Firmware Update and Calibration Issues with ORP

Hello,

I updated to firmware 7.28 and the WIFI firmware to 7134. After the update I ma experiencing the following issues:

The load time in GHL Connect is very slow or sometimes get disconnected.

I re calibrated the ORP, PH and Salinity probes and now the probes are giving a different measurements. Especially the ORP: prior to the update and calibration the ORP was reading around 325 and now its reading 45. Please see attached data and advise: