How to downgrade From oreo to nougat in J7 2016

[Sourabh]

I'm facing many issues. Battery backup is now very low.
After resetting device two time issues remains same snd now i want to downgrade if anybody knows please help me

[anujraja]

mobile data on karke browsing karne mein battary bahati jaldi drain ho raha hai.

[Sourabh]

yahan to bhai rakhe rakhe 60% se 8%

[MITHOOS]

use smartswitch app on pc

[pradeepaaroz]

like u

[BlackShark]

Lol

[admin_]

Thank you for sharing your concern. We would like to inform you that Samsung neither recommend nor provides downgrading procedure of OS in device after an update. You can only update your device using smart switch or FOTA. Regarding your concern, we would recommend taking some troubleshooting steps to further isolate what you may be experiencing.
Find troubleshooting steps on provided link http://www.samsung.com/in/support/skp/faq/1101689. Please let the us know what steps you have taken and if you have noticed any changes or improvements. This will help the Community to provide you steps without repeating any steps you may have already taken.
Be sure to hit ♡ when you find an answer that works for you. Further assistance, you can get in touch with us via Live Chat option by following- http://livechat.support.samsung.com/Customer_new/IN. You can also connect us via Samsung Members web community by following mentioned url-https://community.samsungmembers.com/en_IN#/