Unlocking Samsung S w/ Us Cellular

Hi I am having troubles unlocking my Samsung SCH-1500. The build # is SCH-1500.EE19, Kernel #2.6.32.9, Firmware 2.2.1. . I did a update to the software from Samsung now my imei number is not showing. I paif unlockit.com to do the service for me. before i did the upgrade to the software and they could not unlock it. Does anyone have any pointers or a link to shoot me to get me the right dsoftware and unlock this phone. Thanks

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What version did you try to update to?

it was with the update too 2.2.1 and build EE19

Okay i thinki figured out why it was stuck in that build. I found a new update on here for the gingerbread . It was a on a fro-yo that bricked i guess. So i am currently in the process of updating to gingerbread it is going smoothly and its almost done. So I have a LG NEXUS 4. unlocked for simple mobile. I have all my g mail and Facebook with code generated passwords when logging.... Etc. I live off my nexus 4 . I got the screen replaced it and i go to charge it , and it wont hold a charge or charge in general. There is a white antenna looking wire running from under the speaker/ USB box that has a tiny slit in the wire. That connects further down the mother board. I cannot see anything else that would make it no charge. and The screen cracked during a fall and i cant use it so i spent 150 on the assembly. I'm taped out i have the Us Cellular Samsung galaxy s mesmerize. different bands i would like to unlock it though and sell it. The download is almost finished. So that takes me to a Pan tech Link with at$T...perfect to get me buy until i can figure out my nexus. I entered my simple mobile sim into the phone and it said sim locked but gives a unlock option.. That says im about to unlock the phone i have 10 tried or i will permanently lock/brtick the phone. THe imei number for the pan tech Link Model # P7040 is 012141003381314. I also have a cheap Samsung Solstice with AT&T. I just need a phone to get my text messages so i can get into Facebook and get a hold of my customers where there numbers are stored in my inbox. The Solstice is SGH-A887 imei # is 359657033604384. I am in dire need if sanyone can help me pkleasse perferably the pantech is the newer phone and might have wifi. If u can help me with all three amazing.