Aye, it was after a restart, but I've just done another for good measure,
Put the hotfix for JB and KUAL and used ;log mrpi
Result was:
**** **** **** ****
[2020-03-08 @ 21:03:59 -0001] :: [MRPI r16914] - Beginning the processing of package 'Update_jailbreak_hotfix_1.16.N_install.bin' (jailbreak hotfix 1.16.N I) . . .
Failed to parse package 'Update_jailbreak_hotfix_1.16.N_install.bin' (jailbreak hotfix 1.16.N I) [return code: 127], skipping . . .
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KindleTool output:
/mnt/us/extensions/MRInstaller/bin/PW2/kindletool: error while loading shared libraries: /mnt/us/extensions/MRInstaller/bin/PW2/kindletool: failed to map segment from shared object
**** **** **** ****
[2020-03-08 @ 21:04:01 -0001] :: [MRPI r16914] - Beginning the processing of package 'Update_KUALBooklet_hotfix_f54e864_install.bin' (KUALBooklet hotfix f54e864 I) . . .
Failed to parse package 'Update_KUALBooklet_hotfix_f54e864_install.bin' (KUALBooklet hotfix f54e864 I) [return code: 127], skipping . . .
KindleTool output:
/mnt/us/extensions/MRInstaller/bin/PW2/kindletool: error while loading shared libraries: /mnt/us/extensions/MRInstaller/bin/PW2/kindletool: failed to map segment from shared object
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I don't s'pose there is a way to manually put the screensavers hack on without going through KUAL etc? The device was originally jalbroken afterall?