Why is cell standby is killing my battery on my Samsung Galaxy S7 Edge?

I have an s7 edge and battery was brilliant lasting a couple of days before I needed to charge it. But now it lasts less then a full day. Cell standby is using 50% of the battery. Only recent change was an update was installed. How do I stop this killing my battery

Check if you have apps still opened. These apps must be part of the reason your battery is draining faster than usual. Also, if you believe the latest update has something to do with it, you should contact Samsung so they can get it fixed and release a new update.

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