Mivi — I am earlier claimed my mivi duopods M20 battery backup issue but it was not solved and return back to me

I am purchase my mivi duopods M20 on 5 may 2021 but after 8-9 months I am facing problem in my duopods of right duopods battery backup.My right duopods battery backup was max. 10-15 min. And I claimed warranty for resolving the issue and parcel my duopods to mivi support on 15 April 2022 and mivi mailed me that we found and resolved your issue and delvered to me on 5 may 2022 on last date of warranty but after full charging my duopods I was checked that my issue was not solved and send back to me and Today it was out of warranty
My Token no. Is 1277356