Error. Cannot read firmware version, hence upgrade not possible. When return to the software ubuntu

Error occurs when try return to the software ubuntu by lan and wirreless on :

NanoStation M5 and NanoStation Loco M5

ePMP Elevate NSM5-XM-V2

ePMP Elevate NSlocoM5-XM-V2

try on ePMP Elevate 

ePMP Elevate Software Release 4.3.2 / 25-Apr-19
ePMP Elevate Software Release 4.4.3 /03-Dec-19
Beta ePMP System Software Release 4.5-RC69 / 13-March-20


The following article should help:



i have the same problem, tfpt procedure dont work....

Initializing Upgradeerror