Mine still with POS EMS since 5 May 2017

Just to share, tested the workaround to use dual sim card + microsd card at the same time for S7 Edge and confirm it works on S8 as well.

Since it requires a mod to the memory card and sim card, as usual do at own risk of voiding warranty, melting your sim/memory card, sim card tray get stuck and cannot open etc. Think carefully before trying.

However for me, it is useful as I can ditch my second phone now.

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In my case, to remove the SIM card chip no need to use actual fire or candle or lighter or fancy heat gun, just move it near to hot oven or stove the glue would melt sufficiently already that you can pull it off with tweezers.