There are numerous benefits of selling your phone sooner rather than later that are illustrated below:

Value Drops: One of the great benefits of selling your smart phones sooner rather than later is that old model do not retain their value, so when you decide to upgrade to a new model you have to sell your old phone for a decent amount of cash.

Condition: Condition is everything when it comes to fetching a sensible price for your used phone. Smart phones are easily broken devices, even a small damage effect on its price. Even small dings to the case or slight scuffs are slowly reducing its value. Trusted Cell Phone Buyer companies are using various techniques to check the hardware and software condition of your cell phone. Managing a phone condition is quite difficult especially in a family having kids. So, it would be an ideal decision to sell your phone on time before any damage occurs.

Release Date: The most important thing to consider in mind is release dates for upgrading your current phone.  With the arrival of new phone, price drops of its previous model. You should have enough updates regarding your cell phone to keep a fair portion of your resale value on time.