No, absolutely not . Viruses are written for a particular type of computer system, they cannot attack another kind. Even with Nokia Lumia phones with Windows Phone, whilst the system architecture is similar to Windows in a modern PC, viruses intended for your PC cannot infect your phone.
Read moreAre old Nokia phones secure?
As far as the safety of an old feature phone is concerned, there is none . A feature phone is an easily hackable device. Its software, the way it is right now, is primitive.
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