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Continue to ChatASUS Zenfone 7 (ZS670KS)でTWRPやrootedを維持したままROMを更新 https://servercan.net/blog/2021/05/asus-zenfone-7-zs670ks%e3%81%a7twrp%e3%82%84rooted%e3%82%92%e7%b6%ad%e6%8c%81%e3%81%97%e3%81%9f%e3%81%be%e3%81%berom%e3%82%92%e6%9b%b4%e6%96%b0/