Xiaomi Related Question and Answer

Yes, it support USB OTG.

No, you cannot upgrade the RAM at Xiaomi Mipad 2.

Yes you can.

Yes. The Mi 5S Plus support OTG. You just need an OTG cable just to connect any external device.

No , Mi 5S is not expected to be waterproof.

Xiaomi Mi 5S 

It comes with 1 Year Manufacturer Warranty for Phone and 6 Months Warranty for in the Box Accessories

Heating issue is common is all the smartphones nowadays, the M iMax is not an exception to it. When played games or while using internet for too long without any pause, the place under the camera got really heated up pretty quickly. The metallic body made it really hard to hold, but after I kept it on standby for a little while, it cooled down real soon.

Yes, it supports OTG

Not yet :(

Yes i have installed Temple Run 2 along with more casual games like Subway Surfer this phone handles it very well without any frame drops

Audio on Mi5 speaker is quite decent. They are would enough so that you don't miss any call or notification.

1 year manufacturer warranty for Phone and 6 months warranty for in the box accessories

The battery support of this device is quite good. I have been using the phone day and night but still it gives more than one day service without a second charge

It must be awesome. It is powered with a huge 4050 mAh battery. It must give a very good backup.