Ah thankyou! That's very helpful. Will double check everything and put those files u said in the right placejust by looking i can see both SafeA9LHInstaller.3dsx and SafeA9LHInstaller.smdh are at the root of the sd card when they should be in sd:/3ds/SafeA9LHInstaller/
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my advice to you is to double check everything by following the guide here