Question about T-Mobile Sidekick® 3 Cellular Phone

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Sidekick i found a sidekick 3 but it already has a user name i want to earase that user name and put my own. the sidekick does not have a sim card so i boght one and i inserted it but it told me to register it and when i did it said it was already registerd and yes the sim card is activated

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YOu need to call T-mobile and have them remove the old user name from the imei of the phone and put your info in instead.

Posted on Mar 12, 2008

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1 Answer

My name is joseph miller, ihad traded my friend phones for a sidekick lx the brown one. i am trying to sign - in to it from my sim card but it, will not letting me sign - in when i put my sim card in.


The last SIM card inserted married the phone. You can take the phone to a local provider and they have the unlock codes to unmarry the phone from the SIM. Then you will be able to put SIM in. This doesn't happen all of the time.

Jan 26, 2011 | T-Mobile Sidekick

1 Answer

I have a motorola sidekick slide and it has a code sim 6 error, asking for my puk code. I have the code, but I don't know where or how to put it. Help!


If you enter your PIN (personalidentification number) incorrectly 3 times into your mobile phone you will berequested to: Enter PUK Code To obtain your PUK code contact you mobilephone service provider. Give them your your account name and details, once they have verified youridentity they will give you your PUK code.
If you enter your PUK (personal unlock key) incorrectly 10 times into yourmobile phone you will block your sim card Any sim card that becomes blocked willrequire replacing

Nov 17, 2010 | Motorola Mobility SIDEKICK SLIDE Cell...

2 Answers

Sidekick 3


If the sim is new , DONT wait jus siqn in forqet abt the 48 hrs.

Aug 17, 2009 | T-Mobile Sidekick® 3 Cellular Phone

1 Answer

I found a sidekick slide without a sim card


put a valid sim in it and enter 1234 or 0000 and see if it opens

May 24, 2009 | T-Mobile Sidekick ID Cellular Phone

1 Answer

Side kick lx


1.your sim needs a password 
2.turn off ur sidekick 3 
3.place 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
this will work with all sidekicks

Oct 24, 2008 | T-Mobile Sidekick

1 Answer

I have a sidekick lx


Hi there! It just has to be reset again....

Press all 3 at buttons at same time -> "one", "zero" and "at" (1- 0- @)
then hold down the "R" until it reboots (logos appear)
Now you should be able to register the phone as if it was new


Hope this helps. Good luck!
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Sep 07, 2008 | Sharp Sidekick LX Smartphone

4 Answers

How do i unlock my sidekick slide


from the keyguard lock go to emergency calls.
after that press the:

1. menu key (top left hand corner)
2. shift
3. q

Apr 21, 2008 | T-Mobile Sidekick® 3 Cellular Phone

2 Answers

Sim card not found


clean sim cart and simcart compartment.

Jan 03, 2008 | T-Mobile Sidekick II

3 Answers

Used Sidekick


Call your carrier and ask them to detach your device IMEI from the username locked in. Once that is done, hard reset without your SIM card inserted

Jan 02, 2008 | T-Mobile Sidekick ID Cellular Phone

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