Question about T-Mobile Sidekick® 3 Cellular Phone

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Sidekick 3 non-stop activation screen

I bought an unlocked phone on ebay and i reset it because i was missing some settings. the activation screen appeared and after 48 hours it was still there but then i skip the activation but now my problem is everytime i close my fone or when its been a few days open. the activation screen appears again. is there something i can do to stop getting the activation screen and hopefully get all my settings back?

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Press menu and the letter L at the same time so u dont have to wait 2 days of no phone using

Posted on Aug 05, 2008

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No just leave you phone on for a max of a week if you're not paying the extra $20 a month for the stupid activation fee dont worry it will give u 2 months of free activation after the same thing happened to me

Posted on Nov 21, 2008

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You can push the top left button wen tha activation screen comes on and push customer service and tell them ur problem

Posted on Jun 29, 2008

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We bought sidekick 3 from ebay it was shipped from china but sim card wont work screen just says waiting for activation


press menu + L at the same time to bypass this screen. This will continue to come up every time you start the phone. by default, it wasn't the t-mobile sidekick data plan and always searches for it on start up

Oct 05, 2009 | T-Mobile Sidekick® 3 Cellular Phone

1 Answer

Cant get my sidekick to activate


Let me start by saying I'm not an expert, but after going through a lot of gyrations I came up with a solution that worked for me. I'm sharing it here because I haven't seen a complete concise answer anywhere.
The activation problem with Sidekick Slides is common. Most of the time, people buy a Slide without realizing that you have to purchase a "sidekick plan" from T-Mobile to get it fully activated. These phones were build especially for T-Mobile, so they're designed so that you have to have a Sidekick rate plan first to get the phone activated. By the way, this applies to a new phone as well as a phone that's been activated before, but has been 'hard reset" (where you hold the R button while re-booting.. My advice, DON'T DO THIS! Because you have to re-activate the phone.
However, there's good news for all you non-T-mobile folks who bought a Slide on eBay (or from a friend etc.) only to find it needs activation. Here's the solution. If you search eBay for "sidekick activation" you can find folks selling prepaid activation kits for around $15. They include a sim card and about $10 worth of sidekick prepaid services. Buy the kit, install the sim, and go online to register your phone (registering by phone is a pain with T-Mobile). Online you have 3 plan choices: Pay By The Day, Pay As You Go, and Sidekick. Pick Sidekick, and then provide the requested registration information. When done, your phone should be ready to go and should activate within about 5 - 10 minutes. You'll be charged $1 a day and airtime for calls, so it's not cheap, but at least the phone won't go to the activation screen when you startup.
The next question is, how to unlock the phone for other networks? IF it's not unlocked you will be prompted for special code (this is different than the user-defined password that simply locks the phone against unauthorized users). It won't work on other networks until it's truly unlocked. Again, the trusty folks at eBay can help. I searched for Sidekick Slide Unlock Codes and found numerous vendors, ranging from $6 to $12, who provide permanent unlock codes for Slides. I found on that provides the code via email (others want to mail it to you) and got my code within 30 minutes. So now I can remove the T-mobile sim and put my ATT (or other) sim in and go. I should mention that some of the Sidekick features ONLY work if you have a sidekick plan, but that's T-Mobile's and Danger's devious attempt to make us miserable. Good Luck! Hope this helps! Rick

Sep 13, 2009 | T-Mobile Sidekick ID Cellular Phone

2 Answers

Well it says its unlock !!


Menu on it's own doesn't work - it will take you to the "emergency call" screen. You need to press "menu" + "L" to bypass the activation screen.

Jul 09, 2009 | T-Mobile Sidekick® 3 Cellular Phone

1 Answer

Phone wont stop the activation screen


You can bypass the activation screen by pressing "Menu" (the key with the 3 horizontal lines) and "L" - but you will need to do this every time you turn it on.

The only permanent way of getting rid of that screen is to actually activate it - and this needs a T-Mobile SIM with the sidekick service provisioned on it, and will have the effect of locking your device ID to the account of the person who's SIM you used, which might cause problems if you ever want to use the phone on T-Mobile later.

Jul 09, 2009 | T-Mobile Sidekick® 3 Cellular Phone

1 Answer

How do you activate an unlocked Sidekick 3?


I have the same problem. But it says it could take up to 48 hours for the Welcome screen to appear. (Usually wouldn't take that long, usually it'll take about 1-3 hours)

Jun 25, 2009 | T-Mobile Sidekick® 3 Cellular Phone

1 Answer

Needs to be registered, been waiting 4 the activation screen to finish, been almost 3 days..


you have to go to and authorized t mobile retailer to register your phone or to activate it.

May 16, 2009 | T-Mobile Sidekick® 3 Cellular Phone

3 Answers

How do you unlock a sidekick 2008 ??


Hello.. I live in denmark and I just got the sidekick 2008.
I bought an Isim (ver. 2) on ebay. I payed $9.
Then I put It under my non tmobile sim card and powered it up and I could se my phonebook and other stuff from my sim. But it keept saying: emergency calls only.
Then you have to put it into a nother mobile phone to get signal. Then put it back in the SK with the Isim and then it works. Just remember to update the sim and phone with the settings from your current phone company by sms. Then it wont happen again.

It worked for me. so I hope it would help others...

Form Diana - Denmark

Nov 23, 2008 | T-Mobile Sidekick® 3 Cellular Phone

1 Answer

Sidekick slide 3.


press menu and L together .....

Aug 30, 2008 | T-Mobile Sidekick® 3 Cellular Phone

1 Answer

HELP ME PLEASE


its might still locked try this site

Aug 13, 2008 | T-Mobile Sidekick® 3 Cellular Phone

3 Answers

TMobile Sidekick Slide


FLIP THE PHONE OPEN AND PRESS AND HOLD THE MENU KEY WHILE PRESSING L ON YOUR KEYPAD THIS SHOULD BY PASS THAT SCREEN...ENJOY

Jul 09, 2008 | T-Mobile Sidekick® 3 Cellular Phone

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