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Active Level 3
I am using an S10 Lite and facing terrible battery drain after One UI 2.5 and the October Security Patch hasn't solved the issue. I have hard reset the phone after the update so clearly this isn't because of any apps and have dark mode enabled with only airplane mode and wifi on.  I would like to roll back to One UI 2.1, is it possible ? Will it be possible through ODIN ? I also know tech stuff (coder) but wondering Samsung has disabled it in the recent years.
9 Comments
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Active Level 7
yes you can downgrade to one UI 2..1 with August security
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using ODIN ? Will the current security patch allow me to downgrade?
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yes
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please the explain the process and have you downgraded the firmware in 2020 ? As I see some people have had problems turning on the device after reflashing
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Active Level 4
how can we roll back to 2.1?
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Beginner Level 2
I am also facing battery drain issues after UI 2.5 Update..
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Dear Samsung Member,

Greetings from Samsung Customer Support!


To resolve your device battery drain issue please visit this link: https://www.samsung.com/in/support/mobile-devices/samsung-mobile-battery-drain-issue/


For further assistance, register your concern in Samsung Members Application (Open Samsung Members Application > Get help > Send Feedback > Error report/Ask questions).


Thank you for writing to Samsung.

 

Warm Regards,
Samsung Customer Support

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Active Level 1
What's the back up after 2.5 update??
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Active Level 1
@rojon how much battery backup do u get after the 2.5 update
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