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It's been a while since I've dabbled in this stuff but I'll try and offer my two cents.
You'll need to be a bit more specific about what you did and what failed. Also whether the device is soft or hard bricked and if you're able to get into recovery mode or download mode. Need that to determine the extent of the damage
Have a look at the two pictures here. There are multiple ones for fig-lx1, you'll have to pick the one that matches the best. I just picked a random one. You're looking for a version which says fullota-mf