You can unlock the Sidekick LX from Jamica Network digicel using the Unlock code ,you can get the Unlock code within 0 to 5 Hours(approx) you can get the code at reasonable cost here
and Unlock it ,then you can use it with any GSM Network Sim card....Follow the instructions below and Unlock it step by step...
Sidekick LX Unlocking InstructionsWarning :
Do not enter any wrong unlock codes on your Sidekick LX mobile phones.
If you enter over a certain amount of wrong unlock codes on your
Sidekick LX mobile phone, your phone may get hard locked and sometimes
1. Switch ON your Sidekick LX with a Not ACCEPTED
2. If your Sidekick LX asks for a PIN code, then enter your SIM card PIN and press OK.
3. Sidekick LX will ask to enter an "unlock code".
4. Enter Unlock Code we send to you.
5. Your Sidekick LX is now unlocked.
: We mean, to use a Sim card from a network other than the network your Sidekick LX is locked to.