Question about T-Mobile Sidekick® 3 Cellular Phone

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Sidekick 3 question

I purchse a sidekick 3 and I have cingular/at&t service. I can make and receive calls however when I go to text it is asking me for a PIN number. Can you help?

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Re: sidekick 3 question

Your phone needs to be unlocked to use the text option. The code it is asking for is the unlock code.

All of the main sidekick features like internet, aim and email won't be available if unlocked and used on a carrier other than t-mobile.

text and calling will once unlocked though.

Posted on Jan 11, 2008

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Re: sidekick 3 question - T-Mobile Sidekick® 3 Cellular Phone Cell Phones

Wat is the unlock code

Posted on Jan 22, 2008

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Re: sidekick 3 question

I thought sk3's only worked for tmobile...

Posted on Jan 10, 2008

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1 Answer


T-Mobile can not unlock Sidekick devices. You will have to search for a program or third party that can do it for you.

Apr 23, 2009 | T-Mobile Sidekick® 3 Cellular Phone

2 Answers

Text message problem with sidekick slide

Well for the past week or so, Sidekick has been having problems with receiving text messages from other service providers such as AT&T and Sprint. It is best that you call up customer service to find a solution.

Jan 07, 2009 | T-Mobile Sidekick® 3 Cellular Phone

1 Answer

Unlocking a Sidekick iD for Cingular?

Once your SIDEKICK is unlocked - it will ONLY work for TEXT and CALLS - no data - however, did you know that there is a cheaper solution, called yessim - cost is about $45 and can work on many phones, and be programmed in case you change devices.

Jul 22, 2008 | T-Mobile Sidekick ID Cellular Phone

1 Answer


1) Insert the Cingular SIM card into the back of the T-Mobile Sidekick ID (it should be located behind the battery).

2) Turn on the Sidekick ID, wait for the screens to load.

3) When the screen says "Waiting for Activation", hold the top left button (the "Menu" button with the three lines) on the Sidekick ID and hold the letter "L" on the QWERTY pad at the same time. After a few seconds, let go of the buttons.

4) If Step 3 is done correctly, the Sidekick should be directed to the jumpscreen and display all of the Menu's of the Sidekick ID.

It's very important to remember that you will only be able to use the SMS features of the Sidekick. Meaning, that you will not be able to use the internet, email, AIM/MSN/Yahoo messengers, or any of the data features. You will only be able to use the phone to call or text.

Jul 06, 2008 | T-Mobile Sidekick ID Cellular Phone

1 Answer

Unlocking sidekick

no sidekicks have a diffrent net work  the internet itself is powered by danger a difrent net work then all other internet phone and that doesnt work with att so ther for it will onli work for calls and text 

Mar 18, 2008 | T-Mobile Sidekick® 3 Cellular Phone

1 Answer

Can't text with this cingular razr with a tmobile sim card

Your service center number may be wrong in the phone. Call T-Mobile and ask for the service center number. You should be able to find it in your text messaghing settings. If it is rong (since it varies between carriers) it will stop text messages from going out.
You may also want to try your sim in a tmobbile phone and see if you can send text. Might be a problem on the network, not just with your cingular phone.

Feb 05, 2008 | Motorola Mobility RAZR Cellular Phone

2 Answers

Sidekick 3

1. Insert your non-TMobile sim card 2. The phone display says "Enter the code". 3. On your Sidkick, press the "X" button. 4. You will see the menu. 5. Choose the left-up angle button. 6. Choose "setting"--->"network"--->"scan and select manually". 7. The phone will search for your network. 8. When your Sidekick finds your network, you can use the phone to make calls

with other sim cards you cant use data services...t-mobile uses different type of connection from other companies

Jan 31, 2008 | T-Mobile Sidekick® 3 Cellular Phone

20 Answers

Unlock Code for Sidekick 3

ok the way to do it this jus lets u use text and calls i got cingular and i used my sidekick to txt and call here wat u gotta do

1. out sim card in
2. start phone
it will tell u sim card locked it needs special code(the code u get to pay for) juys exit outta that get to the main menu
3.hit the top letf menu button and go all the way down to sim center if u dont allready have a sim pin then enter a new one if u have one change it then ur phone should go from the big X to some bars and a hollow phone icon after you do that hit the menu button again and go to network options then go down and hit (SCAN AND SELECT MANULLY) then chose what ever carrier you have i have at&t so i chose it after a few seconds the hollowed out phone icone should be colored in and u can now text and call

Dec 03, 2007 | T-Mobile Sidekick® 3 Cellular Phone

2 Answers

How do i text when sidekick 3 is unlocked?

When you say unlock it do you mean that you changed the network settings? because that is not really unlocking it. you still need a "special code" which so far I have only seen that you can get that by paying anywhere from 80 to 100 dollars for. or you could call T-mobile and ask them for it but you have to have had service with them for at least 3 months. sorry.

Nov 29, 2007 | T-Mobile Sidekick® 3 Cellular Phone

42 Answers

Sidekick 3 unlock code or how to unlock

ok dis is wat u have to do (i only tested dis on cingular or at&t waveva u call it)

1.your sim needs a password
2.turn off ur sidekick 3 ur cingular card in
4.turn on sidekick 3
5.itz gunna ask you for a special code ignore it
6. go to settings den sim center
7. if ur sim lock is disabled jus enable it
8.den change ur sin pin to wateva you want
9.once u change it you will signals bars go up
10.go 2 settings network options
11. press scan scan select manually
12. select ur network
13. and datz it your sim iz workin on sidekick 3

if u turn it off u will have 2 do da same process again

soon i will put a video of dis on youtube

Nov 22, 2007 | T-Mobile Sidekick® 3 Cellular Phone

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