Phones are also horrible for constant CPU use, just like a laptop. Its not a good idea long term mining 100% because you will stress the battery and with the constant heat the battery can swell and explode. Most phones require a battery to opperate unlike a laptop where you can remove the battery and mine directly with AC power.
Yea I was thinking the same thing...
If you leave the phone on charge for a day, it will not explode or overheat, because the phone, laptop and other devices have a device charge controller that stops supplying power when the battery is charged. A constantly connected charger puts additional load on the charge controller.
But you have a one-year warranty on your phone, and perhaps you can still buy insurance for 1 year inexpensively.
This is a great mining because the warranty service will most likely recognize the phone as defective, and you will get your money back or a new phone.
Thats a good point, although you can not be 100% sure, that they won't recognize the phone was used for mining these days...