OTA Update topic

I just received an S5 AT&T with ND3 base. The phone is constantly asking me to update but I'm not sure what base will be added. If I take the OTA update will I lose root and if so, will I be able to reroot the device? Or, do I just ignore any OTA updates altogether. I remember being aware of taking OTA updates on my Note II. I'm on a stock odexed factory rom with root only and xposed. Thanks!


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