EX4i DS System Software 1.43, Update -> Website claims the fix for 1.4.3 was implemented "EX4DS supports NDSi V1.4.3 firmware. 2011-06-30"
I have not tried it on DSI XL (note: I was unable to get the prior ex4i version 1.42 working on DSIxl v1.4.3)
:download: Download from source
Firmware...
EX4i DS System Software 1.42, Update -> Website claims the fix for 1.43 was implemented "EX4DS supports NDSi V1.4.3 firmware. 2011-06-30"
Icannot get it working on DSI XL
:download: Download from source
Firmware 1.42 is updated 2011 1105. Update log:
Support latest game til 5869
New...
EX4i DS System Software 1.41, Update -> does not appear to fix 1.4.2U or later
Download from source
Update log:
1. Support latest game til 5839
2. New firmware GUI and legacy GUI swtichable
EX4i DS System Software 1.40, Update -> does not fix 1.4.2U or later
Download from source
Update log:
1. Support latest game til 5812
2. New firmware GUI and legacy GUI swtichable
EX4i DS System Software 1.39, Update -> does not fix 1.4.2U
download from source
Update log:
1. Support latest game til 5803
2. New firmware GUI and legacy GUI swtichable
EX4i DS System Software 1.38, Update - does not fix 1.4.2U
download from source
Update log:
1. Support latest game til 5730
2. New firmware GUI and legacy GUI swtichable