How to assemble magnetic front service indoor P1.86 led screen? ----JYLED

The video introduces how to assemble front service led screen and how to use the machine to replace front service magnetic led module.
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[@tonimongay704]

Really curious about this - won't magnets interfere with the electronics?

[@RicoSweets210]

My bottom two rows keep glitching I found that one of the panels when unplugged also makes the entire bottom row glitch too. Not sure about the real issue since the data cables and power is fine