Hi
I will like to said thanks to everyone here for all the information that you share here.
My phone is not work my country GSM network operators,because ımei is not registery in my country. If I change IMEI number my old phone IMEI number
is it lock again ? and How change IMEI
I did two mount ago the rom update to 1.00.38 eng rom on my 6315 ipaq.Now my Phone is unlocked. no unlocking is required. before updating T-mobile logo appeared, Now Hp logos appear.it works normaly.(not GSM )
if I update new 1.11.10 version what happens ? is it lock again

Thanks.