Network: LG Optimus L9

Learn how to connect to data networks (2G, 4G) and data roaming on the LG Optimus L9.

 

 

 

 

APN & data settings

 

To set the Access Point Name (APN) and turn on data settings, follow these steps:

 

  1. From any Home screen, tap the Menu key.
  2. Tap System settings.
  3. If necessary, tap the Airplane mode Switch to Off.
  4. If necessary, tap the Power Saver Switch to Off.
    Note: Some power saving applications automatically turn off your APN and data connection if the power gets low.
  5. Tap More.
  6. Tap Mobile networks.
  7. If necessary, tap Data enabled to select the Check box.
  8. If you are roaming outside the T-Mobile network, tap Data roaming to select the Check box.

    Note: You will incur charges if you are roaming internationally.

 

Select an APN

  1. From any Home screen, tap the Menu key.
  2. Tap System settings.
  3. Under Wireless & networks, tap More.
  4. Tap Mobile networks.
  5. Tap Access point names.
  6. Tap the desired access point name.


Restore default APN settings

  1. From any Home screen, tap the Menu key.
  2. Tap System settings.
  3. Under Wireless & networks, tap More.
  4. Tap Mobile networks.
  5. Tap Access point names.
    Note: You need to create a blank APN to access the reset to default setting.
  6. Tap the Menu key and then tap New APN.
  7. In the Name field, enter a pretend name.
  8. In the APN field, enter a pretend APN.
  9. Tap the Menu key and then tap Save.
  10. Tap the Menu key and then tap Reset to default.
  11. Tap Yes.

 

 

Manual network selection

 

To manually select the wireless network the device connects to, follow these steps:

 

  1. From any Home screen, tap the Menu key.
  2. Tap System settings.
  3. Under Wireless & networks, tap More.
  4. Tap Mobile networks.
  5. Tap Network operators.
  6. Tap Search networks.
  7. Tap the network you want to use.

 

The device detects and registers on wireless networks inside T-Mobile’s calling area, but roaming networks are usually restricted to T-Mobile SIM cards. You can manually select a network only in areas where T-Mobile does not own GSM spectrum.

 

 

Switch 2G / 4G

 

To change the band between 2G and 4G, follow these steps:

 

  1. From any Home screen, tap the Menu key.
  2. Tap System settings.
  3. Under Wireless & networks, tap More.
  4. Tap Mobile networks.
  5. Choose one of the following options:

    • Tap Use only 2G networks to select the Check box and only use 2G networks.

    • Tap Network mode.
      • Tap one of the following options:
  • GSM/WCDMA (auto mode)
  • GSM only

 

 

Turn on / off Airplane mode

 

Airplane mode turns off wireless connections. This allows you to use apps and menus, but not make calls or use the internet.

 

To turn on or turn off airplane mode, follow these steps:

 

  1. From any Home screen, tap the Menu key.
  2. Tap System settings.
  3. To turn on, tap the Airplane mode Switch to On.
  4. To turn off, tap the Airplane mode Switch to Off.

 

 

Turn on / off data roaming

 

To turn on or turn off data roaming, follow these steps:

 

  1. From any Home screen, tap the Menu key.
  2. Tap System settings.
  3. Under Wireless & networks, tap More.
  4. Tap Mobile networks.
  5. To turn on, tap Data roaming to select the Check box and then tap Yes.
  6. To turn off, tap Data roaming to clear the Check box.

 

 

Turn on / off mobile data

 

To turn on or turn off mobile data, follow these steps:

 

  1. From any Home screen, tap the Menu key.
  2. Tap System settings.
  3. Tap Mobile data.
  4. Tap Mobile data On/Off.