Problem 1:

Your Name: MIKE THOMAS
Your Email Address: mthomas0527@yahoo.com
Subject: g1
Message: Is there a dual sim card holder for the G1, if so do I have to unlock my phone

Solve:
Google's G1 mobile supports dual sim card. For unlocking G1 try this link(click here).
Problem 2:

Your Name: mehran_B
Your Email Address: blue_orange_121@yahoo.cpm
Subject: i-mate k-jam master code
Message: hi
i set a password on my device but nowi forgot this.
can you help me to found my password
my imei:356384005477953

Solve:
Unlock Code - 123456. Press "Factory default" and password 1234