GDPR

LG K121L(LGMK121L) aka LG X400 Compare

Model and Features
Model LG K121L
Series LG X400
Release Date February, 2017
Depth 7.9 mm ( 0.31 in)
Size (width x height) 148.7 x 75.3 mm (5.85 x 2.96 in)
Weight 144 g (5.08 oz)
Operating System Android 7.0 (Nougat)
Hardware
CPU 1.5 GHz Cortex-A53, Mediatek MT6750
CPU Cores Octa-core
RAM Memory 2GB
Internal Storage 16GB
External Storage microSD, up to 64 GB
Network and Data
Number of sim slots 1 Nano-SIM
2G network GSM 850/900/1800/1900 MHz
3G network HSDPA 850/900/1900/2100 MHz
4G network LTE 800, 850, 900, 1800, 2100, 2600 MHz
Data GPRS/EDGE
Display
Screen size 5.3 in, 77.4 cm2 (~69.2% screen-to-body ratio)
Display Type IPS LCD capacitive touchscreen
Display Resolution 720 x 1280 pixels, 16:9 ratio (~277 ppi density)
Display Colors 16M colors
Battery and Keyboard
Battery Capacity Removable Li-Ion 2800 mAh
Physical keyboard
Interfaces
Audio output 3.5mm jack
Bluetooth version 4.2, A2DP
DLNA No
GPS Yes, with A-GPS, GLONASS
Infrared port No
NFC Yes
USB microUSB 2.0 , USB On-The-Go
WiFi Wi-Fi802.11b/g/n, Wi-Fi Direct, hotspot
Region File name OS File size Date Downloads
LGT K121L10Y_00_0213.kdz Android 7.x Nougat 1949038910 2018-03-14 63 time(s)
LGT K121L20A_00_0917.kdz Android 8.x Oreo Mirror Release 1 1726067992 2018-10-18 45 time(s)
LGT K121L20E_00_0212.kdz Android 8.x Oreo Mirror Release 1 1756123925 2019-03-21 6 time(s)

How to Factory Reset through menu on LG K121L(LGMK121L) aka LG X400 ?

  1. Open the Main Menu.
  2. Go to "Settings".
  3. In Settings choose "General".

  4. In General select "Backup & Reset".

  5. Next, clik on "Reset Phone".

  6. Confirm by clicking  "Erase Everything".

  7. Finally, press "OK".

  8. The hard reset is completed now. 
  9. As a result of these actions, the memory of your phone can not be restored.

How to Factory Reset through code on LG K121L(LGMK121L) aka LG X400 ?

  1. Turn on the phone.
  2. Open phone's Dialer.
  3. Enter one of the proposed codes:  3845#*121# or 277634#*# or *#546368#*121#.

  4. Confirm your actions by open "SVC Menu" or "Hidden Menu".

  5. Then select  " Factory Reset " (R&D Only).

  6. Finally press "OK".

  7. The hard reset is completed now. 
  8. As a result of these actions, the memory of your phone cannot be restored.

How to Hard Reset on LG K121L(LGMK121L) aka LG X400 ?


Type 1:

 

Type 2:

 

Type 3:

 

  1. Turn off the phone.
  2. Next press and hold the Power key and Volume down key for ten seconds.
  3. Release the power key while holding down the volume key.
  4. Next press the power button again.
  5. After these actions, the Factory Reset menu will appear on the screen.

    Type 1:

    Type 2:

  6. Use the Power key and Volume key to confirm the process.
  7. The hard reset is completed now.
  8. As a result of these actions, the memory of your phone cannot be restored.

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