Question about T-Mobile Sidekick® 3 Cellular Phone

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I got a sidekick 3 from a friend i have an att sim card but the phone is locked

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  • Anonymous Mar 07, 2009

    friend gave me his t mobiel cant unlook with my att sim car need pin #



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  • 6 Answers

Your going to have to call customer service. Thats what my dad did and they unlocked his phone. (:

Posted on Mar 05, 2009

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1 Answer

I have a sidekick slide that i tryed to unlock so my at&t sim card would work in it well i watched a video off you tube and now im locked off phone and need HELP! asap so i have phone for work please...


Find which Network locked now,get the code from here
Theunlockarena.com and Unlock it,Check code for Your Network Lock,Follow the instructions below and Unlock it step by step./...Instead of watching video ,you can use the safe Unlock code method using instructions Unlock it step by step...

Sidekick SLIDE Unlocking Instructions

Warning : Do not enter any wrong unlock codes on your Sidekick SLIDE mobile phones. If you enter over a certain amount of wrong unlock codes on your Sidekick SLIDE mobile phone, your phone may get hard locked and sometimes become unusable.
1. Switch ON your Sidekick SLIDE with a Not ACCEPTED SIM Card.
2. If your Sidekick SLIDE asks for a PIN code, then enter your SIM card PIN and press OK.
3. Sidekick SLIDE will ask to enter an "unlock code".
4. Enter Unlock Code we send to you.
5. Your Sidekick SLIDE is now unlocked.

*NOT ACCEPTED : We mean, to use a Sim card from a network other than the network your Sidekick SLIDE is locked to.

Jun 18, 2011 | Cell Phones

1 Answer

I just got an unlocked sidekick lx 2009 and put in my att sim card. I can make calls but it is not reading my contacts. what do i do?


More than likely your contacts are still located in the old phone. Replace the Sim card back into the old phone and copy the contacts onto the Sim card, place back in your Sidekick and you then can locate your contacts.

Mar 11, 2011 | T-Mobile Sidekick ID Cellular Phone

1 Answer

I want to use my sidekick phone with any sim card


What network is it locked to? anyways Sidekicks is now unlock-able with IMEI or MEP unlock code,I run a mobile shop and recently unlocked 5 of these sidekicks thismonth. You can get your code online, its very easy and takes couple ofseconds to enter the unlock code and have your phone free fromrestriction. Not to mention once unlocked you can use it ATT or anyother GSM network. You can get your code from here.What country are you in? if in US I am sure its with Tmobile? if yes! you care lucky its unlockable as well

Apr 12, 2010 | T-Mobile Sidekick® 3 Cellular Phone

1 Answer

Tmobile sidekick will not activate


try pressing menu (the three bars) and L at the same time. i had an at&t sim card too and that worked.

Aug 22, 2009 | T-Mobile Sidekick® 3 Cellular Phone

1 Answer

Loading problem?


no that isnt what it should do .
Right when you turn on the phone with
your at&t sim card it should ask for an
unlock code.

Feb 28, 2009 | T-Mobile Sidekick® 3 Cellular Phone

1 Answer

Unlock Sidekick ID


I found this guide online.
Please let me know if this works!

"1) Insert the ATT 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.

Jul 13, 2008 | T-Mobile Sidekick ID 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

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
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

soon i will put a video of dis on youtube

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

10 Answers

Installing sim card in sidekick II


hello, hope these instructions help: 1. To expose the SIM card slot, peel back the bumper from the top-left edge of the device. (fig 1) 2. Insert the SIM into the slot with the gold contacts facing forward and the cut corner facing out. (fig 2) 3. When you release the SIM, make sure it is locked into position behind the catch so it will not spring out. 4. Replace the bumper and turn on the device. Any problems, let me know :) Si

Oct 03, 2007 | T-Mobile Sidekick ID Cellular Phone

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