Apple has offered some clarification on the situation regarding the SIM lock on iPad with Wi-Fi + 3G units sold in Japan. It was originally reported that all iPad with Wi-Fi + 3G models sold in Japan would be SIM-locked to SoftBank. Only a few days later, according to a Mobile in Japan article, Apple CEO Steve Jobs responded to a customer email by saying that “[a]ctually, the version of iPad sold in Japan does accept international SIMs.”…