Guide to Unlocking Your T-Mobile G1 Smartphone

Adapted by:  • Edited by: Simon Hill
Updated Sep 28, 2011
• Related Guides: G1 | T-mobile | Unlock Code

Want to unlock your T-Mobile G1 so you can use it on a network outside of T-Mobile? If so, you will need to understand how to unlock your device. This step-by-step guide will show you how to unlock your G1.

T-Mobile G1
click to enlarge
Unlocking your mobile phone offers you the basic freedom to be able to use any SIM card with your phone. When finished, you will be able to use the SIM card of any operator of your choice, and hence be free to use any SMS plans, data plans and call plans you want to. To unlock your T Mobile G1, you basically need the device's unlock code which is based on your mobile phone's serial number. Unlocking your mobile phone removes all the restrictions placed on it by your mobile phone operator.

There are many ways to unlock your T Mobile G1 -- all of them involve manually entering the unlock code into your G1.

To get your unlock code, you will first need to obtain your IMEI code (International Mobile Equipment Identity Code) which is unique to every phone. It is usually printed under the battery compartment of the phone.

An easy way to find out your IMEI on your T-Mobile G1 is to enter *#06# on your device's keypad and dial it. You will then see your 15 digit number. On a side note, it can be used by your network operator to identify stolen mobile phones and block them.

There are 2 separate steps you can take to get your unlock code:

T-Mobile G1 battery compartment
click to enlarge

Get Your Unlock Code Officially

To get your unlock code officially from T Mobile, first get your IMEI number by entering *#06# and pressing enter. Call T-Mobile customer care at 1-800-TMobile or send a message to a Live Chat representative online and ask them to provide the unlock code by giving your IMEI. They have a policy to provide free unlock codes 40 days after the purchase of any device on a postpaid plan and 60 days after the purchase of any device on a prepaid plan.

Get Your Unlock Code Unofficially

To get the unlock code unofficially, you can visit sites such as www.unlock-tmobileg1.com or more widely known sites such as dream.unlock-now.com. These companies provide you with a serial code based on your IMEI code for a small fee.

Enter Code to Unlock T-Mobile G1

After you obtain your unlock code, you will need to enter the code exactly as you are told. The unlock process for the T-Mobile G1 device is simple, just insert a non T-Mobile SIM card into your G1 and it will ask you for your device unlock code, enter it and your phone will be unlocked.

You can now use your G1 with any operator. Also, remember to enter the APN settings for your new operator in order to activate your G1, you can find this info from your carrier's customer service department or online in most cases.


Comments

Showing all 32 comments
 
Popito12 Feb 9, 2012 9:40 AM
RE: Guide to Unlocking Your T-Mobile G1 Smartphone
please help me to unlock my G1 T-mobile Phone which was a gift from my brother in the USA. My IMEI No. is 358279019379039,P/N:99HEW036-00, S/N :HT91AGZ05219D AND MY E-MAIL IS :popito12@yahoo.com
angelo cultura Jan 16, 2012 3:32 AM
RE: Guide to Unlocking Your T-Mobile G1 Smartphone
please i need an unlocking code for my g1 t-mobile this is my IMEI 351680037915232..<br>thanks in advance!..this is my email: el_kappano1962@yahoo..<br>thanks and best regards!..
angelo cultura Jan 16, 2012 3:28 AM
RE: Guide to Unlocking Your T-Mobile G1 Smartphone
please i need an unlocking code for my g1 t-mobile this is my IMEI 351680037915232..<br>thanks in advance!..this is my email: el_kappano1962@yahoo..<br>thanks and best regards!..
Saed Dec 13, 2011 1:06 PM
RE: Guide to Unlocking Your T-Mobile G1 Smartphone
Please i need an unlocking code for my G1 with IMEI  .351680031760667 Thanks <br>
Odidza Oct 4, 2011 2:27 PM
unlock code for t-mobile G1
sir please help me with this...my phone is asking for a code to unlock the phone....
IMEI 355751020699020 thanks
june May 14, 2011 1:23 AM
unlock
358279016298810
Eddie Lutero Feb 25, 2011 1:41 AM
Free Unlock code fo G1 T mobile
Will someone help me to unlock my G1 T-mobile Phone which was a gift from my sister in the UK. My IMEI No. is 358280010456354. My S/N is HT848KV04472 D. P/N 99HEWO42-00. Thanks. My email ad is edidakid_28@yahoo.com
Jim Feb 9, 2011 10:00 PM
Sim Network Unlock Code
Please i need help unlocking my HTC G1 i need the unlock code my IMEI # 351680037550500 Thanks
jim Feb 9, 2011 9:12 PM
unlock G1
i need help unlocking my G1
IME! # 351680037550500
KHAL Feb 9, 2011 3:28 PM
NEED TO UNLOCK
T-MOBILE G1 HTC
IMEI :355758087713699
I WISH YOU CAN DO THIS FOR ME THANK YOU S
john Feb 7, 2011 7:46 AM
unlock code for t-mobile 61
sir please help me with this...my phone is asking for a code to unlock the phone....
358279013911589 more power thanks
frandy montrevil Feb 4, 2011 12:17 PM
debloquer mon G1
aide moi a debloquer mon telephone G1 svp.IMEI:358279019561578
Robert Jan 25, 2011 3:17 PM
RE: Guide to Unlocking Your T-Mobile G1 Smartphone
Did anyone receive their unlock code? For free.
Srinivas Jan 19, 2011 8:13 AM
HTC Touch unlock code please
35392303218393701
stikeris1@gmail.com Jan 13, 2011 4:13 PM
taute
358280010471627 help t-mobile
stikeris Jan 13, 2011 3:54 PM
tautte
358280010471627 t-mobile unlock hlep my
Pragnanth Jan 12, 2011 3:36 AM
plz tell me the unlock code
Please can any one send me the unlock code for my HTC G1....
IMEI # 351680030518223

