So quick question

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http://forum.xda-developers.com – I have had several phones and rooted and everything several times before . But this is the first tiime with a unlocked phone . The phone is at&t I had it unlocked for Bell service . If I unlock bootloader and root will I lose my gsm unlock? Thx in advance Sent from my HTC PH39100 using Tapatalk 2 (HowTos)