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unlock my t mobile samsung for use on cingular

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colball9
3D Hologram Enthusiast
Posts: 47

Phone Model:
motorola v 551

Service Provider:
cingular
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Wed Jul 27, 2005 10:59 am 
i need to unlock my samsung for use on with a cingular sim card and plan! does anyone know the unlock codes???
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Samsung
~Moto Hacking God~
Posts: 3203

Phone Model:
BB 8120
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Thu Jul 28, 2005 3:57 am 
what is the model, if its an older one my be a general unlocking code. But if its new you need cable and software.

colball9
3D Hologram Enthusiast
Posts: 47

Phone Model:
motorola v 551

Service Provider:
cingular
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Fri Jul 29, 2005 2:09 pm 
i am unaware of the age of the phones but i can tell you that it is a gsm SGH-R225M model. is there code that can be used?

Samsung
~Moto Hacking God~
Posts: 3203

Phone Model:
BB 8120
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Fri Jul 29, 2005 2:34 pm 
You can try this, its part of an email I made for someone that neede assistance unlocking a C225. Which is the newer version of that phone. It worked on his model but I cannot guarentee it will work on yours. USE AT YOUR OWN RISK, I take no responsibility for you damaging your phone.

Instructions

Unlock Codes
Code 1: *2767*688 then your IMEI and then press #
For example *2767*688352708000828246# (Everything before the / for C225)
Code 2: *0141#
Code 3: 00000000 (8 zero's)

Entering the Codes
1. Switch your phone off. Remove the original SIM card

2. Insert another SIM card from an alternative network. Power up your
phone. You should now see the "Wrong Card" message.

3. Type Code 1 into your phone, if this is entered correctly your
phone screen should now turn black and reboot itself. (C225 doesn't go
black but does reboot)

4. After the phone reboots the SIM card will be recognized and your
SIM will work. Be patient while your phone reboots and DO NOT press
any keys. At this point the phone is "Temporarily" unlocked.

5. Now at your idle screen type in Code 2 and hit the call button.
This should give you a message saying the phone is "Personalized".

6. Power off the phone and insert the original SIM, then power up.

7. At the SIM code prompt, it will ask you to enter a password. At
this stage enter Code 3.

8. After entering hit "OK" and your phone should complete initialization.

Your phone is now Permanently unlocked.

Note: These instructions assume the default password of 8 zero's.

colball9
3D Hologram Enthusiast
Posts: 47

Phone Model:
motorola v 551

Service Provider:
cingular
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Fri Jul 29, 2005 3:27 pm 
these codes are not working all it does is return to the wrong card message over and over again! you wouldnt happen to know of a different code would you?

Samsung
~Moto Hacking God~
Posts: 3203

Phone Model:
BB 8120
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Sat Jul 30, 2005 4:30 am 
No, im a cable and software guy, never used codes to unlock a phone personally.

Chesterbeag
Antenna Booster Novice
Posts: 1

Phone Model:
Sony Ericsson Z500a

Service Provider:
Cingular
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Tue Aug 02, 2005 2:06 pm 
I actually was sucessful in getting T Mobile to unlock my phone.
All you have to do is ask them.
I e mailed customer service and a few days later they gave me the code.
I had been a customer for 7 months prior.
I have recently switched to Cingular.
The only problem is the V 66 that was unlocked only works on the 1900 band.
Here in texas that is the old ATT towers.
Still works, but Cingular 850 puts out a better signal.
Still I have a phone for Intl roaming as it gets 900 and 1800 not 850.
sung
Antenna Booster Novice
Posts: 1

Phone Model:
Samsung SGH-C225

Service Provider:
cingular
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Thu Aug 18, 2005 6:16 pm 
Yeeha!! The code you gave me helped unlocking the phone SGH-C255. Thanks a ton.

I didn't have the original sim so I was unable to enter the third code you gave. I switched off the phone and pulled the battery out several times and the phone still seems to work. You said in your note that the phone will be temporarily unlocked. Do you see any problem?

I have another question. Is there a way to reset the previous password. I bought this phone from a ebay and the guy who sold me couldn't remember the password and the pin. Is there any way to reset those?

Thanks ... U Rock...

-----------------
xXxSamsungxXx wrote:
You can try this, its part of an email I made for someone that neede assistance unlocking a C225. Which is the newer version of that phone. It worked on his model but I cannot guarentee it will work on yours. USE AT YOUR OWN RISK, I take no responsibility for you damaging your phone.

Instructions

Unlock Codes
Code 1: *2767*688 then your IMEI and then press #
For example *2767*688352708000828246# (Everything before the / for C225)
Code 2: *0141#
Code 3: 00000000 (8 zero's)

Entering the Codes
1. Switch your phone off. Remove the original SIM card

2. Insert another SIM card from an alternative network. Power up your
phone. You should now see the "Wrong Card" message.

3. Type Code 1 into your phone, if this is entered correctly your
phone screen should now turn black and reboot itself. (C225 doesn't go
black but does reboot)

4. After the phone reboots the SIM card will be recognized and your
SIM will work. Be patient while your phone reboots and DO NOT press
any keys. At this point the phone is "Temporarily" unlocked.

5. Now at your idle screen type in Code 2 and hit the call button.
This should give you a message saying the phone is "Personalized".

6. Power off the phone and insert the original SIM, then power up.

7. At the SIM code prompt, it will ask you to enter a password. At
this stage enter Code 3.

8. After entering hit "OK" and your phone should complete initialization.

Your phone is now Permanently unlocked.

Note: These instructions assume the default password of 8 zero's.

Samsung
~Moto Hacking God~
Posts: 3203

Phone Model:
BB 8120
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Fri Aug 19, 2005 1:29 am 
Glad it worked for you.
cmhn12
Antenna Booster Novice
Posts: 1
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Thu Dec 08, 2005 12:19 pm 
ok i have the SGH-225 and it was on TMOBILE pre pay down in Florida, i am now spending some time up in canada and i want to unlock it so i can use it, i have tired useing the code that tmobile sent me but it didnt seem 2 work, when i put in a new sim card it says "sim crash call service provider" but when the cell phone both puts an old sim card from one of their phones it works just fine. idk what the prob is, the ESN number is 354979/00/343342/9 i have tired the method that was posted but that didnt do anything eather, i had 2 put the nubers after the / for it 2 even reboot so idk...PLZ HELP ME
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