My mail ID is pragnanthv.in@gmail.com
Jaime Jan 10, 2011 8:10 PM
RE: Guide to Unlocking Your T-Mobile G1 Smartphone
Kindly send me the unlocking code:

355751020693684
Pragnanth Jan 10, 2011 4:12 AM
plz tell me the unlock code
Please can any one send me the unlock code for my HTC G1....
IMEI # 351680030518223
Fayol Sep 6, 2010 7:55 AM
Free unlock code
Please i need an unlocking code for my G1 with IMEI 358280010096119. Thanks
Walter Aug 8, 2010 4:11 PM
unlock code G1
can anyone help me finding a unlock code for my tmobile G1 please? IMEI: 358280017858016
thanx!
scanty Aug 3, 2010 7:53 PM
RE: Guide to Unlocking Your T-Mobile G1 Smartphone
some one please help me to get the unlock code for my phone name is t-mobile g1 the imel is 351680031996519
kimar Jul 24, 2010 1:49 PM
yo
how to unlock a g1 free to any country
Bob Jul 22, 2010 12:06 AM
HELP
Hi

Can someone find an unlock code for my g1 PLEASE.... I ordered it online but it doesnt work in Australia
IMEI 358279019808284,
daniel Jul 8, 2010 4:13 PM
t-mobile g1
my g1 had the keypad lock on and a friend enterd the code wrong 3 times and it askes for a google account and i entered the google account but it didnt work what do i do?
Moise Jun 23, 2010 6:42 AM
Free sim unlock code
some one please help me to get the unlock code for my phone. The phone name is T-mobile G1. The IMEI is 355752022658634
abdo Jun 18, 2010 11:01 PM
Unlocking G1
anyone has access to free unlocking code ? imei 355752020926843 thanks
JUNAID QURESHI Jun 5, 2010 1:40 AM
G1 UNLOCKING CODE
KINDLY END ME THE UNLOCKING CODE


IMEI # 358280012650954
Sam Mar 21, 2010 9:36 PM
unlocked my g1
got my unlock code from http://www.htccode.com , T-Mobile refused to give me the code.

Excellent site and I got the code in under 5 minutes.
HTC Dec 22, 2009 11:50 AM
HTC
Hi, You must be connected to Internet, over operator or WiFi.... Your G1 must synchronization with google server...
Charles Aug 26, 2009 6:52 PM
Same problem
I have the same problem, anyone found out how to resolve is problem?
Ghassan Aug 8, 2009 7:40 AM
getting started
hello i just reset my tmobile g1 phone to factory settings and when i turned on the phone it asks me to create a gmail account or sign in. i do have a gmail account so i chose login, and i typed things in but it said "there is a problem communicating with the google servers. this could be a temporary problem or your sim card may not be provisioned for data services."
so what can I do to resolve this problem
Regards
 
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