I tried to downgrade my the firmware but TV shows update failed because SW version is lower than the TV SW version. Anyone can help? Thanks!!
Model: LG 49UB850T
Current TV SW version: 05.05.90
NUS Request
<REQUEST>
<PRODUCT_NM>webOS</PRODUCT_NM>
<MODEL_NM>HE_DTV_WT1H_AFAAABAA</MODEL_NM>
<SW_TYPE>FIRMWARE</SW_TYPE>
<MAJOR_VER>05</MAJOR_VER>
<MINOR_VER>05.90</MINOR_VER>
<COUNTRY>MY</COUNTRY>
<AUTH_FLAG>N</AUTH_FLAG>
<IGNORE_DISABLE>N</IGNORE_DISABLE>
<ECO_INFO>01</ECO_INFO>
<CONFIG_KEY>00</CONFIG_KEY>
<LANGUAGE_CODE>en-MY</LANGUAGE_CODE>
</REQUEST>
NUS Reply for HE_DTV_WT1H_AFAAABAA-0.req
<RESPONSE>
<RESULT_CD>900</RESULT_CD>
<MSG>Success</MSG>
<REQ_ID>882674538</REQ_ID>
<IMAGE_URL>http://snu.lge.com/epks/</IMAGE_URL>
<IMAGE_SIZE>662123743</IMAGE_SIZE>
<IMAGE_NAME>starfish-dvb-secured-goldfinger-23.ashley.goldfinger-2309-05.00.25-prodkey_usb_V3_SECURED.epk</IMAGE_NAME>
<UPDATE_MAJOR_VER>05</UPDATE_MAJOR_VER>
<UPDATE_MINOR_VER>5.91</UPDATE_MINOR_VER>
<FORCE_FLAG>Y</FORCE_FLAG>
<KE></KE>
<GMT>26 Jul 2020 11:34:06 GMT</GMT>
<ECO_INFO>01</ECO_INFO>
<CDN_URL>http://snu.lge.com/epks/starfish-dvb-secured-goldfinger-23.ashley.goldfinger-2309-05.00.25-prodkey_usb_V3_SECURED.epk</CDN_URL>
<CONTENTS></CONTENTS>
</RESPONSE>
Log:
26-07-20 13:34:06 Got NSU Request from 127.0.0.1
26-07-20 13:34:06 Parsing Request...
26-07-20 13:34:06 #### Request Details ####
26-07-20 13:34:06 # Product Name: webOS
26-07-20 13:34:06 # Model Name HE_DTV_WT1H_AFAAABAA
26-07-20 13:34:06 # Software Type FIRMWARE
26-07-20 13:34:06 # Version Major 05
26-07-20 13:34:06 # Version Minor 05.90
26-07-20 13:34:06 # Country MY
26-07-20 13:34:06 # Device ID
26-07-20 13:34:06 # Auth Flag N
26-07-20 13:34:06 # Ignore Disable N
26-07-20 13:34:06 # Eco Info 01
26-07-20 13:34:06 # Config Key 00
26-07-20 13:34:06 # Language Code en-MY
26-07-20 13:34:06 #### END ####
26-07-20 13:34:06 Skipping Request dump (same data already on disk)
26-07-20 13:34:06 Found @ALL_OVERRIDE, providing starfish-dvb-secured-goldfinger-23.ashley.goldfinger-2309-05.00.25-prodkey_usb_V3_SECURED.epk for HE_DTV_WT1H_AFAAABAA
26-07-20 13:34:06 Providing epk file epks/starfish-dvb-secured-goldfinger-23.ashley.goldfinger-2309-05.00.25-prodkey_usb_V3_SECURED.epk
26-07-20 13:34:06 Built Response:
26-07-20 13:34:06 <RESPONSE><RESULT_CD>900</RESULT_CD><MSG>Success</MSG><REQ_ID>882674538</REQ_ID><IMAGE_URL>http://snu.lge.com/epks/</IMAGE_URL><IMAGE_SIZE>662123743</IMAGE_SIZE><IMAGE_NAME>starfish-dvb-secured-goldfinger-23.ashley.goldfinger-2309-05.00.25-prodkey_usb_V3_SECURED.epk</IMAGE_NAME><UPDATE_MAJOR_VER>05</UPDATE_MAJOR_VER><UPDATE_MINOR_VER>5.91</UPDATE_MINOR_VER><FORCE_FLAG>Y</FORCE_FLAG><KE></KE><GMT>26 Jul 2020 11:34:06 GMT</GMT><ECO_INFO>01</ECO_INFO><CDN_URL>http://snu.lge.com/epks/starfish-dvb-secured-goldfinger-23.ashley.goldfinger-2309-05.00.25-prodkey_usb_V3_SECURED.epk</CDN_URL><CONTENTS></CONTENTS></RESPONSE>
26-07-20 13:34:06 Sending Response...