Question about LG CU400 Cellular Phone

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Lg cu400 how to unlock it if i forgot my password

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You should try the last 4 digits of your cell phone number, if you have changed the default lock code and don't remember it, you will need a little more advance tools to unlock it, you might wanna check and see if you service provider has a repair center in town for a quick lock code read.
if you have the Software drives and cables for it you could use BitPim which is free online. If not, you will need to contact your cellphone customer service reps and find out if any repair centers, if no luck, try to track down a US Cellular repair shop and sweet talk them into reading lock code for you.
Hope this helps

Posted on Apr 30, 2008

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Locking and Unlocking the Device: FOR LG CU 400
  1. From the standby screen, press Menu.
    pattlnk_11202006_1832-standby.jpg
  2. Scroll to and select Settings.
    pattlnk_11202006_1835-settings.jpg
  3. Scroll to and select Security.
    pattlnk_732006_2014-security.jpg
  4. Scroll to and select Lock Handset.
    pattlnk_732006_2015-lock.jpg
  5. Select desired option:
    • When Power On
    • When Smartchip Changed
    • Immediately
    • Off
      pattlnk_732006_2015-lock1.jpg
  6. Enter the Security Code, press OK.
    NOTE: The default security code is 0000.
    pattlnk_732006_2016-lock2.jpg
Setting the PIN Code:
  1. From the standby screen, press Menu.
    pattlnk_11202006_1832-standby.jpg
  2. Scroll to and select Settings.
    pattlnk_11202006_1835-settings.jpg
  3. Scroll to and select PIN Code Request.
    pattlnk_732006_2018-set_pin.jpg
  4. Scroll to and select On.
    pattlnk_732006_2018-set_pin1.jpg
  5. Enter the PIN code, press OK.
    NOTE: Default PIN code is 1111.
    pattlnk_732006_2019-set_pin2.jpg
Changing the Security Code:
  1. From the standby screen, press Menu.
    pattlnk_11202006_1832-standby.jpg
  2. Scroll to and select Settings.
    pattlnk_11202006_1835-settings.jpg
  3. Scroll to and select Change Codes.
    pattlnk_732006_2022-change_code.jpg
  4. Scroll to and select Security Code.
    pattlnk_732006_2022-change_code1.jpg
  5. Enter the current Security Code, press OK.
    NOTE: The default security code is 0000.
    pattlnk_732006_2023-change_code2.jpg
  6. Enter in the New security code, press OK.
    pattlnk_732006_2023-change_code3.jpg
  7. Confirm Security Code, press OK.
    pattlnk_732006_2023-change_code4.jpg

IMPORTANT: If the incorrect lock code is entered more than 3 times the phone will display "ENTER PUK". If this message is displayed contact Customer Care.

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My code


i can not unlock my phone because i forgot the password. how to unlock my phone

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