Thanks Mr Rob for the test report on AT&T R225 Go-Phone, which supported nativity by ZTE Unlock code calculator. Here we go how to.
WORKED FOR AT&T R225 AKA ZTE R225 GO PHONE!!! Just use the NCK Code -Rob
Phone Features
- Text Messaging
- Instant Messaging (IM)
- Mobile Email
- Web browser WAP
- Ringtones
- Games, puzzle, sports, action, card, racing
- Graphics and Themes
- Calendar
- Alarm clock
- Call waiting
- Caller ID
- Personal Organizer
- Address book
- Conference calling
- Call Forwarding
- USB connectivity
- Hands-free speakerphone
- TTY/TTD Compatible
Technical Specification
- GSM/GPRS 850/1900
- Internal memory storage 8MB

AT-T R225
Alen: I just followed the instructions found on this site and I got a message that the password is accepted but it fails to find some available network. I would like to use this device in Israel. Can it be something else with my settings I have to change?
Anyone, please…. Thanks in advance.
John Michael: The phone is unlocked. However, the AT&T R225 only works on 850/1900mhz. If you are in Europe it will not work as Europe and Asia use a different frequency of 900/1800mhz. You need a phone that supports 900/1800mhz.
Thanks John Michael for your comment.
To unlock this mobile from default provider,
- Get the IMEI of your AT&T R225 http://www.wintechmobiles.com/news/technology/how-to-find-timei/
- Calculate unlock code from ZTE Unlock code calculator using IMEI. http://www.wintechmobiles.com/tools/zte-unlock-code-calculator/
- Enter Calculated NCK code to your phone. http://www.wintechmobiles.com/unlocking/how-to-enter-unlock-code-to-zte-phone/
All done, you have a unlocked mobile now. Do comments.
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June 7th, 2011 - 19:27
Hi,
I had an AT&T R225 GoPhone that I just cannot unlock. Tried all the instructions at least 10 times each
What happens is that the phone says something like “Code Accepted” and then shuts itself down.
Can anyone help?
Thanks a lot,
Mike (in London, UK)
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August 15th, 2011 - 19:45
Same for me.Code accepted but could not find network.Can any one who has got sucess pl.elobarate and help? Can we use it on Vodafone,airtel,Bsnl in India? Pl.help.Thanks in advance
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August 15th, 2011 - 23:12
Mike,
The phone is unlocked. However, the AT&T R225 only works on 850/1900mhz. If you are in Europe it will not work as Europe and Asia use a different frequency of 900/1800mhz. You need a phone that supports 900/1800mhz.
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August 16th, 2011 - 14:30
Thanks Mick. I need to use it in India.Can you pl.guide me will it be used in India using any of our telcos- sim card-like BSNL,VODAFONE,TATA,AIRTELL etc. Do i need to do anything furthere?
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August 23rd, 2011 - 12:10
Hello mick,I checked from various places on web and blog and confirmed that R 225 is designed for 850/1900 and In India we have 900/1800 mhz. Is there any way to change the frequency? meaning by changing hardware or anything else? Is any technocrate has a solution?-Thanks.
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July 16th, 2011 - 01:57
Worked for me – in fact, I just entered ###825*09# without a SIM in it and when I turned it back on with the SIM it connected to Rogers!
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July 23rd, 2011 - 08:57
I actually could unlocked my R225!!!! it worked!!!! thank you!!!
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August 16th, 2011 - 14:35
it shows code accepted.I could unlock it.But when sim was inseted it does not recognise any network. I need to use it in India.Can you pl.guide and give complete procedure so i can start using it by any telcos sim card-like BSNL,TATA,AIRTEL,VODAFONE etc.Thanks in advance.
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November 5th, 2011 - 03:16
THANKS
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July 25th, 2011 - 06:11
Hey,
I need help getting an unlock code for my phone— imei# 012295007968904
it would be greatly appreciated : )
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July 26th, 2011 - 17:19
Hi,
I just followed the instructions found on this site and I got a message that the password is accepted but it fails to find some available network. I would like to use this device in Israel. Can it be something else with my settings I have to change?
Anyone, please….
Thanks in advance.
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0
August 15th, 2011 - 23:13
Alen,
The phone is unlocked. However, the AT&T R225 only works on 850/1900mhz. If you are in Europe it will not work as Europe and Asia use a different frequency of 900/1800mhz. You need a phone that supports 900/1800mhz.
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July 29th, 2011 - 08:17
How do you get the phone to be silent when you power on or off.
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August 10th, 2011 - 08:57
thank u very much!! u are a genius it works perfectly in my 2 phones gr 255 at t. saludos from argentina!!
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August 13th, 2011 - 17:58
I have followed all the instructions to unlock ZTE R225, The phone was unlocked but not able to register to the network. After unlocking when I try to connect to network using Airtel(India) network, the error pops as “failed to register to network”. Please add some solution to activate the network?
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August 13th, 2011 - 18:08
Let me know first 6 digit of your IMEI
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August 15th, 2011 - 23:15
Srikanth,
The phone is unlocked. However, the AT&T R225 only works on 850/1900mhz. If you are in Europe it will not work as Europe and Asia use a different frequency of 900/1800mhz. You need a phone that supports 900/1800mhz.
