crwdns2936637:0crwdne2936637:0 crwdns2853008:0crwdne2853008:0 crwdns2861143:0crwdne2861143:0

The Xiaomi Redmi Note 9 is a mid-range smartphone by Xiaomi released April 2020. It has a 6.53" IPS LCD display, a 48 MP main camera, a rear-mounted fingerprint sensor, a 5020 mAh battery, and runs on a MediaTek Helio G85.

crwdns2934591:027crwdne2934591:0 crwdns2934593:0crwdne2934593:0

crwdns2933897:0crwdne2933897:0

My phone switch off itself whenever I call someone or use some apps

Redmi note 9 switch off problem

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2853045:0crwdne2853045:0 crwdns2853046:0crwdne2853046:0
crwdns2889612:0crwdne2889612:0 0
crwdns2934285:0crwdne2934285:0

crwdns2933313:01crwdne2933313:0

crwdns2934221:0crwdne2934221:0
crwdns2931211:0crwdne2931211:0 crwdns2931215:0crwdne2931215:0 crwdns2934225:0crwdne2934225:0

crwdns2933897:0crwdne2933897:0

I'm assuming you mean it powers itself off? I'm by no means an expert but that sounds like a power delivery problem. My Nexus 6P did some funny stuff like that. There are some apps out there that will show the remaining battery life. I would start there.

crwdns2934105:0crwdne2934105:0

crwdns2853045:0crwdne2853045:0 crwdns2853046:0crwdne2853046:0
crwdns2889612:0crwdne2889612:0 0
crwdns2934285:0crwdne2934285:0

crwdns2934229:0crwdne2934229:0

Zubair Sidd crwdns2934231:0crwdne2934231:0
crwdns2936625:0crwdne2936625:0:

crwdns2936751:024crwdne2936751:0 0

crwdns2936753:07crwdne2936753:0 3

crwdns2936753:030crwdne2936753:0 7

crwdns2942667:0crwdne2942667:0 23