The solution provides an easy quick view of how the SIM connection circuit being mounted or assembled on PCB board. In this solution you can easily trace teh SIM connector line paths and check the the corresponding components connected to it.
Sony Xperia Arc S LT18i, 18a insert SIM card solution with jumper ways
The Sony Xperia Arc S LT18i, 18a pin connector is being assembled on another flex board. You may need to try to replace the SIM connector flex board first if it is already damaged. The SIM connector pin connection on the flex board is also shown on the solution above just in-case having problem finding the replacement for it, you can used it to track each connection line paths if trying to just mend or apply jumper to it.