No, Samsung Galaxy M40 does not support 5G. 5G is pretty new technology in the market, and very few mobiles support 5G.
You can check the specs of Samsung Galaxy M40 here: Samsung Galaxy M40
You can explore to buy the Samsung Galaxy M40 on EMI without a credit card as well. Paysense is one such portal which allows you to do so. Let us see the steps:
You don't need to enable VoLTE. Insert the Jio (VoLTE enabled) in any slot. By default, VoLTE will be active. If it is not, you can change the network preferences from Network option in settings.
Alternatively, you can follow a much easier way:
Samsung Galaxy M40 will possibly get security patch upgrades, performance upgrades, and Android pie upgrade as well. You can easily upgrade your phone with OTA Updates.
You simply need to:
Make sure you have at least 40 % battery, to prevent your phone from bricking.
For unofficial upgrades, you need to:
XDA Developers is really a helpful site for the process, support, and Custom ROMs.
You can check the specs here: Samsung Galaxy M40
Service Center: Samsung Service
Transfer files from your phone to another device.
You can also check below video to share big files between two Android devices:
This is a feature which is there in all the iPhones. Yes, it looks cool when the LED light blinks whenever there is a notification. Let us see how android users can use the same on their phones.
Well, sometimes you watch some movie and you want its tune as your ringtone. Happens right? It happened with me last when I watched Sherlock. Remember that violin tune.? Yes, so I got the tone and copied it to my phone by simply mailing and downloading it to the email ID configured on my phone.