You cannot change a phone's frequency.
A phone does not change the electricity. They operate on DC power and use frequencies for communication tones
Each cell is surrounded by six other cells, so a total of 7 cells. that gives us 840/7=120 frequencies
It really depends on the cell phone company you have some don't let you change and some do. I would advise you to contact your local cell phone company.
Do edit, then retype the number.
No. It might damage the phone, though.
screen change
Mobile Phones
Cell phone network extenders can be a wonderful way to improve your cell phone service. They are easy to install and are an affordable option if you do not wish to change your service provider.
No, because the cell phone networks work on different frequencies, there is no way to get a cell phone bought in Japan to work here. If it was manufactured in Japan, but intended for sale in the United States then it would work, but not if it was intended for sale in Japan.
No, you typically need cell service or a Wi-Fi connection to change your voicemail greeting on a cell phone.
no
Yes.