Question about Samsung SGH-D900 Cellular Phone

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Trying to put sim in my old handset but is asking for phone lock?

I do not know my "phone lock" code, have tried 00000000 a million times but does not work, rang my service provider an they gave me the puk code... which is something totally different, please help as i do not know how to unlock my phone to use it!
many thanks
gina.

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  • 78 Answers

TRY THIS 767856745 MAY BE THIS WORK FOR YOUR CELL MOSTLY THIS IS WORKED

Posted on Oct 06, 2009

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Posted on Jan 02, 2017

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1 Answer

Forgot phone lock code for GT-S5233S


Unlock Code
#*7337#

Entering Code instructions
1. Take out the SIM card from the phone and switch the phone on.
2. Enter the unlock code into your handset.
3. Now replace your SIM card and turn the phone on.
4. Your handset should now be unlocked.

Alternative Solution if the above fails

Unlock Codes
Code 1: *7465625*28782#
Code 2: *7465625*28638#

Entering Code instructions
1. Remove SIM Card from handset
2. Enter Code 1 into the handset
(Your handset will display "auto subset lock activated")
3. Enter Code 2 into the handset
4. Your handset should now be unlocked.

a) Enter an alternative network SIM card into your Samsung and reboot.
cool.gif The new network should be displayed in handset window.
c) If the process is repeated with yet another alternative network SIM card,
you may be requested to input a security or pin code to enable the use of
the new SIM card.
d) Enter 00000000 (8 zeros) which should enable the SIM to be accepted.
e) Finally once again enter 00000000 (8 zeros) and this should permanently
unlock the Samsung.

Final alternative Solution if the above fails

Unlock Code
#7465625*638*7337#

Entering Code instructions
1. Take out the SIM card from the phone and switch the phone on.
2. Enter the unlock code into your handset.
3. Now replace your SIM card and turn the phone on.
4. Your handset should now be unlocked

Jan 19, 2013 | Samsung Star GT-S5233 Cell Phone

1 Answer

Keep saying insert SIM card


You are trying to use a SIM from another Network or Handset but your phone is LOCKED to your old network and/or to a specific SIM card and number: this is why it is asking you for the unlock code to remove the restriction. It you are no longer under contract or obligations (such as minimum total recharge amounts for apre-paid handsets), then you could try to request the unlock code from the original service provider of your handset.
As for asking to insert SIM card, make sure that the SIM is correctly and securely inserted in your handset SIM holder. Also check that the SIM is still functional by inserting it in another handset: SIM card can be permanently and physically disabled if you attempt to enter too many consecutive invalid codes (usually around 10).
Hope it helps and good luck!

Jan 25, 2010 | Nokia 7260 Cellular Phone

1 Answer

I NEED PHONE LOCK FOR T MOBILE G600 SO I CAN PUT VODAPHONE SIM IN


1-Turn on the phone without sim card .
2-Pull off the battery cover and insert any non-accepted sim card (without turning off the handset)
3-Do full reset *2767*3855# , phone will reboot and goes to Menu .
4-Customize Sp-lock code *7465625*638*00000000*00000000#
5-Unlock your phone with new SP code #7465625*638*00000000#
6-Enjoy G600 unlocked

Tested with few pieces
biggrin.gif

Feb 08, 2009 | Samsung SGH-D600 Cellular Phone

2 Answers

Need samsung g600 unlocking code


I have just tried it with my new locked to orange g600 and it works fine on all networks.

1-Turn on the phone without sim card .
2-Pull off the battery cover and insert any non-accepted sim card (without turning off the handset)
3-Do full reset *2767*3855# , phone will reboot and goes to Menu .
4-Customize Sp-lock code *7465625*638*00000000*00000000#
5-Unlock your phone with new SP code #7465625*638*00000000#
6-Enjoy G600 unlocked

if it doesn't work after step 3.. try changing the 'non-accepted' sim card that ur putting in..
eg if you are locked to vodafone and you try this method and use an orange sim card and it doesn't work, try using a o2 sim or even virgin :)
its easy good luck

Jan 29, 2009 | Samsung SGH-G600 Cellular Phone

2 Answers

Sim locking.


Please try these codes. This might work fine for any sim...

