When traveling to China, should I unlock my iPhone and get a SIM card there or get an international AT&T data plan?

Episode 876

Kevin from Beaumont, CA

When Leo went to China, he bought an international data plan from AT&T and his phone worked great everywhere. Leo doesn't recommend getting a SIM card in China. If Kevin wants to unlock the phone, he should ask Apple and AT&T. They will do it, but it's non trivial. Even though AT&T's plans may be expensive, there are a couple of reasons not to get a data plan in China: