Unable to Downgrade AP Firmware

Article ID: 13739787

Question


 

Why am I unable to downgrade the firmware on the AP8132? Why am I unable to downgrade the firmware on the AP8122? Why am I unable to downgrade the firmware on the AP8232? Why am I unable to downgrade the firmware on the AP8222?

Facts


 

A new NAND chip has been qualified and will be rolled into manufacturing when the existing NAND quantities run out. To support the new NAND chip, updated SW is required. The recently released WiNG 5.5.2 adds this support. All APs manufactured with the new NAND will have WiNG 5.5.2 pre-loaded on them.

Answer


 

WiNG 5.5.2 software prevents SW downgrades on any AP's where the new NAND is detected since earlier versions of code will not function correctly with the new NAND installed.