None ! ALL mobile phones need a battery to work ! So far - no-one has invented a solar-powered mobile phone.
nokia mobile phones
from the battery
Mobile phones in China are available from China Mobile. They have a whole range of mobile phones as you would expect. The latest models are available at good prices
Alcatel mobile has many models of mobile phones. Some of the models include: Nokia, Samsung, Motorola, Sony Ericsson, Sony, LG Apple , Blackberry, HP, Acer, Asus, and Dell.
Here is a link to all the models of samsung mobile phones currently available http://www.gsmarena.com/samsung-phones-9.php. There appears to be many useful options.
battery
depend on models and years and brand
Bluetooth enabled mobile phones can be bought at your local mobile phone store. There are lots of different phone models that offer Bluetooth capabilities.
There are many different microcontroller models that are typically used in mobile phones. One of these examples is the ‎ARM Cortex-A57.
"Sony makes a number of different mobile phones, most of the them run the Android platform. Most of the Sony Ericcson Xperia phones are the coolest models."
because without it we wouldn't have mobile phones right now
The oldest models where as big as wireless home phones.