Cant downgrade after upgrading bootloader.(Device:M30)

[Raghav1326]

Hello everyone.

I am in trouble as I am facing battery drain,light sensor sensitivity,low camera quality in my m30,once upgraded to android pie,with binary 2.

Now I can't even downgrade to oreo version as it is available as binary 1. It would be great help  if someone give me the steps to downgrade with combination file.

Thank you. 

[Raghav1326]

I know it cant be done but I heard there are combination files which can bypass RP(rollback prevention)

[SreeShivu]

Bro the best way for this solution is Kindly visit ur nearest Samsung stores they'll help you 🤗

[Anonymous]

once upgraded to Pie, you cannot switch to Oreo. Samsung updated its Update policy for the same long back.

[Ravi0883]

You can not downgrade. Further you can visit Service Centre

[mukunth01]

please like my post also🙏🙏 https://r2.community.samsung.com/t5/Galaxy-Gallery/happy-diwali-to-all-Samsung-members-friends/td-p/...