Yes, between 40-50 vdc but up to 120 vac when it's ringing
of course they do
yes
Phones require electricity to operate, and in many areas electricity is produced by burning oil.Also the plastic used to make phones is made from oil.
cell phones use electricity by the electrical wires outside
because they use solar energy
cell phones, the internet, and electricity every day,
it is usedin so many ways we can use it in toys clocks mobile phones
it is usedin so many ways we can use it in toys clocks mobile phones
no
electricity
All phones these come with a handful of preset wall papers that you can use for free. For additional wall papers, some carriers have free ones to download or you can buy ones for an additional fee. You can also choose to use a personal picture for your wall paper.
We don;t we have just become dependent on it
Yes, fossil fuels (coal, oil and natural gas) are used to produce the electricity to run and manufacture all kinds of phones.
No. There are still some that use brand-specific connectors