从购买到激活SIM卡既快速又简单。我的通话、短信和流量上网都完全没问题。 

从购买到激活SIM卡既快速又简单。我的通话、短信和流量上网都完全没问题。 

The process from purchase to activate the SIM card was quick and easy. I have absolutely no problem with the cellular connections for voice and data.

The process from purchase to activate the SIM card was quick and easy. I have absolutely no problem with the cellular connections for voice and data.