Recently my phone on5 is updated from lollipop to marsh mellow, after that I'm facing battery backup problem.. How to get old version o.s in on5 mobile.
Thank you for sharing your concern. We would like to inform you that Samsung never recommend or provide downgrading of OS after update. You can only update your device using smart switch or FOTA. e 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 community 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.
