GDPR

LG US991Z(LGUS991Z) aka LG G4 Compare

Model and Features
Model LG US991Z
Series LG G4
Release Date June, 2015
Depth 9.8 mm(0.39 inches)
Size (width x height) 76.1 x 148.9 mm(3.00 x 5.86 in)
Weight 155 g (5.47 oz)
Operating System Android 5.1 (Lollipop)
Hardware
CPU ARM Cortex-A57,1820 MHz/ARM Cortex-A53,1440 MHz
CPU Cores Hexa-core
RAM Memory 3 GB
Internal Storage 32 GB
External Storage microSD, microSDHC, TransFlash, microSDXC up to 32 GB
Network and Data
Sim count 1 Micro-SIM
2G network GSM 850/900/1800/1900MHz
3G network CDMA 800 1900 MHz/UMTS 850 900 1900 2100 MHz
4G network LTE 700 (B12), LTE 700 (B13), LTE 700 (B17), LTE 850 (B5), LTE 1700/2100 (B4), LTE 1900 (B2), LTE 1900 (B25)
Data GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, cdmaOne, CDMA2000 1xRTT, CDMA2000 1xEV-DO Rel. 0, CDMA2000 1xEV-DO Rev A, LTE, LTE-A
Display
Screen size 5.5 inches (~73% screen-to-body ratio)
Display Type IPS TFT LCD
Display Resolution 1440 x 2560 pixels (~537.5 ppi pixel density)
Display Colors 16M colors
Battery and Keyboard
Battery Capacity Removable Li-Ion 3000 mAh
Physical keyboard No
Interfaces
Audio output 3.5mm jack
Bluetooth v4.1, A2DP
DLNA Yes
GPS Yes, A-GPS, GLONASS, Geotagging, S-GPS, QuickGPS
Infrared port Yes
NFC Yes
USB microUSB 2.0, USB charging, USB Host, USB OTG 1.3, USB power supply
WiFi Wi-Fi 802.11 a/b/g/n/ac

How to Hard Reset on LG US991Z(LGUS991Z) aka LG G4 ?


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.

How to Factory Reset through menu on LG US991Z(LGUS991Z) aka LG G4 ?

  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 US991Z(LGUS991Z) aka LG G4 ?

  1. Turn on the phone.
  2. Open phone's Dialer.
  3. Enter one of the proposed codes:  3845#*991# or 277634#*# or *#546368#*991#.

  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.

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