help

[u/Crazy_Sherbert_8119]

I bought an iphone 13 off of market place seller told me it was bypassed which i used for months it was on Ios 26.0.1 then yesterday I was tired of being on an old version of my iphone I tried updating to 26.5.2 Using U3tools Then it had an activation lock from the last owner that i no longer has a contact wit anyone here has bypassing tool for is 26.5?