Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot

LG M400MT Firmware List

Region File name OS File size Date Downloads
Mid/South America
M400MT10a_03_TCL_MX_OP_0905.kdzFile exist in our server Android 7.x Nougat 2.22 G 2017-09-26 13 time(s)
Mid/South America
M400MT10a_03_TCL_MX_OP_0905.kdzFile exist in our server Android 7.x Nougat 2.22 G 2017-09-28 6 time(s)

Here you can see region description table

How to Hard Reset on LG M400MT?

First way:

  1. For the purpose of turning off the phone, click and hold down the Power Key during a short time.
  2. After that click on the Volume Down button and Power button contemporaneously till the LG logo is displayed.
  3. When the LG logo is appeared on the display, release the Power Key, continue to click on the Volume Down and next press once again the Power button.
  4. Then the factory reset menu appears.
  5. You have to confirm the procedure by selection right options. Make use of Volume buttons to manage and Power button to reaffirm.
  6. Wait to finish the procedure.
  7. Successfully done! The hard reset LG M400MT has just been finished.

Second way:

  1. Click on the Power button in order to switch the phone on.
  2. After that select Settings from the Main Menu.
  3. Choose General and next Backup&Reset.
  4. Now choose Reset Phone.
  5. If you want to cancel all your information select Erase Everything.
  6. Choose OK to ´╗┐confirm the procedure.
  7. Success! You have just completed the hard reset procedure.

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