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August 23rd, 2011 - 10:51
same for me, failed to register to network. Im using globe(philippines) network. the phone unlocked but the network didnt registered. how to activate the network?
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August 16th, 2011 - 11:48
How do I set up data for H2O?
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August 23rd, 2011 - 11:08
Is’t possible to change the phone frequency to 900/1800 mhz for at&t r225? if ever, how?
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August 23rd, 2011 - 11:19
There may be a hardware and software update require. I did not check R225; but commonly RF filters and few network components has to be changed in order to work with different band. Also a software update require.
Is it worth spending time on R225 to change components? Let’s check.
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August 23rd, 2011 - 12:16
Yaa,good nailing.gr8 solution. Can any one has done this sucessfully? Can give the names of componenets to be used and name of softaware to be updated along with its download site? Or can we add two more bands 900/1800 and make it quad band?900/1800 mhz is freequencies used in India. – Thanks.
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August 23rd, 2011 - 16:59
Then let me read the service manual and find a solution through.
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November 30th, 2011 - 11:38
If anybody got the solution for indian network bandwidth i.e 900/1800, then please post the steps… It will be very helpful for most…
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August 27th, 2011 - 13:06
I unlocked my hungarian Telenor R222 ZTE phone , thank you very much.
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October 27th, 2011 - 13:14
Szia!
Azt írod, hogy függetlenítetted a Telenoros R222 telefonodat. Ezzel az unlock code számolóval csináltad?
http://www.wintechmobiles.com/tools/zte-unlock-code-calculator/
Köszi!
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September 27th, 2011 - 04:51
Didn’t work. I tried both codes and both were rejected by the phone
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October 15th, 2011 - 00:32
Excellent. Worked like champ. I can use this go phone now.
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February 4th, 2012 - 15:02
HI,
I have been trying to use R225 in India ( Airtel ) but the phone is not able to detect any network, i understand that this is due to the different frequency i Europe and Asia , can any help in getting this resolved…….. Thanks in advance….
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November 13th, 2011 - 00:50
zte g r 221 when open free.
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November 13th, 2011 - 04:08
Already, http://www.wintechmobiles.com/unlocking/zte-g-r221-instant-free-unlock/
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December 4th, 2011 - 18:13
I need a code to unlock a phone for a samsung mythic (A897).
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December 17th, 2011 - 15:14
thank you very much, is working.
god bless men!
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January 2nd, 2012 - 10:38
awesome man
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January 9th, 2012 - 17:52
I need help getting an unlock code network for my phone— imei# 01229500759338
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January 9th, 2012 - 17:57
I need help getting an unlock code network for my phone— imei# 01229500759338, Can ZTE R225 operate in my hometown couse I live in indonesia
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January 9th, 2012 - 17:59
This should work for you. try zte unlock code calculator. but I’m not sure about network coverage. Is it a American regional phone?
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January 16th, 2012 - 23:35
zte 222 imei:865155005101
plz help me to unlock this phone.
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January 30th, 2012 - 21:16
no puedo desbloquear mi celular at&t modelo R225 y es un celular que fue traido de USA y no puedo usarlo en Guatemala, cual es el codigo de desbloqueo???
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February 6th, 2012 - 12:54
only 1900 freq sim will work.
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April 2nd, 2012 - 07:56
Worked like a charm. First try and took less than 60 seconds for unlocking and operating on t-mobile USA!!! Thanks.
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May 1st, 2012 - 05:15
getting and unlocking the phone really worked but I couldn't find available network,, why is it?
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May 10th, 2012 - 22:00
that one works but we also need an NCK for ZTE G R222.
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June 16th, 2012 - 18:10
necesito el nck del celular andriod zte me urge! plisss ayuda
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June 18th, 2012 - 01:08
AT&T R225 have use viet nam?
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June 21st, 2012 - 18:10
oh boom
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June 30th, 2012 - 00:02
great thanks alot Now I just gotta find the network.
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July 18th, 2012 - 04:30
Hi. I bought an at&t zte cell by internet and need to unlock it for using in my country. The model is z331. I'll appreciate your help.
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August 6th, 2012 - 05:35
Good but we need r222 code.
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January 20th, 2013 - 07:49
phone was unlocked but no service.
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January 20th, 2013 - 07:56
What is the phone model? and which network you're trying to use?
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January 20th, 2013 - 08:14
Win Tech Mobiles: It's R225 and I'm trying to use it here in the PH. I saw an old post about a different frequency in Asia and Europe so I guess that's the issue.
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January 20th, 2013 - 08:16
Network's Smart Telecom.
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January 20th, 2013 - 08:21
Yes, AT&T R225 can't be used outside USA and Canada.
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January 20th, 2013 - 11:43
Unfortunately. Well, it can still be used though — for alarm purposes.
Thanks anyway for the unlock key!
)
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January 24th, 2013 - 17:24
Does this work for AT&T Z431?
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May 14th, 2013 - 14:28
can I have a question? I have a z431 model how can I unlock? I need a unlock code.. answer me please.
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