The April 29 , 2011 release date for Japan was postponed due to the earthquake and tsunami which struck the nation on March 11 , 2011 . The iPads were delayed due to the NAND flash storage chip used in the iPads being created by Toshiba , which was affected by the earthquake and tsunami thus resulting in the suspension of operations for an indefinite period of time . The slowdown caused analysts to downgrade Apple 's stock
earthquake and tsunami
2011 Tōhoku earthquake and tsunami
IPad 2