Unlocking the Palm Centro

You can get the unlock code for Palm Centro from your network provider or from online providers like Mobile-Unlocker.com

There can be many ways to Unlock your phone. As far as i know unlocking by codes is the simple and safe way. I will suggest the website Unlock-Zone.com which is doing good service and they were recommended highly in the cell phone forums.
I used them to unlock my cell phone. contacted them and within 30 mins i had my unlock code and my phone was unlocked.
Hope this helps.

you need to master reset your mobile to use it again. There are many providers who give the master reset codes.

Welcome to FixYa
Dear User
To unlock a phone you will first need an unlock code Click here .You need to Know IMEI of your Phone and Enter it when trying to find an unlock code[Select your Model as in Left side/Click on Picture of Model you have and Follow Steps]..
FREE UNLOCK code can only waste your Valuable Time/Sometimes it[FREE UNLOCK code] may Create Damage to your Phone.....DO NOT TRY ERROR CODE MANY TIMES
Hope you got it-....
Thanks for Contacting FixYa

one month ago i get the unlock code from my palm-one-treo-270 at reliable cost... now its working fine with other network .. you can also try www.prounlocking.com

First, make sure you backup all of your data, including data in any 3rd party apps.
Sync your first Palm Centro with the Palm Desktop software to save the data.
Verify the sync settings in the Palm Desktop software to make sure when you begin syncing with the new Palm Centro, the settings for each application (contacts, calendar, memos, etc.) are one-way sync to the device, or you might end up overwriting the data in your Palm Desktop software with what's on the new Palm Centro.
When you sync your new Palm Centro with the desktop software the first time it will ask you to name the new device. If you give it the same name as the old Palm Centro, all of the data will sync to your new Palm Centro.
Search your computer for a folder with the name "Palm" in it to try and locate the name of your old Palm Centro, so you can name the new Palm Centro the same. When you locate that folder on your computer, it would be a good idea to simply make a copy of that folder as a total backup.

Contact the carrier that the phone was purchased from. They will need the IMEI to provide you with the correct unlock code.

Every operator has its parametre for recieving data or GPRS and 3G (UMTS).Your phone is configured for airtel but if you want to use others their parameters must be entered separately and set as defaul correct one when changing SIM. To find parameters wisit other operators pages, there may be special numbers where you can call and recieve data messages containing parameters and simply save or find instructions how to manually enter them. Also you must activate WAP/GPRS function in every opearator and it winn need aditional charge.

Most of the free codes does not work properly. If you put wrong codes many times, your mobile get hard locked and you cannot use the code..
So better you purchase the code from Onlinegsmunlock.com .This will help you to unlock your mobile easily.

If you are looking for SIM Unlock for the Palm Centro,

Goto Palm Centro Unlock Code
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Check out www.globalunlock.com. Where we make it possible to use your phone on any GSM network.