How To Unlock A T Mobile G1

If you'd like to use your T-Mobile G1 cell phone with another service, you'll need to unlock it. Read on to learn how to unlock your T-Mobile G1 cell phone.

Introduction

If you want a G1 mobile phone and you are happy with T-Mobile as a service provider, you're all set. If you would prefer to use the G1 with another wireless provider, however, you'll need to unlock the T-Mobile G1 mobile phone.
Step 1: Get a SIM Card From Your New Mobile Provider
1. Select a mobile phone provider that has GSM service.
2. Get a SIM card from your new provider.
3. In order to unlock your T-Mobile G1 phone, you need to insert the new SIM card into your phone, and enter in your SIM unlock code.
4. The process itself is fairly simple; the complication is getting the T-Mobile G1 unlock code.
Step 2: Wait 90 Days

T-Mobile has a policy of providing unlock codes for phones after 90 days. If you can wait the three months, you can get the unlock codes from T-Mobile at no cost.
Step 3:Buy a T-Mobile G1 Unlock Code

If you don't want to wait 90 days, you should be able to find a T-Mobile G1 unlock code online, either for sale on EBay or by doing a Google search.
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