jamalbasha
Beginner Level 2
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Galaxy J
i updated my mobile from 9.0 to 10 with one ui 2.0 in samsung j4 (j400f).after update it is draining battery heavy with use or not.so guys please help me .
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 is there any solution for downgrade from 10 to 9 in j4?
if possible given me a link to download the firmware.
2 Comments
SeNaTamil
Active Level 6
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Galaxy J
1.Downgrade not safe
2. Please contact samsung officials
Email or what's app
3. Samsung members >ask questions
4. Check physical damage of battery
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cs-member13
Expert Level 1
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Galaxy J

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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