The doro phoneeasy 505 gsm is a brilliant sim free mobile phone designed with ease of use firmly in mind it is perfect for seniors people with reduced dexterity or eyesight or anyone who just wants a simple but effective phone the doro phoneeasy boasts easy to read large buttons and a bright colour display that makes dialling and text messaging simple and stress free it features text displays of large characters to enable quick reading on the clear screen and there are also optional display