Knox security

[lebno]

Hey guy I recently bought a second hand s21 ultra but can't use samsung pass say its rooted but when I check for root it's saying not rooted can you help me please thanks in advance

[_fahad64_]

I would suggest clean flashing the official firmware using odin or if it's too technical, take it to service center

[Samsung_specialist]

We apologize for any inconvenience caused. To address your issue, we recommend handing over the device to any authorized service center for further technical investigation and support. You can locate your nearest service center using this link:(https://www.samsung.com/ae/support/service-center/).