Remove the battery cover of LG Gu290f Use your right thumb to press on the bottom center of the battery cover, then slide the cover upwards (as depicted below). Then, lift the cover of LG Gu290f to remove it.Getting started Install the SIM card Slide the SIM card into the SIM  card slot (as shown below). Make sure that the gold contact area on the card is facing downwards. To remove the SIM card, pull it gently in the opposit direction.Charging your LG Gu290f phone Unfasten the cover of the Charger/USB port on the left side of your phone. Insert the charger connector to the phone (the ‘LG’ side of the connector has to be facing up when connecting to the phone) and then plug into the wall socket. Your mobile phone will need to be charged until the Full Battery message appears on the screen. Important! You must insert the battery before charging.

Scroll Down for downloadable User Manual in PDF format 

Set Hotkeys Allows you to change the preferences on the Hotkeys that are currently assigned for your navigation keys (when in standby mode).Auto Key Lock This allows you to set the amount of time before your keys lock automatically.Flight Mode This allows you to only use the phone’s features that do not require the use of the wireless network when you are in an airplane or in places where the wireless network is prohibited. If you set the flight mode on, the flight mode icon will be displayed on the screen instead of the network signal icon.-On: You cannot make (or receive) any calls , including emergency calls, or use other features that require network coverage.

USB Connection Mode

You can transfer files from a compatible PC to the memory in your phone using the Mass Storage Mode. When you connect the phone to a PC using the USB cable, your phone will be displayed as a removable disk through Windows Explorer.The USB Connection Mode determines how your phone will communicate with other USB devices when they are connected with a USB cable.

How to unlock by code

Unlocking LG GU290f by code is very easy, it is also safest and non-invasive method of unlocking your phone. To get code for unlock. You need to provide IMEI number of Your LG. Type on keyboard *#06# or remove battery  to check IMEI number. IMEI is written on the information label.

Do You want to unlock your LG ? To get unlock code for LG we need only IMEI number.

You will also need a sim card from the network that phone is currently working. Sim card will be needed when you enter unlock code to Your phone. 

Codes for LG are from manufacturer database. Unlock codes are assigned to IMEI number.

If after enter to secret menu phone will ask for:

network lock - please enter NCK code

service provider lock - enter SPCK code.

How to enter code ?

To enter unlock code for LG, You need to insert sim card from network which is phone currently working and enter unlock sequence mode 2945#*xxx# where xxx is the model of LG phone numbers, for example, for KU990 enter 2945#*990#, GT540 enter 2945#*540#. When a secret MENU is shown, choos NETWORK and enter NCK code.

Features 

GSM frequencies :850 900 1800 1900

Standard UMTS :900 2100

Type :Slide

Dimensions (W x H x D) :99,57 x 46,99 x 16,26 mm

Weight :105,18 g

Main display :Color / TFT 256k colors 176 x 220 px (2.00")

Talk time (max.) :2G: 210 min. (3,5 h)

Stand-by (max.) :2G: 400 h. (16,7 days)

Standard battery :Li-Ion 900 mAh

Phonebook memory :1000 places

Internal memory :100 MB

Memory cards : microSD, microSDHC (up to 16 GB)

Touchscreen : No 

SAR (10g) :1,55 W/kg

DualSIM : No