TMTPost -- Data from an institute under the Chinese government agency showcased Apple Inc. reversed trend of slump in shipments earlier this year. Credit:Apple Apple shipped 3.75 million smartphones in China in March, representing a 12% year-over-year (YoY) increase, Bloomberg calculated based on monthly data from China Academy of Information and Communications Technology (CAICT), a scientific research institution which is subordinate to the Ministry of Industry and Information Technology. The YoY growth marked a significant improvement of iPhone sales compared with the previous months, according to CAICT monthly estimates. Apple has recorded decrease in iPhone sales for a second straight month in China. iPhone shipments in China dived nearly 39% and about 33% YoY in January and