Is it permissible to acquire devices – such as phones – for a symbolic sum and sell them to benefit from them in a small project to secure a livelihood after returning to the homeland?

The questioner's statement, "I don't pay anything except a symbolic amount, and then I sell it!" is unclear in its intent. Nevertheless, it is permissible for anyone who lawfully acquires something to sell it at any price agreed upon by the two parties, as there is no forbidden limit to profit, and the matter depends on mutual consent. If the symbolic price is conditioned upon a specific stipulation or for a defined characteristic, then this condition must be met by the buyer, as the Prophet, peace and blessings be upon him, said: "Muslims are bound by their conditions."