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Can you use att sim card to t mobile phone?
YES, you can. IF you have an unlocked code for your at&t phone with T-mobile service. If you don't have an unlocked code, go to your local at&t store and they will unlock it for you, And, you won't lose any information with your T-mobile plan when you put your T-mobile Sim card on your at&t phone.
Unlock Your T-Mobile myTouch?
A T-Mobile myTouch smart phone is locked to T-Mobile service using a SIM lock. To switch to another carrier, you must unlock the phone. T-Mobile customer service will provide the unlock key code if your account meets certain criteria. Turn the phone off and flip it over. Slide the back towards the phone's bottom edge. Take the battery and the T-Mobile SIM card out. Insert the new carrier's SIM card. Replace the phone's battery and back cover. The phone will ask for a "SIM network unlock PIN". Enter the code provided by T-Mobile and tap the "Unlock" Button.
How do you unlock t-mobaile?
What definition of unlock? • Unlock a locked sim? • Unlock the phone for use with T-Mobile
Can you use a tmobile phone with a ATT sim card?
Yes you can. Tmobile an AT&T both run on a GMS frquency. Mymalathy answer: You need to unlock from AT&T Network lock,then you can use the T-Mobile Network,You can use the unlock code to unlock it... after unlock it use your phone with any GSM Network Sim card..
What is the t mobile unlock code?
Q Motorola T- mobile special code
What is the unlock code for a nokia 6700 t-mobile?
unlock code noika 6700 clasic t moble
Your SIM card won't work in another phone how can you make it work?
Because in the US all GSM devices (ones that require a SIM card) are SIM locked to their respective carrier (AT&T or T-mobile). Before you can use your SIM in another carrier's device you must get the SIM Unlock Code (some call it a Subsidy Unlock Code) from the service provider that the device was manufactured for and then they will also give you the instructions for inputting the code into your device.
Can you flash a t-mobile sidekick to at and t?
The Sidekick is flahsed to T-Mobile. You would have to unlock it first and then you could move it to AT&T, however, you would need the unlock code.
Will a t mobile sim work in a nextel phone?
No, it will give an error message asking for the unlock code. Once you get that error, you screwed up the sim and it will not work in either phone again and it locks up your phone and it cannot be unlocked. Nextel does not have the unlock code, Motorola made the phones that way.
Can you use a nextel sim card in a boost mobile I415?
If the phone is unlocked you can use a chip from any service provider. The chip must be the same brand as the people you pay your phone bill to. Like if you have t-mobile then you need a t-mobile sim card, but you can use an unlocked cricket phone.
Does my Motorola v3 phone from T-mobile needs to be unlock if I want to use a sim card from my samsung phone also from T-mobile?
No. As long as both phones are for T-Mobile, it should work.
Can you put a t mobile sim's card in a 8350i black nextel?
No, it will give an error message asking for the unlock code. Once you get that error, you screwed up the sim and it will not work in either phone again and it locks up your phone and it cannot be unlocked. Nextel does not have the unlock code, Motorola made the phones that way.
