Hi,          Latest software version on VNXe1 (3100, 3150, 3300) series is MR4 SP3 - 2.4.3.21886.  If you are running pre-MR1 code (2.0) in VNXe, You need to perform two step procedure.          [URL]  If you are running any code which is greater that 2.1.0.14097, You may directly upgrade to MR4SP3.  Here is upgrade procedure for you:  Important: Do not change the name of the file.       2.  Upload the update:       3.  Install the update: Note: If the pre-update health check fails, you need to resolve the problem before performing the installation.  Regards, Swapnil  
We are planning to upgrade VNXe firmware to latest, please someone help me with link to download the firmware and steps.
VNXe 3150 Latest Firrmware