I have bought a new P4 from Apple store on 4/25/16 just before the store closing. The next day I powered on the P4 and to my surprise ALL the firmware and software were up to date...no updating necessary (that is a first). Started to calibrate the IMU on a perfect leveled surface non metallic and after that went outside far away from any metals/interference and calibrated the Compass. When checked both the IMU and Compass values were VERY low barely any green lines. I have re-re-re calibrated the IMU and Compass and still the same results. Have compared my brand new P4 against 2 other P4 drones of my friends and their IMU and Compass values were high with solid green lines. Well...the next day on 4/26/16 I went to Apple store and exchanged the P4 for another P4, sealed box...and more problems started. - after downloading the up to date firmware and software as instructed in the GO app, I power cycled all and restarted the RC, iPad, drone, checked for connection and camera view (all OK) , finished calibration and THE ORIGINAL RC DOES NOT POWER ON THE MOTORS !!! - to check if the motors or something else is bad in the P4, drone, I have paired one by one the RC from my P3P and Inspire Pro drones to P4 and both non original RC worked perfect !!! Also I have paired the original P4 RC to the P3P and Inspire Pro drones and the problem followed, the original P4 RC id not starting the motors with props, without props, inside, outside, in any mode. So, looks like this is the second P4 that is bummed and not working as it should. So DJI, what is my option now? Re-replace the P4 completely? Was/is anybody from DJI checking the products before being shipped to customers? I can send proof of purchase to DJI if needed but I am frustrated with DJI lack of quality and trouble I have to go through.