Question about Samsung SCH-u740 Cellular Phone

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Keypad is locked on my daughters samsung u740 cell phone

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Its the last 4 digits of your daughters phone number. if that does not work take it to a Verizon phone and they will unlock it for free

Posted on Mar 03, 2009

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1 Answer

Only the power button works


My Dear your phone keypad ic default so please change keypad ic
and keypad problem will solved

Jul 25, 2012 | Samsung SCH-u740 Cellular Phone

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Will not boot up I believe the boot has been locked


what you need to do is take the phone to a mobile service center and have them fully service the phone, then reflash the firmware on the phone this will fix the issues.

Jan 20, 2008 | Samsung SCH-u740 Cellular Phone

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Switched to NAM2 and do not know the lock code.


Dial *22899 and press SEND to program the phone.
after it has finished downloading the programming information, the phone will reset.
The Lock code will now be set to the last 4 digits of your phone number.
when you have finished, be sure to switch back to NAM1 and dial *22899 again to re-program it.

Sep 30, 2009 | Samsung SCH-u740 Cellular Phone

1 Answer

Don't know lock code.samsung sch u740


Below are two known methods for unlocking your phone.

To unlock a Samsung turn the phone off take the sim card and type the following code *#pw+15853649247w#

Master reset(unlock) #*7337# (for the new samsungs E700 x600 but not E710)

Good luck, hope one of those works for your phone. Not 100% guaranteed to work on all models. Thank you for stopping by Fixya!

Mar 18, 2009 | Samsung SCH-u740 Cellular Phone

2 Answers

Lock code needed when erasing all contacts on sch-u740 cell phone


it's the last four numbers of the telephone number for that phone .. , it's the last 4 digits of the phone number that it had when it came to you

Mar 10, 2009 | Samsung SCH-u740 Cellular Phone

1 Answer

SCH-u740


ok one last shot i can think of is if you take the back cover off remove the battery and the sim card. if there is a reset button it should be there. that is all i can think of. one other thing is did she maybe hit the keypad lock by accident?

Aug 30, 2008 | Samsung SCH-u740 Cellular Phone

2 Answers

U740 inside LCD cracked - need replacement directions


James121 is not correct. In this case, with the Samsun sch-u740, the screws are simple small philips screws. Its also pretty tough to get the cover off. you also have to deal with alot of wires to replace the lcd, including soldering the speaker back to the lcd. this is not recommended for 99% of people.

Oct 11, 2007 | Samsung SCH-u740 Cellular Phone

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