Can someone please guide where to get new and original battery of note 10 plus. I've used this phone for more than 4 years and it's been great. I went to Samsung service center near hafeez center and they were asking 13 thousand rupees plus they will...

I've been using s9 plus since 2019 in Pakistan and its problem is that it is not updating. every time I try to update it says your device is already updated to latest version. even its security patch is from 1st December 2018. not a single update is ...