*7465625*638*00000000*00000000#
NEXT ENTER
#7465625*638*00000000#
AND THEN *#7465625# to check the locks....all locks are inactive...these are all the locks...
network lock - inactive
subset lock - inactive
sp lock - inactive
cp lock - inactive
sim lock - inactive
activa lock - inactive
phone lock - inactive
auto network - inactive
auto subset lock - inactive
auto sp lock - inactive
auto cp lock - inactive
auto sim lock - inactive

Hope this works.Thank you.

Nov 24, 2008 | Samsung SGH-D900 Cellular Phone

3 Answers

Default security code?


Hello keith g670,
his will also bring the phone to default settings
1. First do a CUSTOM reset: *2767*2878# (star 2767 star 2878 hash)
turn off the phone

2. take out the battery and sim and put non-network SIM and insert it half way only,
so it won't ask for network password and when it shows "Insert SIM" message.
Only then fully insert the sim without removing battery or turning it off (tip: use a pin to push the sim in)

Now put the battery ,and switch the phone on .(phone shows "Insert SIM" message.)

3.With out turn off the phone push the sim fully in. At this stage the phone is still asking to "Insert SIM"

4. Make a FULL reset by typing: *2767*3855#(star 2767 star 3855 hash)

5. The phone should reboot working with "wrong" sim inside.

6. Make a Change the NCK password to 8 zeros by typing: *7465625*638*00000000*00000000#(star 7465625 star 638 star 8zeros star 8zeros hash)

7. Now Disable network lock By typing: #7465625*638*00000000#(hash 7465625 star 638 star 8zeros hash)
Phone is unlocked (check with *#7465625#)

Tried and tested OK


This was taken from http://forum.gsmhosting.com/vbb/archive/index.php/t-510615.html
Please post what you decide to do and how you do it. I look forward to your posts.

Nov 11, 2008 | Samsung SGH-E370 Cellular Phone

10 Answers

Unlock Nokia N95 8GB


plz give nokia n95 master cod

Apr 05, 2008 | Nokia N95 Cellular Phone

1 Answer

Security code


The Master code is for resetting the Security code, nothing else.
The SIM pin code is the one you use to switch your phone on.
The PUK (Personal Unblocking Key) is the code you use to reset the SIM pin code.
Your memory card doesn't make any difference. Whether it's in or out of the phone.

SIM pin code:
This is a pin code that locks the sim card until you enter the correct code. This protects your account, even
if your sim is put into another handset. To reset it, you need the PUK code:
Pin Unlock Code (PUK)
If you miss keyed (or forget) your SIM PIN code, and enter the wrong one 3-5 times in a row, the sim will lock up, and you’ll need to enter the unlock code to release it. You should ask your Network Service Provider for this code when you need it. Don’t try to guess it, because after a few wrong guesses, the SIM card will be permanently disabled.
Phone Security Code:
This locks the handset, as opposed to the sim card. You can also set some handsets to only accept a “new” sim if the phone security code is entered. To reset it, you need the Mastercode code:
Master Reset Code
Sometimes known as the Master Code, this allows you to unlock a handset if you have entered the Security Code wrongly too many times.
Which is the one that you want?
Special Code/Service Provider Lock Code:
This code is required to allow a phone locked to a particular network's SIM cards to be used with a SIM card from another network. Orange and T-mobile lock handsets in this way, though O2 and Vodafone are beginning to lock PAYG and WAP handsets. The unlock code varies from individual handset to handset.
Blacklisting:
This is not a security code, but it works like one! To help combat mobile phone thefts, the networks share a database of the IMEI (International Mobile Equipment Identity) of mobile phones that have been reported stolen. Once a phone is on this list, it will not be allowed to use any of the networks.
This can be a risk if you buy a second-hand phone, because if it has been stolen, or if an unscrupulous seller makes an insurance claim after selling, the phone you bought in good faith may be permanently disabled.
Be very careful to check the source of a second-hand phone!
7fa16f4.jpg

Mar 28, 2008 | Nokia N70 Cellular Phone

2 Answers

Unlock


give me IMEI no
i will u unlock code

Mar 19, 2008 | Nokia N70 Cellular Phone

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